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
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 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 a solid pick with broad community endorsement in the networking category, priced around $299.99, rated 4.4★ across 410 verified Amazon reviews. A solid choice — worth comparing against one or two close alternatives first.
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 classifies NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000)… as a solid pick with broad community endorsement in the networking category, based on 410 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. NETGEAR's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Be ready for future Internet speeds with much higher performance levels
- ✓ Backed by NETGEAR's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
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 | 1.0 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 |
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 available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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