NETGEAR
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000)
Bottom line: The NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem: 2.5Gbps download and 1Gbps upload over DOCSIS 3.1 mid/high-split; main trade-off: modem only, no built-in WiFi router included.
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Pros & Cons
Pros
- ✓ 2.5Gbps download and 1Gbps upload over DOCSIS 3.1 mid/high-split
- ✓ Unlocks Xfinity 2Gbps plans that require mid/high-split hardware
- ✓ 2.5Gig Ethernet port plus dual Gigabit ports with link aggregation
- ✓ Provider-agnostic: works with Xfinity, Spectrum, Cox and more
Cons
- ✗ Modem only, no built-in WiFi router included
- ✗ US-only, unusable on international cable networks
- ✗ Overkill unless your plan exceeds gigabit speeds
- ✗ Needs a WiFi 6E/7 or link-aggregation router to reach 2Gbps+
Manufacturer description
Upgrade to faster speeds with the revolutionary DOCSIS® 3.1 mid/high-split cable modem from NETGEAR. The Nighthawk® CM3000 cable modem is specifically engineered to handle today’s fastest DOCSIS 3.1 cable internet speeds that can only be accessed with mid/high-split technology, such as Xfinity’s 2Gbps Internet download speeds and 200Mbps upload speeds. Your entire family can enjoy faster download speeds up to 2.5Gbps and unprecedented upload speeds up to 1Gbps for lag-free gaming, crisp video conferencing, smoother music and video streaming, and instant app downloads. And to push your…
SpecPicks Verdict
SpecPicks scored NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem using a rating × review-volume × price-fit model applied to published specs and reviews across the networking category. NETGEAR's networking lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for networking of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 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
- Be ready for future Internet speeds with much higher performance levels
Full Specifications
| Brand | NETGEAR |
|---|---|
| Color | Black |
| Modem Type | Cable |
| Unit Count | 1 Count |
| Connectivity | WiFi |
| Model Number | CM3000-100NAS |
| Built-In Media | Nighthawk High-Split 2.5Gbps Internet Speed Cable Modem (CM3000), One (1) Ethernet cable, Power adapter, Quick install guide |
| Mfr Part Number | CM3000-100NAS |
| Number of Ports | 2 |
| Compatible Devices | Router |
| Data Transfer Rate | 1000 megabits_per_second |
| Warranty Description | 1 Year Limited |
| Connectivity Technology | Ethernet |
| Number of Ethernet Ports | 2 |
| Internet Service Provider | spectrum, optimum, cox, xfinity, and more |
| Internet service provider | spectrum, optimum, cox, xfinity, and more |
| Item Dimensions L x W x H | 6.8"L x 3.7"W x 8.2"H |
| Maximum Upstream Data Transfer Rate | 200 megabits_per_second |
| Maximum Downstream Data Transfer Rate | 1 gigabits_per_second |
| Full listing title | 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 |
Ready to buy?
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 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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