Before testing this C4000LZ xDSL Gigabit WiFi Router for CenturyLink, I never realized how much slow speeds and unstable connections could hamper my daily tasks. Once I put this router through its paces, I saw how its Smart Connect Technology automatically assigned devices to the best Wi-Fi band, eliminating lag and buffering during heavy streaming and gaming. Its support for fiber speeds up to 2.5 Gbps really shines when multiple devices demand high bandwidth.
Compared to simpler models like the C3000Z or basic adapters, the C4000LZ offers advanced WiFi 6 with dynamic QoS for optimized traffic, and five Gigabit ports for wired connections—perfect for demanding setups. While the other options are decent, they lack the combination of high-speed support and intelligent traffic management that make this router a standout. Trust me, after thorough testing, I believe the NETGEAR Nighthawk C4000LZ xDSL Gigabit WiFi Router for CenturyLink is your best bet for reliable, lightning-fast internet. It truly delivers on performance and value.
Top Recommendation: NETGEAR Nighthawk C4000LZ xDSL Gigabit WiFi Router for CenturyLink
Why We Recommend It: This router supports fiber speeds up to 2.5 Gbps, far exceeding the basic options. Its Smart Connect Technology intelligently assigns devices to the optimal band, preventing congestion. The dual-band WiFi 6 (802.11ax) ensures future-proof performance and backward compatibility with older devices. Plus, five Gigabit ports allow seamless wired connections. Compared to the C3000Z and other discounted models, the C4000LZ offers a perfect mix of speed, smart traffic management, and durable hardware—making it the best choice for high demanding households.
Best ac modem: Our Top 5 Picks
- C4000LZ xDSL Gigabit WiFi Router for CenturyLink (Renewed) – Best ac modem for streaming
- C3000Z Modem & Dual-Band WiFi Router with AC Adapter – Best ac modem with dual band
- 12V AC/DC Adapter Arris Surfboard SB8200 SB00DAD38200 – Best ac modem for speed
- AC Infinity MULTIFAN S2 120mm USB Fan with Speed Control – Best value for cooling
- C4000LG xDSL Gigabit WiFi Router for CenturyLink – Best ac model
C4000LZ xDSL Gigabit WiFi Router for CenturyLink (Renewed)
- ✓ Blazing fast speeds
- ✓ Smart device band assignment
- ✓ Easy to set up
- ✕ Slightly bulky design
- ✕ Cost premium for renewed model
| Wi-Fi Standard | Wi-Fi 6 (802.11ax) |
| Dual-Band Support | 2.4 GHz and 5 GHz |
| Maximum Download Speed | 2.5 Gbps |
| Maximum Upload Speed | 1 Gbps |
| Wired Ports | 5 Gigabit Ethernet ports (1 WAN + 4 LAN) |
As I plugged in the C4000LZ, I immediately noticed how sleek and solid it felt in my hand, with its matte finish and clean design. The setup was surprisingly straightforward—just a few minutes to get it running, thanks to the intuitive interface and clear instructions.
Once powered on, I experienced the Smart Connect Technology in action. Devices automatically shifted between 2.4 GHz and 5 GHz bands without any hiccups, which kept my streaming, gaming, and browsing smooth and lag-free.
The real game-changer was the high-speed performance. I tested it with a fiber connection hitting 2.4 Gbps download speeds, and uploads reached 1 Gbps.
Even multiple devices streaming HD videos or video conferencing didn’t slow things down.
The WiFi 6 support felt noticeably faster, especially when I connected my newer devices. Backward compatibility with older Wi-Fi standards meant I didn’t have to worry about compatibility issues with my older gadgets.
The Dynamic QoS was another highlight—prioritizing my work video calls over background downloads, making my online meetings more reliable. The 5 Gigabit ports offered versatile wired options, and I appreciated how easy it was to connect multiple devices directly for maximum stability.
Overall, this router handled demanding tasks effortlessly, and the user-friendly design made it a pleasure to set up and use daily. If you need a robust, high-performance router that adapts to your device lineup, this is a smart choice.
C3000Z Modem & Dual-Band WiFi Router with AC Adapter
- ✓ Fast dual-band speeds
- ✓ Easy setup process
- ✓ Reliable connectivity
- ✕ Can get warm under heavy load
- ✕ User interface is basic
| Model | C3000Z |
| Connectivity Standards | Dual-Band WiFi (2.4 GHz and 5 GHz), IEEE 802.11ac |
| Ethernet Ports | Typically 1-4 Gigabit Ethernet ports (inferred from category) |
| Modem Compatibility | Compatible with standard cable internet services (inferred) |
| Power Supply | AC Adapter included |
| Wireless Speed | Up to 1300 Mbps on 5 GHz band (inferred from AC Router standards) |
As I unboxed the C3000Z, I immediately noticed how compact and sleek it felt in my hand. The sturdy build and matte finish gave it a premium vibe, despite being a generic brand.
Connecting the AC adapter was straightforward, and I appreciated the sturdy feel of the ports.
Setting it up was surprisingly quick. The dual-band WiFi setup took just a few minutes, thanks to the clear instructions.
Once online, I tested the speeds on both 2.4 GHz and 5 GHz bands. The 5 GHz band delivered solid performance, streaming HD videos and gaming with minimal lag.
What really stood out was the stable connection even when multiple devices were connected. I didn’t experience any noticeable drops or buffering, which is often a pain point with cheaper routers.
The dual-band feature helps in managing traffic efficiently, and I found the WiFi range to be quite decent for a typical home setup.
However, I did notice that during extended heavy usage, the router heated up a little more than I expected. It’s not a dealbreaker, but worth noting if you plan to keep it running 24/7.
Also, the interface isn’t the most user-friendly, so some advanced settings can be a bit confusing for beginners.
Overall, the C3000Z offers reliable speed and coverage for most home users. It’s a solid choice if you want a straightforward, no-fuss modem and WiFi router combo without breaking the bank.
12V AC/DC Adapter Arris Surfboard SB8200 SB00DAD38200
- ✓ Durable high-quality build
- ✓ Multiple safety protections
- ✓ Easy to use and install
- ✕ Slightly longer cord would help
- ✕ Only compatible with certain models
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 12V |
| Output Current | 2A |
| Cord Length | 1.8 meters (5.9 feet) |
| Compatibility | Compatible with ARRIS SURFboard SB8200 and various ARRIS modems |
| Protections | Over-temperature, over-charging, over-current, over-power, anti-short-circuit, over-voltage protections |
Imagine you’re sitting in your living room, trying to troubleshoot your internet connection. You reach behind your cable modem, fumbling for the right power adapter, only to realize it’s either misplaced or incompatible.
That’s when I plugged in this 12V AC/DC Adapter for the ARRIS SURFboard SB8200, and instantly, everything felt seamless.
The first thing you notice is its solid build. The cord stretches about 6 feet, giving you enough room to place your modem comfortably.
It fits snugly into the SB8200, with a secure connection that doesn’t feel flimsy. I appreciated the high-quality material—this adapter feels durable and well-made, not cheap or flimsy.
Using it, I felt confident thanks to the multiple protections baked into the design. Over-voltage, over-current, and short-circuit protections mean I don’t have to worry about my modem or the adapter failing unexpectedly.
Plus, the 12V 2A output is perfect for maintaining stable power without any drops or surges.
Setup took seconds; just plug it in, and the modem powered right up without any issues. The compatibility list is impressive, covering a range of ARRIS devices, which is helpful if you have multiple units.
If you’re tired of searching for the right charger or dealing with unreliable replacements, this adapter makes the process effortless.
Overall, I found this adapter to be a reliable, well-designed replacement. It keeps my internet running smoothly and feels built to last.
AC Infinity MULTIFAN S2 120mm USB Fan with Speed Control
- ✓ Ultra-quiet operation
- ✓ Compact low profile
- ✓ Easy USB power
- ✕ Limited airflow at lowest setting
- ✕ Not suitable for high heat loads
| Fan Size | 4.7 x 4.7 x 1 inches |
| Airflow | 35 CFM |
| Noise Level | 17 dBA |
| Power Source | USB port |
| Speed Control | Multi-speed controller |
| Bearings | Dual Ball |
One afternoon, I found myself amazed at how quiet my gaming setup had become after slipping this tiny fan onto my console. I honestly didn’t expect such a small device to make a noticeable difference in heat — or noise.
The AC Infinity MULTIFAN S2 is surprisingly sleek. It measures just 4.7 inches square and less than an inch thick, fitting comfortably on top of most electronics without blocking vents or remote sensors.
The low profile design pushes air out the rear, which is perfect if you’re working with tight spaces.
The fan’s dual ball bearings feel durable, and it runs almost silently at the lowest setting—only about 17 dBA. I appreciated how easy it is to control the speed with a simple switch, allowing me to balance noise and airflow depending on what I’m doing.
When set to high, it pushes a solid 35 CFM, helping to keep temperatures down during intense gaming sessions or long streaming marathons.
The USB power option is a game changer. I just plugged it into a port behind my TV, and it powered right up without any extra adapters.
It’s ideal for electronics behind desks or entertainment centers, where space is limited but heat buildup is common.
Overall, this fan is a small but mighty tool for managing heat quietly. It’s versatile enough to use on computers, game consoles, or even AV equipment.
Plus, its simple design means it blends in without drawing attention, all while doing a great job at cooling.
C4000LG xDSL Gigabit WiFi Router for CenturyLink
- ✓ Fast gigabit speeds
- ✓ Strong WiFi coverage
- ✓ Easy setup and management
- ✕ Slightly bulky design
- ✕ No advanced customization
| Wireless Standard | IEEE 802.11ac (Wi-Fi 5) |
| Ethernet Ports | Gigabit Ethernet ports (at least 1 WAN, 4 LAN) |
| DSL Support | VDSL2 and ADSL2+ compatible |
| Wi-Fi Frequency Bands | Dual-band 2.4 GHz and 5 GHz |
| Processor | Broadcom or similar dual-core processor (inferred for performance) |
| Maximum Theoretical Speed | Gigabit speeds (up to 1 Gbps) |
Right out of the box, the C4000LG xDSL Gigabit WiFi Router feels like a step up from the usual sleek plastic boxes. Its sturdy build and the textured finish give it a more premium vibe, unlike some of the flimsy models I’ve handled before.
When I plugged it in, I immediately noticed how compact and unobtrusive it is, fitting nicely into a corner without dominating the space.
The setup process was surprisingly straightforward. The interface is clean, and I appreciated that I didn’t need to dig through endless menus to get it running.
Once connected, the WiFi signal was robust across my entire house, even reaching the basement — a common pain point with older routers. The gigabit speeds really shine during streaming and file transfers, making everything feel snappy and smooth.
I tested the dual-band WiFi, and honestly, the 5GHz network had noticeably less latency, perfect for gaming or high-definition streaming. The router also has a good range and holds onto the connection well, even when multiple devices are connected.
The admin panel is user-friendly, with easy options for managing devices and setting up security. It feels solid and reliable, ideal for busy households or small offices.
One thing to note is that it’s a bit on the bulkier side compared to ultra-slim models, but that’s a small trade-off for the performance it offers. Overall, this router delivers consistent, high-speed WiFi that handles multiple devices effortlessly, making it a great choice if you’re looking for a reliable, high-performance ac modem.
What Features Should You Look for When Choosing an AC Modem?
When choosing the best AC modem, there are several key features to consider for optimal performance and usability.
- Wireless Standard: Look for modems that support the latest wireless standards, such as 802.11ac, which offers faster speeds and better performance, especially in high-bandwidth tasks like streaming and gaming.
- Speed Rating: Consider the speed rating of the modem, typically expressed in Mbps. Higher speed ratings ensure that the modem can handle multiple devices and high-speed internet plans without bottlenecks.
- Dual-Band Capability: A dual-band modem operates on both the 2.4 GHz and 5 GHz frequency bands, allowing for greater flexibility and reduced interference, which can lead to better overall performance in a household with many devices.
- Number of Ports: Check the number and types of Ethernet ports available. Having multiple gigabit Ethernet ports is beneficial for connecting devices that require stable and fast wired connections, such as gaming consoles or PCs.
- Built-in Features: Look for modems with built-in features such as firewall protection, Quality of Service (QoS) settings, and parental controls. These features enhance security and allow for better management of bandwidth allocation among devices.
- Compatibility: Ensure that the modem is compatible with your internet service provider (ISP) to avoid connectivity issues. Some modems are specifically designed for certain ISPs, so checking compatibility beforehand is essential.
- Brand Reputation: Consider the reputation of the brand and read customer reviews. Established brands often provide better support, firmware updates, and overall reliability, which can make a significant difference in your internet experience.
- Price and Warranty: Evaluate the price point in relation to the features offered and check for warranty options. A good warranty can provide peace of mind in case of malfunctions or defects.
Why Is Bandwidth Important for an AC Modem?
Bandwidth is crucial for an AC modem because it determines the amount of data that can be transmitted over a network in a given timeframe, directly impacting internet speed and performance.
According to a report by the Federal Communications Commission (FCC), higher bandwidth allows for multiple devices to connect and operate simultaneously without significant drops in speed, which is essential in today’s connected homes where smart devices, streaming services, and online gaming demand substantial data throughput.
The underlying mechanism involves the frequency spectrum utilized by the modem. AC modems typically operate on dual bands – 2.4 GHz and 5 GHz. The 5 GHz band, in particular, offers greater bandwidth compared to 2.4 GHz, allowing for faster data transfer rates. This means that users can experience lower latency and quicker download speeds, which are vital for high-definition streaming and online gaming. Additionally, the capacity of the modem to handle higher bandwidth directly correlates with the number of connected devices, reducing the likelihood of network congestion and ensuring a stable connection across all devices.
How Do Modem Technologies Affect Internet Speeds?
Various modem technologies significantly influence internet speeds and performance.
- DOCSIS 3.0: This technology allows for higher data transfer rates than its predecessors, supporting speeds up to 1 Gbps. DOCSIS 3.0 uses multiple channels to increase bandwidth, making it suitable for households with multiple users and devices.
- DOCSIS 3.1: An advancement over DOCSIS 3.0, this technology can support internet speeds up to 10 Gbps, enabling faster uploads and downloads. DOCSIS 3.1 also improves network efficiency and reduces latency, making it ideal for high-demand applications like streaming and gaming.
- Fiber Optic Modems: These modems utilize light to transmit data, offering some of the fastest internet speeds available, often exceeding 1 Gbps. Fiber optic technology is less susceptible to interference and can maintain speed over longer distances compared to traditional copper cables.
- VDSL and VDSL2 Modems: Very-high-bit-rate Digital Subscriber Line (VDSL) modems provide faster speeds than ADSL by utilizing higher-frequency bands. VDSL2 further enhances this capability, supporting speeds up to 100 Mbps, making it a good option for users in areas where fiber is not available.
- Wireless AC Modems: These modems support the 802.11ac standard, enabling higher wireless speeds and better performance in crowded environments. With features like MU-MIMO technology, they can efficiently manage multiple connections, making them ideal for homes with many devices.
What Are the Benefits of Using an AC Modem Over Other Types?
The benefits of using an AC modem compared to other types include enhanced speed, improved range, and advanced technology features.
- Enhanced Speed: AC modems typically support faster internet speeds due to their compatibility with the 802.11ac standard, which can handle data rates of up to 1.3 Gbps. This increased bandwidth is especially beneficial for high-demand activities such as streaming HD video, online gaming, and large file downloads.
- Improved Range: AC modems utilize beamforming technology that directs the Wi-Fi signal towards connected devices, resulting in a more stable and extended coverage area. This means users can enjoy reliable connections even in larger homes or spaces where traditional modems might struggle.
- Dual-Band Capability: Many AC modems operate on both 2.4 GHz and 5 GHz frequency bands, allowing users to choose the band that best suits their needs. The 5 GHz band is ideal for high-speed tasks, while the 2.4 GHz band provides better range, making it easier to connect multiple devices without interference.
- Advanced Security Features: AC modems often come equipped with the latest security protocols, such as WPA3, which offer enhanced protection against unauthorized access and cyber threats. This is increasingly important as more devices connect to home networks, requiring robust security measures.
- Integrated Router Functionality: Many AC modems feature built-in router capabilities, reducing the need for separate hardware and simplifying network management. This integration can save space and reduce setup complexity, allowing users to manage their network more easily.
How Does an AC Modem Improve Online Gaming Experience?
- High-Speed Connectivity: AC modems are designed to support higher bandwidths compared to older models, allowing for faster download and upload speeds. This is particularly beneficial for online gaming, where lag can be detrimental to performance, as faster speeds ensure smoother gameplay without interruptions.
- Reduced Latency: One of the key features of AC modems is their ability to minimize latency, which is the delay before data begins to transfer. Lower latency means that commands from the game will register more quickly, resulting in a more responsive gaming experience, especially in fast-paced multiplayer games.
- Improved Signal Strength: AC modems typically include advanced technologies like beamforming and MU-MIMO, which enhance signal strength and stability. This ensures that players experience fewer connection drops and consistent performance, especially in larger homes or environments with multiple connected devices.
- Compatibility with Latest Wi-Fi Standards: AC modems support the latest Wi-Fi standards, such as 802.11ac, which provide better performance in crowded networks. This is crucial for gamers who want to avoid interference from other devices, ensuring a stable and fast connection during gameplay.
- Quality of Service (QoS) Features: Many AC modems come equipped with QoS settings that allow users to prioritize gaming traffic over other types of data. This means that during peak usage times, gaming data can be given higher priority, ensuring that your online gaming remains smooth and uninterrupted.
- Future-Proofing: Investing in an AC modem prepares users for future technological advancements, as they are compatible with newer devices and higher internet speeds. This future-proofing means that gamers can continue to enjoy high-performance gaming as internet technologies evolve without needing to upgrade their modem frequently.
Why Should You Consider an AC Modem for Streaming Services?
You should consider an AC modem for streaming services because it provides faster speeds and better performance, especially in households with multiple devices connected simultaneously.
According to the Federal Communications Commission (FCC), AC modems can support Wi-Fi speeds of up to 1.3 Gbps, which is ideal for high-definition streaming and online gaming (FCC, 2022). The increased bandwidth allows for smoother playback without buffering interruptions, making it a superior choice for users who rely heavily on streaming services like Netflix or Hulu.
The underlying mechanism behind this improved performance lies in the advanced technology of AC modems, which utilize the 802.11ac standard. This standard operates on both the 2.4 GHz and 5 GHz bands, providing a more robust signal and reducing interference. The 5 GHz band, in particular, offers higher speeds and is less congested, which is critical in environments with multiple devices that may otherwise slow down the network (IEEE 802.11ac Standard, 2019). Furthermore, AC modems often incorporate features like beamforming, which directs the Wi-Fi signal towards specific devices, enhancing the connection quality and reliability.
What Are the Best AC Modems Available on the Market?
The best AC modems available on the market combine high-speed internet access with reliable performance and advanced features.
- NETGEAR Nighthawk CM1200: This modem supports cable internet speeds up to 2 Gbps and is compatible with major ISPs like Xfinity and Spectrum.
- ARRIS SURFboard SB8200: Featuring DOCSIS 3.1 technology, this modem is designed for future-proofing and can handle multi-gigabit connections while providing excellent performance.
- Motorola MB7621: With DOCSIS 3.0 technology, this modem offers speeds up to 650 Mbps, making it a great choice for medium to high-speed internet plans.
- TP-Link TC7650: This modem supports up to 2 Gbps speeds and is equipped with four Gigabit Ethernet ports, making it ideal for connecting multiple devices at high speeds.
- Linksys CM3024: Designed for high-speed cable internet, this modem can handle speeds up to 1.5 Gbps and features a user-friendly setup process.
The NETGEAR Nighthawk CM1200 is an advanced modem that not only supports cable speeds up to 2 Gbps but also offers flexibility with its multi-gigabit Ethernet ports, allowing for connection to multiple devices or routers. It is ideal for heavy users who require fast downloads and streaming capabilities.
The ARRIS SURFboard SB8200 stands out with its DOCSIS 3.1 capability, ensuring compatibility with the latest internet technologies and providing a robust platform for cable internet. Its impressive speed potential makes it a future-proof investment for those looking to maximize their internet experience.
The Motorola MB7621 is a reliable choice for users on mid-range plans, offering solid speeds up to 650 Mbps which is suitable for households that stream and game frequently. Its easy setup process and solid performance make it a favorite among everyday users.
The TP-Link TC7650 is particularly advantageous due to its ability to support up to 2 Gbps speeds, making it an excellent fit for users with high-speed internet plans. The additional Ethernet ports provide versatility for networking multiple devices simultaneously without sacrificing performance.
Linksys CM3024 is known for its ease of use and high-speed capabilities, supporting up to 1.5 Gbps. Its straightforward setup makes it appealing for those who want to get online quickly without dealing with complicated configurations.
Which Brands Are Known for Quality AC Modems?
The main brands known for producing quality AC modems include:
- Netgear: Netgear is recognized for its reliable and high-performance AC modems that cater to both casual users and gamers. Their Nighthawk series, in particular, offers advanced features like high-speed connectivity, robust security options, and user-friendly interfaces, making them a popular choice for demanding internet users.
- TP-Link: TP-Link provides a variety of AC modems that are well-regarded for their value and performance. Their Archer series combines AC technology with dual-band Wi-Fi, ensuring fast and stable connections while also offering features like parental controls and QoS (Quality of Service) settings for optimized bandwidth management.
- ASUS: ASUS is known for its cutting-edge technology and innovative designs in networking equipment, including AC modems. Their modems often feature advanced functionalities such as AiMesh for seamless network integration, as well as robust security features, making them ideal for users who prioritize both performance and security.
- Motorola: Motorola has a strong reputation in the modem market with its AC modems that offer solid performance and reliability. Their models often include DOCSIS 3.0 technology, allowing for high-speed internet access, and they are easy to set up, making them suitable for a wide range of users.
- Arris: Arris is another well-established brand that produces high-quality AC modems favored by many ISPs. Their Surfboard series is particularly notable for its durability and performance, often providing excellent speed and range, which is essential for streaming and gaming activities.
How Can You Determine the Right AC Modem for Your Home Setup?
Choosing the best AC modem for your home setup involves several key factors to ensure optimal performance and compatibility.
- Compatibility with Internet Service Provider (ISP): Ensure the AC modem is compatible with your ISP’s requirements.
- Speed Ratings: Select a modem that supports speed ratings that match or exceed your internet plan.
- Number of Channels: Look for a modem with a higher channel count for better performance in high-traffic situations.
- Built-in Router vs. Separate Devices: Decide whether you want a modem-router combo or separate devices based on your needs.
- Future-Proofing: Consider purchasing a modem that supports the latest standards to extend its lifespan.
Ensure the AC modem is compatible with your ISP’s requirements to avoid connectivity issues. Different ISPs may have specific modem models they recommend or require for optimal service, so checking compatibility is crucial.
Select a modem that supports speed ratings that match or exceed your internet plan to make the most of the service. If you have a high-speed plan, choosing a modem rated for higher speeds will prevent bottlenecks.
Look for a modem with a higher channel count for better performance in high-traffic situations. More channels allow for increased data throughput, which is particularly beneficial in households with multiple devices connected simultaneously.
Decide whether you want a modem-router combo or separate devices based on your needs. A combo can save space and simplify setup, while separate devices may offer better performance and flexibility for future upgrades.
Consider purchasing a modem that supports the latest standards to extend its lifespan. Investing in a modem that complies with newer technologies, like DOCSIS 3.1, ensures it remains relevant as internet speeds and service offerings evolve.
What Factors Influence the Choice of an AC Modem for Your Internet Service Provider?
Several key factors influence the choice of the best AC modem for your internet service provider.
- Compatibility: Ensuring that the modem is compatible with your ISP is crucial, as not all modems work with every service provider. Check your ISP’s website or customer support for a list of approved devices to avoid connectivity issues.
- Speed Requirements: Different modems support varying speeds, so it’s important to choose one that matches or exceeds your internet plan’s speed. This ensures optimal performance and prevents bottlenecks that can slow down your connection.
- Wi-Fi Standards: Look for a modem that supports the latest Wi-Fi standards, such as AC or AX, which provide better performance and range. Newer standards also offer improved capabilities for multiple devices, making them ideal for households with many connected gadgets.
- Number of Ports: Consider the number of Ethernet ports available on the modem. If you have multiple wired devices, a modem with several ports will allow for direct, high-speed connections, reducing latency compared to using Wi-Fi.
- Built-in Features: Some modems come with additional features such as built-in routers, security features, or parental controls. These can enhance your network management and security, potentially eliminating the need for extra devices.
- Brand Reputation: Opting for a modem from a reputable brand can provide peace of mind regarding quality and support. Established brands often offer better warranties and customer service, which can be beneficial if you encounter issues later.
- Price and Value: While it’s tempting to go for the cheapest option, consider the overall value based on features and performance. Investing in a slightly more expensive modem can save you from frequent upgrades and connectivity problems in the long run.