The Best netgear cm400 cable modem of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best netgear cm400 cable modem of 2023. Check our ranking below.

2,699 Reviews Scanned

SaleRank No. #1

NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS3.0, Black (CM400-100NAS)

ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year
DOCSIS 3. 0 Cable Modem with 1 Gigabit Ethernet port. One (1) Gigabit Ethernet port with auto-sensing technology
Up to 340Mbps download and upload speed. Separate router required for WiFi. 8x4 channel bonding.
DOCSIS 3. 0 unleashes 8x faster download speeds than DOCSIS 2. 0
Ideal for streaming HD videos, faster downloads, and high-speed online gaming

Rank No. #2

NETGEAR Cable Modem CM400 Compatible with Cable Providers Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS3.0, Black (CM400-100NAS) (Renewed)

input voltage：100 -240V
ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year
DOCSIS 3. 0 Cable Modem with 1 Gigabit Ethernet port. One (1) Gigabit Ethernet port with auto-sensing technology
Up to 340Mbps download and upload speed. Separate router required for WiFi. 8x4 channel bonding.
DOCSIS 3. 0 unleashes 8x faster download speeds than DOCSIS 2. 0

Rank No. #3

NETGEAR Cable Modem CM400 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS 3.0, Black, 8x4 Cable Modem (CM400)

COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
SAVE MONTHLY RENTAL FEES: Model CM400 replaces your cable modem saving you up to $168/yr in equipment rental fees.
BUILT FOR SPEED: Best for cable provider plans up to 100 Mbps speed.
WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem's ethernet port to support all your wireless devices.
ETHERNET CONNECTIONS: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.

Rank No. #4

NETGEAR CM500-100NAR DOCSIS 3.0 Cable Modem with 16x4 Max Download speeds of 680Mbps. Certified for XFINITY by Comcast, Time Warner Cable, Cox, Charter & More(Renewed)

Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are included with limited documentation and additional information online.
Eliminate monthly cable modem rental fee's ($120 or more a year).
DOCSIS 3.0 Cable Modem with 1 Gigabit Ethernet port.
Up to 680Mbps download and upload speed. Separate router required for WiFi. 16x4 channel bonding
Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if emailing customer support. See the attached (image) flyer to obtain the Serial Number and MAC Address information that maybe needed by your Cable provider before contacting them.

SaleRank No. #5

NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) for Xfinity from Comcast, Spectrum, Cox, more (Renewed)

input voltage：120 -240V
COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and Cable bundled voice services
SAVE MONTHLY RENTAL FEES: Model C7000 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees. System Requirements Cable broadband Internet service, Check your cable Internet service provider web site for data speed tier compatibility, Not compatible with Cable bundled voice services, Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, UNIX, or Linux, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed
FAST Wi Fi PERFORMANCE: Get up to 1800 sq ft wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps)

SaleRank No. #6

NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0

Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
Speeds by carrier: Spectrum (up to 400Mbps), Xfinity (up to 200Mbps), Cox (up to 150Mbps).
Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.

Rank No. #7

T POWER 12V 6.6ft Ac Adapter for NETGEAR & Motorola Arris Surfboard DOCSIS Cable Modem WiFi Router Power Supply Cord Charger

T-Power - manufactured with the highest quality materials , POWER SPECS : Input Voltage Range: AC 100V - 240V , Power: 12V 2A
Compatible Models: NETGEAR Nighthawk X4 R7500 R7000 C3000 EX6200 AC2350 AC1900 N300 FVS318 GS108 Smart Extender Router , NETGEAR CM400 CM500 CM600 CM700 DOCSIS 3.0 Cable Modem
Motorola 16x4 Cable Modem, Model MB7420 , MB7420-10 , MB7420-10-W , Motorola Surfboard SB6120 SB6121 SB6141 SB6180 SBG6580 SBG901 900 Cable Modem dta-100 DCT-700 PN# 503913-007 Model: MT-20-21120-A04F
AD898F20 PN: DSA-20P-10, 332-10011-01 , 332-10613-01 DSA-0151F-12 , Netgear DGN2200 N 300 Router, DSA-20P-10 332-10011-01 DSA-0151F-12 , NetGear 8-Port 10,100 Switch (FS108)
U.S. Robotics USR3453C Courier 56K Business Modem ; USR4000 Call Director ; USR5686G Wireless Broadband Router DSL Cable Modem , Compatible With Belkin Wireless Router N150 N300 N450 N600 N750; Netgear N150 N600 N300;

SaleRank No. #8

Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)

Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for Wi-Fi
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 $156 per year. Meets DOCSIS 3. 1 specifications and is backward compatible with DOCSIS 3. 0 networks
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 this 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
CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services

SaleRank No. #9

NETGEAR Nighthawk Multi-Gig Cable Modem (CM2000) - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox - For Cable Plans up to 2.5Gbps - DOCSIS 3.1

Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT andT, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Best for cable provider plans up to 2.5Gbps
Works with any WiFi router. Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
1 x 2.5 Gig Ethernet port for the fastest, true multi-gig Internet connections
Engineered with DOCSIS 3.1, 32X8 channel bonding and OFDM(A) 2x2

Rank No. #10

NETGEAR N450-100NAS (8x4) WiFi DOCSIS 3.0 Cable Modem Router (N450) Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More (Renewed)

ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year
Two-in One DOCSIS 3.0 Cable Modem + WiFi Router with 4 Gigabit Ethernet ports and 2 USB 2.0 ports
Up to 340Mbps modem speed and N450 (2.4GHz) WiFi speed. 8x4 channel bonding. Use with an N900 adapter like NETGEAR WNDA4100 for maximum performance
DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
Ideal for streaming HD videos, faster downloads, and high-speed online gaming

Rank No. #11

NETGEAR Cable Modem with Voice CM500V - For Xfinity by Comcast Internet & Voice | Supports Cable Plans Up to 300 Mbps | 2 Phone lines | DOCSIS 3.0 (Renewed)

COMPATIBLE WITH XFINITY INTERNET & VOICE SERVICE: Certified by Comcast for Xfinity. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and non-Xfinity voice services.
SAVE MONTHLY RENTAL FEES: Model CM500V replaces your cable modem saving you up to $168/yr in equipment rental fees.
BUILT FOR FAST SPEED: Best for cable provider plans up to 300 Mbps speed.
WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem's ethernet port to support all your wireless devices.
ETHERNET CONNECTIONS: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.

Rank No. #12

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers| For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black (Renewed)

Compatible with all major cable internet providers: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
Save monthly rental fees: Model CM1200 replaces your cable modem saving you up to dollar 168/yr in equipment rental fees.
Built for ultimate speed: best for cable provider plans up to 2 gigabits speed.
Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
Versatile connections: 4 Gigabit Ethernet ports give you fast wired connections to your computer, separate WiFi router, printer, game box, and other devices.

SaleRank No. #13

NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, For Cable Plans Up to 1 Gbps,Black

Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
Model CM1000 replaces your cable modem saving you up to $168/year in equipment rental fees
Connect any WiFi router to this modem's Ethernet port to support all your wireless devices
1 Gigabit Ethernet port connects to your computer or separate WiFi router

SaleRank No. #14

NETGEAR Nighthawk Cable Modem + WiFi 6 Router Combo with 90-day Armor Subscription (CAX30S) - Compatible with Major Cable Providers incl. Xfinity, Spectrum, Cox - AX2700 (Up to 2.7Gbps) - DOCSIS 3.1

Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. Best for cable provider plans up to 2Gbps
Coverage up to 2,500 sq. ft. and 25 concurrent devices with dual-band WiFi 6 (AX2700) speed (up to 2.7Gbps)
4 X 1 Gig Ethernet ports (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players, storage drive, and other wired devices
Sets up in minutes with the Nighthawk app – easily manage WiFi settings at the device and network level, test internet speed and monitor data usage
DOCSIS 3.1 and 32x8 channel bonding

Rank No. #15

NETGEAR Nighthawk WiFi 6Cable Modem Router CAX30 Compatible with Xfinity, Spectrum, and Cox, AX2700 (Up to 2.7Gbps) DOCSIS 3.1

Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. Best for cable provider plans up to 2Gbps
Coverage up to 2,500 sq. ft. and 25 concurrent devices with dual-band WiFi 6 (AX2700) speed (up to 2.7Gbps)
4 X 1 Gig Ethernet ports (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players, storage drive, and other wired devices
Sets up easily with the Nighthawk app – easily manage WiFi settings at the device and network level, test internet speed and monitor data usage
DOCSIS 3.1 and 32x8 channel bonding

Rank No. #16

T POWER 12V Ac Adapter Charger for Netgear Nighthawk x4 X4S x6 Router R6220 R6250 R6300 R6400 R6700 R7000 R7500 C3000 C3700 C6300 CG3000D CM1000 CM400 CM500 CM600 D6200 D7000 Supply Cord

⚠️ Please check our photos and compare them with your Nighthawk before purchasing! ⚠️ (Item will not work with 19V Netgear X6)
COMPATIBILITY: Netgear Router C3000 C3700 C6250 C6300 C7000 CG3000D CM1000 CM400 CM500 CM600 D3700 D6200 D7000 FVS318G R6220 R6250 R6300 R6400 R6700 R7000 R7000P R7500 WAC120 WN2000RPT WN203 WN2500RP WNDAP360 WNDR3400 WNDR3700 WNDR4300 WNDR4500 WNR1000 WNR2000 WNR2500 WNR3500L
NETGEAR Nighthawk X4 R7500 , R7500-100NAS , R7500-100NASBN3 - AC2350 4x4 MU-MIMO Smart WiFi Gigabit Gaming Router . Netgear CM500 CM600 CM500-100NAS CM600-100NAS DOCSIS 3.0 High Speed Cable Modem . Netgear NeoTV Prime Max Streaming Player NTV300 NTV300SL NTV200S Google TV web all-in-one
Netgear EX6200 EX6200-100NAS AC1200 WiFi Range Extender . NETGEAR Nighthawk AC1900 Dual Band Wi-Fi Gigabit Router (R7000) R7000-100PAS . NETGEAR ProSafe FVS318 GS108 VPN Router . Netgear R8000 Nighthawk X6 AC3200 Tri-Band Quad-Stream Wi-Fi Router (R8000)

SaleRank No. #17

NETGEAR Nighthawk Multi-Gig Cable Modem CM2000 - Compatible with All Cable Providers incl. Xfinity, Spectrum, Cox | for Cable Plans Up to 2.5Gbps | DOCSIS 3.1 (Renewed)

BUILT FOR FASTEST MULTI-GIG SPEEDS: Best for cable provider plans up to 2.5Gbps
COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including Xfinity, COX and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
WORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system.
MULTI-GIG ETHERNET: 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.
SAVE MONTHLY RENTAL FEES: Replaces your cable modem saving you up to $168/yr in equipment rental fees.

Rank No. #18

NETGEAR Wireless Desktop Access Point (WAX206)- WiFi 6 Dual-Band AX3200 Speed, 4x1G Ethernet Ports, 1x2.5G WAN, Up to 128 Devices, WPA3 Security, Up to 3 Separate WiFi Networks, MU-MIMO, 802.11ax

Easy to install in a home office, dorm room or any location where you want a dedicated, secure WiFi network with 1,800 sq. ft. coverage.
WiFi 6 Dual-Band AX3200 speed, coupled with MU-MIMO technology, supports 128 maximum No. of devices.
Supports up to a 2.5G Internet connection for maximum speed. Plus four 1 Gigabit ports for wired devices.
Simplified deployment using the included power adapter.
Setup, configure, and manage with the instant setup wizard.

Rank No. #19

NETGEAR Cable Modem DOCSIS 3.0 (CM700-1AZNAS) Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, For Cable Plans Up to 800 Mbps

Compatible with all major cable internet providers: Including certification by Xfinity by Comcast, COX, and Spectrum. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
Save monthly rental fees: Model CM700-1AZNAS replaces your cable modem saving you up to 168 Dollars/year in equipment rental fees.
Speeds by carrier: Xfinity (up to 800Mbps), Cox (up to 500Mbps), Spectrum (up to 400Mbps).
Works with any Wi-Fi router: Connect any Wi-Fi router to this modem's Ethernet port to support all your wireless devices.
Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate Wi-Fi router.

Rank No. #20

NETGEAR Cable Modem CM600 - Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400 Mbps | DOCSIS 3.0 | 24x8

Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service
Not compatible with: Verizon, AT&T, or CenturyLink
Cable Modem only (no WiFi router).Memory: 8 MB NOR flash and 128 MB RAM
Support Cable Internet Service plans up to 300Mbps. Recommended for all speed tiers up to 500 Mbps. Separate router required for WiFi. 24x8 channel bonding
DOCSIS 3.0 Cable Modem with 1 Gigabit Ethernet port. DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0

Last update on 2023-07-29 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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The Best netgear cm400 cable modem of 2023 – Reviewed and Top Rated

How Do You Buy The Best netgear cm400 cable modem?

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