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Product comparison · 2 modems

NETGEAR CMD31T modem vs NETGEAR DGNB2100 modem

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  • 11specifications compared
  • 9differ
  • 2identical
  • 11known for one product only

Key differences

The NETGEAR DGNB2100 modem has 3 more Ethernet LAN (RJ-45) ports than the NETGEAR CMD31T modem (4 vs 1). The NETGEAR DGNB2100 modem has 16 mm more depth than the NETGEAR CMD31T modem (130 mm vs 114 mm). The NETGEAR DGNB2100 modem has 1 mm more height than the NETGEAR CMD31T modem (31 mm vs 30 mm). Only the NETGEAR CMD31T modem has mac compatibility. Minimum system requirements: Cable Broadband Internet on the NETGEAR CMD31T modem, CD-ROM USB on the NETGEAR DGNB2100 modem.

  • Ethernet LAN (RJ-45) ports
    • 1
    • 4
  • Mac compatibility
    • Yes
    • No
  • Minimum system requirements
    • Cable Broadband Internet
    • CD-ROM USB
  • Compliance industry standards
    • IPv6
    • IEEE 802.11g/b/n
  • Depth
    • 114 mm
    • 130 mm
  • Height
    • 30 mm
    • 31 mm
  • Weight
    • 310 g
    • 265 g
  • Width
    • 175 mm
    • 177.5 mm

Side by side

Differences highlightedShow differences only
22 specifications
A

NETGEAR

CMD31T modem

Model CMD31T

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B

NETGEAR

DGNB2100 modem

Model DGNB2100

View product
Performanceidentical
Upstream data rateKnown for one150 Mbit/s
Downstream data rateKnown for one150 Mbit/s
Networking featuresKnown for oneGigabit Ethernet, TCP/IP
Featuresidentical
InternalNoNo
LED indicatorsKnown for oneYes
Plug and PlayKnown for oneYes
Connectivity LEDsKnown for oneYes
Ports & interfaces1 differ
DC-in jackYesYes
Ethernet LAN (RJ-45) portsDiffers14
Poweridentical
USB poweredKnown for oneNo
System requirements3 differ
Mac compatibilityDiffersYesNo
Minimum system requirementsDiffersCable Broadband InternetCD-ROM USB
Compatible operating systemsDiffersMicrosoft Windows 7, Vista, XP, 2000, Mac OSWindows 2000 (SP4), XP (SP1 y SP2) & Vista
Certificates1 differ
Compliance certificatesKnown for oneRoHS, CE, WEEE
CertificationKnown for oneCEC RoHS WEEE
Compliance industry standardsDiffersIPv6IEEE 802.11g/b/n
Weight & dimensions4 differ
DepthDiffers114 mm130 mm
HeightDiffers30 mm31 mm
WeightDiffers310 g265 g
WidthDiffers175 mm177.5 mm
Packaging contentidentical
Cables includedKnown for oneLAN (RJ-45)
Modemidentical
InterfaceKnown for oneUSB 2.0

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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