Nighthawk Mid/high-Split Multi-Gig 2.5Gbps Cable Modem (Certified Refurbished)
Nighthawk Mid/high-Split Multi-Gig 2.5Gbps Cable Modem (Certified Refurbished)
- Certified Refurbished. Works with US Cable Internet Providers Xfinity ® from Comcast, Spectrum ® , Cox ® & more (not compatible with Cable bundled voice services or fiber Internet services)
- Wireless router is not included. For WiFi connectivity, pair this modem with any Mesh WiFi System or WiFi router.
- For more ISP compatibility information: Which ISPs are compatible with my NETGEAR cable modem?
- For more information on modems: What's a modem?
- Specifically engineered for today's fastest cable internet speeds, this mid/high-split DOCSIS® 3.1 cable modem delivers up to 2.5Gbps of download speeds and up to 1Gbps of upload speeds‡.
- Access the latest internet speeds plans with this modem, such as Xfinity's 2Gbps download speeds and 200Mbps upload speeds. Not compatible with Xfinity Voice plans.
- Faster download speeds1 powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times.
- 10x faster upload speeds1 for seamless multi-family gaming, video conferencing, and uploading even the largest files - simultaneously. Plus provides easy remote access to your home security cameras and files on your NAS
- For the ultimate in performance, link NETGEAR's award-winning WiFi 6E or WiFi 7 router or Orbi system to the CM3000 cable modem.
- Stay ahead of future internet speeds with our mid/high-split DOCSIS® 3.1 cable modem for much higher performance levels††
- Save up to $300 a year in ISP rental fees by owning this high-performance modem2.
- 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.
DOCSIS 3.1 Technology with Mid/High-Split
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DOCSIS 3.1 Technology with Mid/High-Split
- Certified Refurbished. Works with US Cable Internet Providers Xfinity ® from Comcast, Spectrum ® , Cox ® & more (not compatible with Cable bundled voice services or fiber Internet services)
- Wireless router is not included. For WiFi connectivity, pair this modem with any Mesh WiFi System or WiFi router.
- For more ISP compatibility information: Which ISPs are compatible with my NETGEAR cable modem?
- For more information on modems: What's a modem?
- Specifically engineered for today's fastest cable internet speeds, this mid/high-split DOCSIS® 3.1 cable modem delivers up to 2.5Gbps of download speeds and up to 1Gbps of upload speeds‡.
- Access the latest internet speeds plans with this modem, such as Xfinity's 2Gbps download speeds and 200Mbps upload speeds. Not compatible with Xfinity Voice plans.
- Faster download speeds1 powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times.
- 10x faster upload speeds1 for seamless multi-family gaming, video conferencing, and uploading even the largest files - simultaneously. Plus provides easy remote access to your home security cameras and files on your NAS
- For the ultimate in performance, link NETGEAR's award-winning WiFi 6E or WiFi 7 router or Orbi system to the CM3000 cable modem.
- Stay ahead of future internet speeds with our mid/high-split DOCSIS® 3.1 cable modem for much higher performance levels††
- Save up to $300 a year in ISP rental fees by owning this high-performance modem2.
- 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.
DOCSIS 3.1 Technology with Mid/High-Split
Refurbished with confidence
Every NETGEAR refurbished product is functionally tested, factory reset, and backed by a 90-day warranty, so it arrives ready for a fresh start in your home.
What you can expect
Tested for functionality
Every unit goes through production-equivalent functional testing, including checks of power, ports, indicator lights, and product-appropriate connectivity.
Reset and ready
Every product is factory reset to its original settings before shipping, so it’s ready for you to set up as your own.
Backed by NETGEAR
Every refurbished product comes with a 90-day warranty for added peace of mind.
Ready for a second life
Choosing refurbished helps extend the useful life of an existing NETGEAR product while giving you reliable performance for less.
A second life for technology
Refurbishing helps keep products in use longer.
When a NETGEAR product is suitable for refurbishment, we prepare it for a second life. When it can’t be refurbished, we send it to a certified e-waste recycler, where materials such as plastics, metals, electronics, and cables are separated and responsibly recycled.
From refurbishment through end-of-life recycling, we take the product lifecycle seriously.
Frequently Asked Questions
Your refurbished product is fully functional and has been tested before it ships. It may show minor cosmetic signs of previous use, but these do not affect product performance.
Yes. Every NETGEAR refurbished product goes through production-equivalent functional testing before it ships. Testing covers key functions such as power, ports, indicator lights, and connectivity appropriate to the product.
Every refurbished product goes through production-equivalent functional testing before it ships. Depending on the product, testing includes checks of power, ports and physical connections, indicator lights, and product-appropriate connectivity.
As part of our broader reliability validation process, sampled units also undergo thermal stability testing at 40°C for more than 10 hours to help confirm stable performance under sustained thermal load.
Your refurbished product includes the accessories needed for setup and use. See What’s in the Box on this page for the specific items included with this product.
Your refurbished product will arrive in a new, secure, and stable package rather than its original retail packaging.
No. Every refurbished product is factory reset to its original settings before it ships, so it arrives ready for you to set up as your own.
Every NETGEAR refurbished product is backed by a 90-day warranty.
Yes. Refurbished products can be returned in accordance with the NETGEAR return policy. See our Return Policy for eligibility, timeframes, and instructions.
You’ll still have access to NETGEAR support resources for your refurbished product. Refurbished products are backed by a 90-day warranty.
A NETGEAR refurbished product is a previously owned or returned product that has been tested and prepared for resale. Every refurbished unit goes through production-equivalent functional testing and is factory reset before it ships.
Compatible with major cable
internet providers
CM3000 supports the fastest internet speeds today, and in the future, as internet providers increase their speeds.
Product Specifications
| Nighthawk Mid/high-Split 2.5Gbps Internet Speed Cable Modem (CM3000) | 1 |
| Ethernet cable | 1 |
| Quick install guide | 1 |
| Power adapter | 1 |
| Dimensions | 6.8 x 3.7 x 8.2 in (172 x 94 x 208 mm) |
| Weight | 1.09 lb (495 g) |
| Cable broadband Internet service | |
| NETGEAR 1-year limited warranty (valid only if purchased from a NETGEAR authorized reseller) | Extend your warranty and technical support within 90 days of product purchase (US only) Learn More |
| 90-day complimentary technical support (valid only if purchased from a NETGEAR authorized reseller) | Learn More |
Footnotes:
‡10Gbps is the maximum data transfer rate in the DOCSIS® 3.1 standard. In practice, your Internet speeds will be less, as the transfer rate through the CM3000 Gigabit Ethernet port is limited to 2.5Gbps. The internet speeds may also be reduced by the volume of network traffic or your service plan. Maximum rate is derived from DOCSIS® 3.1 specifications and actual throughput will vary depending on your internet subscription with your provider. Gigabit service plans & compatible cable modem required for Gigabit or Multi-Gig Internet speeds.
‡‡CM3000 is prepared for today and tomorrow with both mid/split and high/split technology. Mid-split technology is currently being offered by some ISPs in some regions. High/split technology may be offered by ISPs in the near future. Please check with your ISP regarding mid-split and high/split compatibility.
1Compared to DOCSIS® 3.0 and Low-Split. Maximum rate is derived from DOCSIS® 3.1 and Mid/High-Split specifications and actual throughput will vary depending on your Internet subscription with your provider.
2 Savings shown may vary by cable service providers.
* The internet speeds and actual throughput will vary depending on your internet subscription with your provider or volume of network traffic.