This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.
Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.
Internal modems for computers connect your desktop or laptop to the internet, often via a phone line or cellular network. Ensuring you select a reliable and compatible modem is crucial for stable connectivity and optimal performance, whether for work, browsing, or communication.
OS is compatible with Server 2012, Server 2011, Windows 8 64 bit, Win 8, Windows 7 64 bit, Win 7, Server 2008 64 bit, Server 2008, Vista 64 bit, Vista, Server 2003 64 bit, Server 2003, XP 64 bit, XP, NT 4.0, 2000, ME, 98, 95, 3.1, Linux and DOS
Operating Temperature conditions are 0 to 50 degrees C, Non-Operating Temperature conditions is -20 to 70 degrees C
REMOTE MANAGEMENT: Avocent ACS 8000 32-Port Advanced Terminal Management Serial Console Server with Analog Modem and Dual AC Power Supply allows users to access and troubleshoot remote locations using automatic network failover to cellular (and failback)
AUTOMATED PROVISIONING: Offers fast, automated configuration with zero touch provisioning; compliant with data center access and security policies; powerful Dual-core ARM processor and 16GB of flash memory to support automation scripting
8 USB 2.0 PORTS: Support external devices, IoT products and IT equipment; Features digital input / output & sensor ports
POWER DEVICE MANAGEMENT: Dual 1 gigabit Ethernet port for network connectivity and failover and secure in band management for daily networking management; Expanded support for Rack PDUs from Vertiv, ServerTech, APC, Raritan and Eaton along with Vertiv...
ENVIRONMENTAL SENSOR PORT: To connect temperature, humidity, differential pressure, leak, door pin sensors
Controller-based modem integrates powerful communications processing functions into the modem itself, for assured performance without sapping processing power.
Windows Server 2012 R2/Win 10 /Win 10 64 bit/Server 2012/Win 8/Server 2011/Win 7/Server 2008/Vista/Server 2003/XP/2000 Mac 10.4-10.12
Linux 2.4.20 kernel or higher (Unimodem TSP/TAPI compliant)
Intel Pentium III 600 MHz or equivalent, 128 MB RAM, 5 MB hard drive space
Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Coverage up to 2,500 sq. ft. and 30 concurrent devices with dual-band WiFi 6 (AX6000) speed (up to 6Gbps)
NETGEAR routers come with security measures built in, including automatic firmware updates. Our Advanced Router Protection enables enhanced safety features and updates designed to help protect you and your family
4 X 1 Gig Ethernet ports and 1 x 2.5 Multi-gig LAN or internet port (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players, storage drive, and other wired devices.
Replaces your cable modem and WiFi router
DOCSIS 3.1 and 32x8 channel bonding
NETGEAR Armor provides a powerful suite of tools to help keep you safe online, including enhanced protection against hackers, malware and identity theft, at home or on the go. Includes 30-day trial
Easily set up and manage your WiFi with the Nighthawk app
Mid/high-split DOCSIS 3.1 cable modem delivers up to 2.5Gbps of download speeds and 1Gbps of upload speeds, works with your existing WiFi Router (separate unit)
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 (separate existing product) to this CM3000 cable modem
Be ready for future Internet speeds with much higher performance levels
Connect for multi-gig Internet speed by plugging your router’s multi-gig Internet port directly into the modem’s 2.5Gig port. Or connect the two Gigabit ports to a router with link aggregation for up to 2Gbps
⚠️ COAXIAL CABLE INTERNET ONLY - NOT FIBER: This modem works ONLY with Internet delivered through coaxial cable (the round cable with screw-on connector). Even if you have Xfinity, Spectrum, or Cox service, verify you have their CABLE internet...
⚠️ 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...
🔧 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.
💰POTENTIAL RENTAL FEE SAVINGS - While some providers have reduced or eliminated modem rental fees, this modem can still provide cost savings and performance benefits. Check with your provider about current rental fees before purchasing.
DOCSIS 3.1 TECHNOLOGY - Supports cable internet speeds UP TO 1 Gbps with advanced DOCSIS 3.1 performance. Perfect for streaming, gaming, and multiple devices when paired with your WiFi router.
✅ COMPATIBILITY CHECKLIST: Before buying, confirm: (1) You have cable internet (not fiber/DSL), (2) Your plan is > 1 Gbps, (3) You own or will buy a separate WiFi router, (4) Your ISP supports customer-owned modems.
ℹ️ SIMPLE 4-STEP SETUP - After ISP approval: 1) Connect coax cable 2) Plug in power 3) Connect Ethernet to your WiFi router 4) Call ISP for activation. Professional support available Monday-Friday.
TRUSTED BRAND + SUPPORT: 30+ years of networking expertise with technical support 7 days per week, warranty coverage, and easy product registration.
Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Froniter or other Fiber Optic, DSL or Satellite internet service providers.
Does NOT include Wi-Fi and Does NOT support cable digital voice service.
The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It is approved for cable internet speed plans up to 1 Gbps. Check your cable ISP website to confirm compatibility.
32 downstream x 8 upstream DOCSIS 3.0 bonded channels, or 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels.
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 950Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any...
Supports internet service plans up to 1Gbps maximum
Easy and quick setup to connect any WiFi router (separate unit) to this modem's Ethernet port to support all your wireless devices
1 Gigabit Ethernet port connects to your computer or separate WiFI router (separate units)
Approved for Cox and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Froniter or other Fiber Optic, DSL or Satellite internet service providers.
Does NOT include Wi-Fi and Does NOT support cable digital voice service.
The SB6190 is a DOCSIS 3.0 cable modem capable of bonding up to 32 downstream and 8 upstream channels. It's best for internet speed plans up to 800 Mbps. Plus, when you purchase your modem, not only are you powering your home network with the latest...
32 downstream x 8 upstream DOCSIS 3.0 bonded channels
1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
Last update on 2026-07-22 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Computer Internal Modems
Understanding Modem Technologies
Dial-up Modems: While largely outdated, these still exist for niche applications where broadband is unavailable. They use standard phone lines and are significantly slower than modern alternatives.
DSL Modems: These also utilize phone lines but offer much higher speeds than dial-up. They require a subscription to a DSL internet service.
Cable Modems: These connect to your cable TV provider's network for internet access. They generally offer faster speeds than DSL and are a common choice for home users.
Cellular Modems (3G/4G/5G): These use mobile network signals to provide internet access, often through a USB dongle or built-in module. They are ideal for portable use or in areas without wired broadband infrastructure.
Key Features to Consider
Speed and Bandwidth: Look at the modem's rated download and upload speeds. Match these to your internet service plan to avoid bottlenecks.
Compatibility: Ensure the modem is compatible with your operating system (Windows, macOS, Linux) and your chosen internet service provider.
Connectivity Ports: Check the types of ports available (e.g., Ethernet, USB) for connecting to your computer or router.
Reliability and Brand Reputation: Research brands known for producing durable and dependable networking equipment.
Installation and Setup
Most internal modems are relatively straightforward to install. This typically involves connecting the modem to the appropriate port on your computer or motherboard and then installing the necessary drivers, often provided on a CD or available for download from the manufacturer's website. For external modems, setup usually involves connecting power and then linking to your computer via USB or Ethernet.
Frequently Asked Questions
What is the difference between an internal and external modem?
An internal modem is installed directly inside your computer's case, often connecting to a motherboard slot. An external modem is a separate device that connects to your computer via a USB or Ethernet cable.
Do I need a separate modem for each computer?
Generally, yes, if you are connecting directly. However, if you use a router, a single modem can provide internet access to multiple devices connected to the router.
How do I know if a modem is compatible with my internet provider?
Your internet service provider (ISP) will usually have a list of approved or recommended modems. It's best to check their website or contact their support before purchasing.
What are the speed limitations of different modem types?
Dial-up is the slowest, measured in kilobits per second (Kbps). DSL and Cable offer megabits per second (Mbps), with cable typically faster. Cellular speeds vary widely depending on the generation (3G, 4G, 5G) and network conditions.
Are dial-up modems still relevant?
Dial-up modems are mostly obsolete due to their extremely slow speeds. They are only relevant in very remote areas where no other internet options are available.
As an Amazon Associate, we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change.
We use cookies to enhance your experience. By continuing to visit this site you agree to our use of cookies. Read our Privacy Policy
Before You Go!
Get the latest deals and product comparisons delivered to your inbox.
