Product comparison · 2 modems

Motorola SB6121 modem vs NETGEAR CM500 modem

6specifications compared
3differ
3identical
17known for one product only

Key differences

The Motorola SB6121 modem has 73 mm more depth than the NETGEAR CM500 modem (133 mm vs 60 mm). The NETGEAR CM500 modem has 82 mm more height than the Motorola SB6121 modem (124 mm vs 42 mm). The NETGEAR CM500 modem has 52 mm more width than the Motorola SB6121 modem (185 mm vs 133 mm).

Depth
- SB6121 modem:133 mm
- CM500 modem:60 mm
Height
- SB6121 modem:42 mm
- CM500 modem:124 mm
Width
- SB6121 modem:133 mm
- CM500 modem:185 mm

Side by side

Differences highlightedShow differences only

Comparison of SB6121, CM500
23 specifications	A Motorola SB6121 modem Model SB6121 View product	B NETGEAR CM500 modem Model CM500 View product
Performanceidentical
Data link protocolsKnown for one	TCP/IP	Unknown — not stated by the source
Upstream data rateKnown for one	131.072 Mbit/s	Unknown — not stated by the source
Downstream data rateKnown for one	222.464 Mbit/s	Unknown — not stated by the source
Maximum data transfer rateKnown for one	222.464 Mbit/s	Unknown — not stated by the source
ModulationKnown for one	256-QAM, 64-QAM, QPSK	Unknown — not stated by the source
Supported network protocolsKnown for one	Unknown — not stated by the source	IPv6
Featuresidentical
BandwidthKnown for one	0.1 GHz	Unknown — not stated by the source
Frequency rangeKnown for one	0.108 - 1 GHz	Unknown — not stated by the source
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Poweridentical
Power requirementsKnown for one	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz	Unknown — not stated by the source
Power supply typeKnown for one	9W	Unknown — not stated by the source
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 70 °C	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	133 mm	60 mm
HeightDiffers	42 mm	124 mm
WidthDiffers	133 mm	185 mm
WeightKnown for one	Unknown — not stated by the source	280 g
Packaging contentidentical
Cables included	LAN (RJ-45)	LAN (RJ-45)
Modemidentical
Internal memoryKnown for one	Unknown — not stated by the source	128 MB
Flash memoryKnown for one	Unknown — not stated by the source	8 MB

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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