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Product comparison · 2 modems

Motorola SB6121 modem vs NETGEAR CMD31T modem

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  • 9specifications compared
  • 5differ
  • 4identical
  • 21known for one product only

Key differences

The NETGEAR CMD31T modem has 18.928 Mbit/s more upstream data rate than the Motorola SB6121 modem (150 Mbit/s vs 131.072 Mbit/s). The Motorola SB6121 modem has 72.464 Mbit/s more downstream data rate than the NETGEAR CMD31T modem (222.464 Mbit/s vs 150 Mbit/s). The Motorola SB6121 modem has 19 mm more depth than the NETGEAR CMD31T modem (133 mm vs 114 mm).

  • Upstream data rate
    • 131.072 Mbit/s
    • 150 Mbit/s
  • Downstream data rate
    • 222.464 Mbit/s
    • 150 Mbit/s
  • Depth
    • 133 mm
    • 114 mm
  • Height
    • 42 mm
    • 30 mm
  • Width
    • 133 mm
    • 175 mm

Side by side

Differences highlightedShow differences only
30 specifications
A

Motorola

SB6121 modem

Model SB6121

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B

NETGEAR

CMD31T modem

Model CMD31T

View product
Performance2 differ
Upstream data rateDiffers131.072 Mbit/s150 Mbit/s
Downstream data rateDiffers222.464 Mbit/s150 Mbit/s
Networking featuresKnown for oneGigabit Ethernet, TCP/IP
Data link protocolsKnown for oneTCP/IP
Maximum data transfer rateKnown for one222.464 Mbit/s
ModulationKnown for one256-QAM, 64-QAM, QPSK
Featuresidentical
InternalKnown for oneNo
LED indicatorsKnown for oneYes
Plug and PlayKnown for oneYes
BandwidthKnown for one0.1 GHz
Frequency rangeKnown for one0.108 - 1 GHz
Ports & interfacesidentical
DC-in jackYesYes
Ethernet LAN (RJ-45) ports11
Poweridentical
USB poweredKnown for oneNo
Power requirementsKnown for one(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz
Power supply typeKnown for one9W
System requirementsidentical
Mac compatibilityYesYes
Minimum system requirementsKnown for oneCable Broadband Internet
Compatible operating systemsKnown for oneMicrosoft Windows 7, Vista, XP, 2000, Mac OS
Certificatesidentical
Compliance certificatesKnown for oneRoHS, CE, WEEE
CertificationKnown for oneCEC RoHS WEEE
Compliance industry standardsKnown for oneIPv6
Weight & dimensions3 differ
DepthDiffers133 mm114 mm
HeightDiffers42 mm30 mm
WeightKnown for one310 g
WidthDiffers133 mm175 mm
Packaging contentidentical
Cables includedLAN (RJ-45)LAN (RJ-45)
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage temperature (T-T)Known for one-30 - 70 °C

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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