NETGEAR - Nighthawk DOCSIS 3.1 Cable Modem - Black
Key Accessories:
More options from Best Buy and Marketplace sellers
Related Item
Highlights
- Key Specs
- Internet Service Provider (ISP) Compatibility: Cox Communications, XFINITY from Comcast, Spectrum (The internet service provider(s) that the device is able to work with and/or connect to with minimal setup.)
- Downstream Data Speed: 1000.0 megabits per second (The maximum speed at which data is downloaded from the internet.)
- Upstream Data Speed: 240.0 megabits per second (The maximum speed at which data can be transferred from the client to the server, or the upload speed.)
- Channel Bonding: 32 x 8 (The process of combining adjacent channels within a given frequency band to deliver faster broadband speeds. Channel bonding combinations are indicated as "downstream x upstream" e.g. 16x4 (16 channels dedicated for downloading data and 4 channels for uploading). The more channels, the more network traffic the device can support.)
- Number of LAN Ports: 1 (Number of devices able to be connected to the Local Area Network (LAN). LAN ports allow wired connections to other networking devices (wireless access points, range extenders, etc.) in order to share the internet connection received through a WAN port.)
- USB Ports: None (The number and type of USB ports the product has.)
- General
- Brand: NETGEAR
- Model Number: CM1000-100NAS
- Product Name: Nighthawk DOCSIS 3.1 Cable Modem
- Color: Black
- Network
- Quality Of Service (QoS) Traffic Prioritization: true (Allows a user to manage a device's network performance by configuring the types of traffic that receive top priority for transmission. High priority functions and applications receive maximum network performance, while low priority traffic receives minimum performance.)
- Certifications Listings & Approvals
- DOCSIS Compliant: true
- ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
- Features
- Auto Connect: true
- Speed
- Gigabit Ethernet Speed: true (Supports the gigabit Ethernet networking standard, which has a data rate of at least one gigabit per second, or 1,000 Mbps.)
- Compatibility
- System Requirements: Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS or other operating systems running a TCP/IP network; Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher (The software that a product must have for it to be able to integrate with another product.)
- Voice Assistant Built-in: No (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- Dimensions
- Product Height: 5.4 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Length: 5.9 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Product Width: 8.8 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Weight: 0.84 pounds (The out of box weight of the item.)
- Warranty
- Warranty - Parts: 1 year
- Warranty - Labor: 1 year
- Other
- Modem Type: High speed
- UPC: 606449111071
The CM1000 Ultra-High Speed Cable Modem, with speeds up to 1Gbps and DOCSIS 3.1 is 10X faster than DOCSIS 3.0 devices. It's backward compatible with DOCSIS 3.0 and ready for future service plan upgrades for XFINITY from Comcast, Cox, and Spectrum. A Gigabit Ethernet port provides faster access and downloads.
- Cable Modem Only. External Router Needed: This is a cable modem. Separate wifi router required for wifi connectivity. Recommended to pair with a NETGEAR wifi router.
- Compatibility: Compatible with XFINITY from Comcast, Cox, and Spectrum. Call your Internet service provider for additional compatibility information.
- Optimize Your Internet: With an outdated modem, you may not be getting the Internet speeds you paid for. Update your equipment to get better upload and download speeds, and a better Internet experience at home.
- Works With Any Wifi Router: Connect any wifi router to this modem's Ethernet port to support all your wireless devices.
- DOCSIS 3.1: DOCSIS 3.1 allows you to support new DOCSIS 3.1 and Gigabit internet services.
- Best For Cable Provider Plans Up To 1 Gigabit Speed: 32x8 Channel Bonding and DOCSIS 3.1 technology delivers the fastest Internet to your home - even during peak Internet usage hours!
- DOCSIS 3.1 Technology: Up to 10x faster download speeds than the DOCSIS 3.0 standard. Fully backward-compatible with previous DOCSIS standards.
- Ethernet Port: 1 Gigabit Ethernet port connects to your computer or separate wifi router.
Whats Included
- CM1000 Ultra-High Speed Cable Modem - DOCSIS 3.1 (CM1000)
- Ethernet cable
- Power adapter
- Quick install guide
Q: Does this modem have any USB ports?
A: No, this modem does not have any USB ports.
Q: Why do I need this modem if I already have a WiFi router?
A: This is a cable modem, which is required to connect to your cable internet service. Your WiFi router then connects to the modem to provide WiFi access to your devices.
Q: Is this modem compatible with Xfinity?
A: Yes, this modem is compatible with XFINITY from Comcast, along with Cox and Spectrum. However, it's always best to confirm compatibility with your internet service provider directly.
Q: How much faster is DOCSIS 3.1 compared to the previous standard?
A: DOCSIS 3.1 technology is up to 10 times faster than the previous DOCSIS 3.0 standard.
Q: How does this modem optimize my internet speed?
A: If you have an outdated modem, you may not be getting the internet speeds you're paying for. This modem, with its DOCSIS 3.1 technology, provides faster upload and download speeds for a better internet experience.
Q: What is the maximum internet speed this modem supports?
A: This modem supports cable provider plans with speeds up to 1 Gigabit.
Q: Does this modem include built-in WiFi?
A: No, this is a cable modem only. You will need a separate WiFi router for WiFi connectivity.
Q: Is the Netgear CM1000 cable modem compatible with Time Warner/Spectrum?
A: I'm currently using it with TWC.
Compare similar products

The CM1000 Ultra-High Speed Cable Modem, with speeds up to 1Gbps and DOCSIS 3.1 is 10X faster than DOCSIS 3.0 devices. It's backward compatible with DOCSIS 3.0 and ready for future service plan upgrades for XFINITY from Comcast, Cox, and Spectrum. A Gigabit Ethernet port provides faster access and downloads.

Upgrade to faster speeds with the revolutionary DOCSIS 3.1 mid/high-split cable modem from NETGEAR. The Nighthawk CM2500 cable modem is specifically engineered to handle today’s faster DOCSIS 3.1 cable internet speeds that can only be accessed with mid/high-split technology, such as Xfinity’s 900Mbps Internet download speeds and 100Mbps upload speeds. Your entire family can enjoy faster download speeds up to 2Gbps (with link aggregation) and unprecedented upload speeds up to 1Gbps for lag-free gaming, crisp video conferencing, smoother music and video streaming, and instant app downloads. Connect for multi-gig speeds up to 2Gbps by connecting the two 1Gig ports to a router that supports Internet with link aggregation. And to push your Nighthawk’s performance even further, you can simply pair the CM2500 with a NETGEAR WiFi 6E or WiFi7 router or with our amazing Orbi system. The Nighthawk CM2500 works seamlessly with every major U.S. cable service provider.

The Nighthawk CM3000 multi-gigabit speed cable modem by NETGEAR supports link aggregation to deliver true multi-gigabit Internet speeds. The future-proof cable modem supports fast Internet speeds. This DOCSIS 3.1 cable modem is ready for any of today's service plans and future upgrades. Take a big leap forward with the next-generation Nighthawk CM3000 DOCSIS 3.1 high-speed cable modem with mid/high-split technology, specifically engineered to handle fast cable Internet speeds. With upload speeds up to 1Gbps and 2.5Gbps download speeds, your entire family can enjoy 10 times faster upload and download speeds for lag-free gaming, crisp videoconferencing, smoother music and video streaming, and instant app downloads over DOCSIS 3.0.2. To push your performance even further, simply pair it with a NETGEAR Wi-Fi 7 router or Orbi system (sold separately). The Nighthawk CM3000 works seamlessly with most major US cable service providers, easily supporting 2Gbps home Internet speeds and even up to 200 Mbps upload speeds delivered by Xfinity.

The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is capable of delivering true Gigabit speeds. It's approved for use with Cox, Spectrum, Xfinity and others supporting cable internet speed plans up to 1 Gbps. Upgrading your home network starts with your modem.
| Pros for NETGEAR - Nighthawk DOCSIS 3.1 Cable Modem - Black | |||
|---|---|---|---|
| Speed, Ease of use, Setup, Performance, Compatibility | Overall Performance, Speed, Connectivity | Overall Performance, Speed, Setup, Connectivity, Ease of Use | Speed, Overall Performance, Ease of use, Setup, Connectivity |
| Cons for NETGEAR - Nighthawk DOCSIS 3.1 Cable Modem - Black | |||
| Lag, Heat, Ethernet Ports, Signal Strength | There were no cons for this product— | There were no cons for this product— | Heat, Lag |
Specs
Reviews
Rating 4.7 out of 5 stars with 4289 reviews
- Speed (1643)
- Performance (834)
- Ease of use (767)
- Setup (215)
- Compatibility (115)
- Lag (25)
- Ethernet Ports (22)
- Heat (19)
- Signal Strength (17)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.












































































