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Popular High Speed Modem For Comcast Xfinity on Amazon
Details on the Best High Speed Modem For Comcast Xfinity
Bestseller No. 1
ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
- Multi‑Gig speed for today & tomorrow: DOCSIS 3.1 performance supports cable internet plans up to 2 Gbps, delivering ultra‑fast streaming, gaming, and downloads.
- Save on rental fees: Own your modem and avoid monthly equipment charges—check with your cable provider for plan compatibility.
- Compact, modern design: Space‑saving footprint with discrete LED indicators for power, upstream/downstream, and online status.
- Easy setup: Connect cable, power on, and activate with your cable provider. Then connect a Wi‑Fi router to the Ethernet port for home Wi-Fi coverage.
- Modem only: This cable modem requires a separate Wi-Fi router or mesh system for home Wi-Fi network.
Bestseller No. 2
Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)
- Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
- Model CM1000 replaces your cable modem saving you up to 168/year in equipment rental fees
- Connect any WiFi router to this modem's Ethernet port to support all your wireless devices
- 1 Gigabit Ethernet port connects to your computer or separate WiFi router
- Made for use in the US only
Bestseller No. 3
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
- Model MB7621 is recommended for actual cable Internet service speeds up to 900 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
- Pairs with any WiFi router - Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in wireless router or telephone call capability.
- Cost-saving solution: Owning your own modem typically saves the average home $156 per year in monthly rental charges. (Savings are shown for Comcast Xfinity and vary by cable service provider.)
Bestseller No. 4
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
- ⚠️ CABLE INTERNET ONLY - NOT COMPATIBLE WITH: Fiber (Verizon FiOS, AT&T), DSL, Satellite, or Fixed Wireless. ONLY works with cable providers like Xfinity, Spectrum, Cox. Verify your internet type BEFORE purchase.
- 🚫 NO WiFi INCLUDED - ROUTER REQUIRED: This is a modem ONLY. You MUST buy a separate WiFi router to get wireless internet. Without a router, only ONE device can connect via Ethernet cable. This does NOT replace your current WiFi router.
- 🔌 CABLE INTERNET REQUIRED: Works EXCLUSIVELY with cable internet service (DOCSIS) from providers like Xfinity, Spectrum, or Cox. Will NOT work with fiber (Verizon FiOS, AT&T), DSL, satellite, or fixed wireless internet. Contact your ISP to confirm compatibility BEFORE purchasing.
- 🚀 MULTI-GIG PERFORMANCE: Supports internet plans up to 2.5 Gbps with 2.5 Gbps Ethernet port. Designed for plans 1 Gbps and faster from certified providers: Xfinity (up to 2.33 Gbps), Spectrum (1 Gbps), Cox (2 Gbps). Verify your plan speed and provider compatibility.
- 💡 SETUP REQUIREMENTS: You need: (1) Cable internet service, (2) Separate WiFi router with 2.5 Gbps port for full speeds, (3) ISP activation. This modem cannot create WiFi networks or connect multiple devices without additional equipment.
Bestseller No. 5
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000) – Approved for Today’s Fastest Speeds - Works with All Providers Incl. Xfinity, Spectrum, Cox - for Plans up to 2.5Gbps
- Mid/high-split DOCSIS 3.1 cable modem delivers up to 2.5Gbps of download speeds and 1Gbps of upload speeds
- Specifically engineered for today’s fastest DOCSIS 3.1 cable internet speeds that can only be accessed with mid/high-split technology, such as Xfinity’s 2Gbps download speeds and 200Mbps upload speeds. Works with all major US internet providers
- Blazing-fast download speeds powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times
- Impressive 10x faster upload speeds delivers seamless multi-family gaming, video conferencing and uploading large files—simultaneously. Plus provides easy remote access to your home security cameras and NAS files
- For the ultimate in performance, link a NETGEAR WiFi 6E or WiFi 7 router or Orbi system to the CM3000 cable modem
Newest High Speed Modem For Comcast Xfinity
New
Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) with 3-Year Warranty | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
- Includes 3-Year Warranty for Peace of Mind – Comes with a standard 1-year warranty plus a 2-year extended warranty, giving you 3 full years of total protection.
- 🚫 CABLE MODEM ONLY - NOT FOR FIBER: This is EXCLUSIVELY for cable internet (DOCSIS) from Xfinity, Spectrum, Cox. Will NOT work with fiber internet (Verizon FiOS, AT&T Fiber, Google Fiber), DSL, satellite, or 5G home internet. Verify your internet type BEFORE purchasing.
- ⚠️ NO WiFi, NO Voice, NO Router Features: This device ONLY connects to your cable line and provides ONE Ethernet port. It does NOT create WiFi networks, has NO phone/voice capabilities, and cannot connect multiple devices without a separate WiFi router
- 🚀 MULTI-GIG PERFORMANCE: Supports internet plans up to 2.5 Gbps with 2.5 Gbps Ethernet port. Designed for plans 1 Gbps and faster from certified providers: Xfinity (up to 2.33 Gbps), Spectrum (1 Gbps), Cox (2 Gbps). Verify your plan speed and provider compatibility.
- 🔧 REQUIRED FOR SETUP: (1) Cable internet service (not fiber), (2) Separate WiFi router with 2.5 Gbps port for full speeds, (3) ISP activation call. Without a router, you can connect only ONE device via the single Ethernet cable included.
New
Arris Touchstone DG3450 DOCSIS 3.1 Cable Modem Router with MoCA 2.0 - Spectrum Compatible (Renewed)
- STOP PAYING SPECTRUM'S RENTAL FEES: Own your equipment and save $14-17/month vs. cable company rentals. The Arris DG3450 pays for itself within 6 months—then it's pure savings. Compatible with Spectrum, Cox, Mediacom, WOW, RCN, CableOne, Atlantic Broadband, Breezeline, Astound, and other major cable providers.
- DOCSIS 3.1 GIGABIT SPEEDS: Future-proof technology with 2x2 OFDM channels plus 32x8 DOCSIS 3.0 bonding. Supports internet plans up to 1 Gbps—no more waiting for downloads, buffering streams, or laggy video calls. Backward compatible with DOCSIS 3.0 networks.
- BUILT-IN MOCA 2.0 NETWORKING: Use your home's existing coaxial wiring as a high-speed network backbone. Perfect for whole-home DVR connectivity, extending your network to rooms without Ethernet runs, or providing reliable backhaul for mesh Wi-Fi systems. If your cable company uses MoCA for DVR service, the DG3450 integrates seamlessly.
- DUAL-BAND WIFI + 4 GIGABIT PORTS: AC wireless on both 2.4GHz and 5GHz bands provides strong whole-home coverage. Four Gigabit Ethernet ports deliver rock-solid wired connections for gaming PCs, smart TVs, streaming devices, and home offices—get the full speed your internet plan delivers.
- PROFESSIONALLY RENEWED & READY TO USE: Fully inspected, tested, factory-reset, and verified for complete functionality. Ships with power adapter and Ethernet cable. Self-install in minutes—connect coax, power up, and activate with your cable provider.
New
CenturyLink C4000BZ Modem Router 2023 Modem Bright Speed (Renewed)
- Get ultra-fast wireless speeds for better 4K streaming, gaming or video conferencing experience. Networking Optimized Dual-Core Processor Powerful processor boosts wireless, wired and WAN-to-LAN performance Up to 3 Gbps Speed - 600+2400 Mbps with 2-stream connectivity 160MHZ Channel Support*- Doubles the speeds as offered by 80MHz channels to provide gigabit speeds for compatible mobile devices and laptops 1024-QAM - 38% increase in data rate compared to 256-QAM 802.11ac Supports all ADSL or VDSL profiles up to 17a
New
MOTOROLA MG7550 16x4 Cable Modem Plus AC1900 Dual Band Wi-Fi Gigabit Router with Power Boost, 686 Mbps DOCSIS 3.0 - Certified by Comcast, Charter Spectrum, Time Warner, Cox, More
- 16x4 686 Mbps DOCSIS 3.0 cable modem gateway with a built-in AC1600 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router, four 10/100/1000 Gigabit (GigE) Ethernet ports, and firewall. The 16x4 DOCSIS 3.0 cable modem provides nominal speeds of 686 Mbps, sixteen times faster than DOCSIS 2.0. Actual service speeds are lower, and this product is recommended for actual service speeds up to 375 Mbps. A Broadcom modem chipset provides security from Denial of Service attacks.
- Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink, WOW!, CableOne and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MG7550 has no phone jack.)
- High-speed wireless router with AC1900 WiFi and Power Boost provides Internet access for wireless n, ac, g, and b devices including smartphones, computers, tablets, game stations, Chromecast, Apple TV, Roku, HDTVs. Four Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, and other Ethernet-capable devices.
- Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, AnyBeam beamforming at both 2.5 GHz and 5.0 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
- Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design minimizes shelf space and improves cooling while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists. Phone support is provided in English and Spanish.