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2 Year Asurion PC Peripheral Protection Plan

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  • Covers failures due to power surge and other mechanical and electrical breakdowns.
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4-Year PC Peripherals Protection Plan

from SquareTrade
$3.89
  • Coverage for product breakdowns and malfunctions
  • 24/7 customer support
  • Free shipping on all repairs with no deductibles or hidden fees
  • Fully transferable with gifts. Cancel anytime, full refund in the first 30 days
  • SquareTrade Protection Plans are only valid for new products purchased at Amazon within the last 30 days

NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast and Cox. Compatible with Gig-Speed from Xfinity (CM1000)

4.1 out of 5 stars 4,260 customer reviews

Price: $179.99 & FREE Shipping.Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
Up to 6Gbps - DOCSIS 3.1

Speak with an Amazon associate for information on whether this modem is compatible with your Internet Service Provider. Talk to a specialist

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  • Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for WiFi.
  • DOCSIS 3.1 up to 10X faster download speeds than DOCSIS 3.0. DOCSIS 3.1 is OFDM 2x2+ DOCSIS 3.0 32x8 channel bonding
  • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $120 per year;32 downstream and 8 upstream channels for DOCSIS 3.0 connection
  • Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services.
  • Compatible with Xfinity from Comcast, Cox, Mediacom Cable, and more.
8 new from $176.98 1 used from $135.99 3 refurbished from $168.29
Serial Number ScanWhat you need to know – This product has a serial number that uniquely identifies the item. When your order ships, Amazon will scan the serial number and add it to the history of the order. Should the item go missing before it arrives, Amazon may register the serial number with loss and theft databases to prevent fraudulent use or resale of the item. There is no action required from you and the serial number will only be used to prevent fraudulent activity associated with the missing item.

Frequently bought together

  • NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast and Cox. Compatible with Gig-Speed from Xfinity (CM1000)
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  • NETGEAR R6700 Nighthawk AC1750 Dual Band Smart WiFi Router, Gigabit Ethernet (R6700)
Total price: $285.10
Buy the selected items together

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Size: Up to 6Gbps - DOCSIS 3.1
  • Buy Used and Save: Buy a Used "NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max downlo..." and save 24% off the $179.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

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From the manufacturer

CM400 CM500 CM500V CM600 CM700 CM1000
Channel Bonding 8x4 16x4 16x4 24x8 32x8 32X8+ OFDM 2x2
DOCSIS 3 3 3 3 3 3.1
Comcast/Xfinity up to 200 Mbps up to 300 Mbps up to 300 Mbps up to 400 Mbps up to 400 Mbps All Tier (Ideal for Gig-Speed)
Cox Communications Permier 100 Ultimate NA Ultimate Ultimate All Tier
Spectrum 100 Mbps All Tier NA All Tier All Tier Coming soon!
Suddenlink 100 Mbps 500 Mbps NA 500 Mbps 500 Mbps-1Gbps NA
Mediacom Internet 200 Internet 200 NA Internet 500 Internet 500 All Tier
Optium/ Cablevision 100 Mbps 200 Mbps NA 200 Mbps 300-400 Mbps NA
Phone line support (Comcast Double/Triple Play) NA NA NA NA NA

Product description

Size:Up to 6Gbps - DOCSIS 3.1

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. A Gigabit Ethernet port provides faster access and downloads. Plus, there are no monthly rental fees.


Product information

Size:Up to 6Gbps - DOCSIS 3.1

Technical Details

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Technical Specification

Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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June 15, 2017
Size: Up to 6Gbps - DOCSIS 3.1|Verified Purchase
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February 13, 2017
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October 18, 2016
Size: Up to 343 Mbps - DOCSIS 3.0|Verified Purchase
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NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast and Cox. Compatible with Gig-Speed from Xfinity (CM1000)
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This item: NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast and Cox. Compatible with Gig-Speed from Xfinity (CM1000)