NETGEAR Nighthawk X4S DOCSIS 3.1 Cable Modem Router (C7800)


  • Compatible with Xfinity from Comcast and COX
  • Three-in-one Ultra-high speed DOCSIS 3.1 Cable Modem + Nighthawk X4S AC3200 WiFi Router+ 4 Gigabit Wired Switch and 2 USB 3.0 ports
  • Up to 6Gbps modem speed and Dual-Band AC3200 (2.4GHz & 5GHz) WiFi speed. 2×2 OFDM+32×8 channel bonding/ Approved for plans for > 1 GIGABIT
  • CABLELABS CERTIFIED -DOCSIS 3.1 is 10X faster than DOCSIS 3.0/ Backward support DOCSIS 3.0
  • GIGABIT READY – Ready for Internet service plans of up to 1Gbps. Not compatible with Cable bundled voice services
  • Powerful 1.5GHZ processor+ Active Antennas provide unbeatable speed and coverage for your Network

Package Content

  • Nighthawk X4S AC3200 WiFi Cable Modem Router (C7800)
  • Ethernet cable
  • Quick start guide
  • Power adapter


NETGEAR Nighthawk X4S AC3200 WiFi DOCSIS 3.1 Ultra-High Speed Cable Modem Router is the industry’s fastest cable modem router. Works with the fastest DOCSIS 3.0 and ready for new DOCSIS 3.1 gigabit Internet speeds. The NETGEAR X4S DOCSIS 3.1 Cable Modem Router offers blazing fast Internet speeds that rivals the speed of Fiber. Enjoy quality experience for streaming multiple HD-quality videos to multiple devices, VR gaming and more. Eliminate Internet service provider equipment rental fees and save up to $120 a year.

Enabling higher speeds and increased network efficiency, this two-in-one ultra-high speed DOCSIS 3.1 Cable Modem + Nighthawk WiFi Router is the future-proof modem-router combo you can upgrade to now.

  • Two-in-One-DOCSIS 3.1 Cable Modem + WiFi Router
  • Up to 1 Gbps download speed-Enjoy high-quality HD videos streaming, faster downloads, and high- speed online gaming
  • AC3200 WiFi-Up to 3.2 Gbps delivers multiple HD videos with ease
  • 2 DOCSIS 3.1 OFDM downstream channels & 2 DOCSIS 3.1 OFDM upstream channels- For fast and reliable Internet access
  • 32×8 channel bonding for all DOCSIS 3.0 speed tiers
  • 1.5GHz dual core processor-Boosts performance for streaming & gaming
  • Beamforming+-Boosts speed, reliability and range for WiFi devices
  • Works with U.S. cable Internet provider XFINITY from Comcast (not compatible with Cable bundled voice services)
  • Fast web self-activation for XFINITY customers-Get connected without a service call
  • Gigabit Ethernet port-Fastest wired speeds to connect your router or computer
  • Save money over time by owning your cable equipment and avoiding monthly rental charges from your Internet provider-up to $120 per year

Key Features

  • Fast download and upload speed-32×8 SC-QAM + 2×2 OFDM Channel Bonding enables up to 1 Gbps download speeds
  • AC3200 (1000 Mbps @2.4GHz with 1024 QAM support + 2200 Mbps @5GHz 11ac)
  • Simultaneous Dual Band WiFi-Tx/Rx 4×4 (2.4GHz) + 4×4 (5GHz)
  • 32 downstream and 8 upstream channels
  • 2 DOCSIS 3.1 OFDM downstream channels & 2 DOCSIS 3.1 OFDM upstream channels
  • Designed to meet DOCSIS 3.1 specifications and backward compatible with DOCSIS 3.0 networks
  • Four (4) Gigabit Ethernet ports with auto-sensing technology
  • Powerful dual core 1.5GHz processor
  • Memory: 128 MB NAND flash and 256 MB RAM
  • Four (4) high performance active antennas
  • Two (2) USB 3.0 ports
  • Beamforming+ for more reliable connections on 2.4 and 5GHz bands
  • IPv6 support (Internet Protocol Version 6)
  • Works with U.S. cable Internet provider XFINITY from Comcast (not compatible with Cable bundled voice services)



  • 32×8 CableLabs DOCSIS 3.1 Verified Modem

WiFi Performace:

  • Speeds: AC3200 (1000 Mbps + 2200 Mbps)
  • WiFi Band: Simultaneous Dual Band WiFi-2.4 & 5GHz


  • Number of Ethernet Ports: Four (4) Gigabit Ethernet LAN ports
  • Number of USB Ports: Two (2) USB 3.0 ports


  • Customized free URL to set up personal FTP server
  • Guest network access-separate & secure
  • WiFi Protected Access (WPA/WPA2-PSK)
  • Double firewall protection (SPI and NAT)
  • Denial-of-service (DoS) attack prevention

System Requirements

  • Cable broadband Internet service
  • Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise the modem will only work as a DOCSIS 3.0 modem
  • 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
  • Not compatible with Cable bundled voice services

Physical Specifications

  • Dimensions: 12.4 x 10.4 x 7.5 in
  • Weight: 3.15 lb


  • Two (2) USB 3.0 ports
  • IEEE 802.11 b/g/n 2.4 GHz + 1024 QAM support
  • IEEE 802.11 a/n/ac 5.0 GHz



See also:

Leave a comment