Product comparison · 2 modems

Motorola SB6121 modem vs Motorola SBG6580 modem

Key differences

Downstream data rate
- SB6121 modem:222.464 Mbit/s
- SBG6580 modem:444.928 Mbit/s
Maximum data transfer rate
- SB6121 modem:222.464 Mbit/s
- SBG6580 modem:444.928 Mbit/s
Bandwidth
- SB6121 modem:0.1 GHz
- SBG6580 modem:0.032 GHz
Ethernet LAN (RJ-45) ports
- SB6121 modem:1
- SBG6580 modem:4
Depth
- SB6121 modem:133 mm
- SBG6580 modem:50 mm
Height
- SB6121 modem:42 mm
- SBG6580 modem:171.7 mm
Width
- SB6121 modem:133 mm
- SBG6580 modem:167 mm

Differences highlightedShow differences only

Comparison of SB6121, SBG6580
20 specifications	A Motorola SB6121 modem Model SB6121 View product	B Motorola SBG6580 modem Model SBG6580 View product
Performance2 differ
Data link protocolsKnown for one	TCP/IP	Unknown — not stated by the source
Upstream data rate	131.072 Mbit/s	131.072 Mbit/s
Downstream data rateDiffers	222.464 Mbit/s	444.928 Mbit/s
Maximum data transfer rateDiffers	222.464 Mbit/s	444.928 Mbit/s
Modulation	256-QAM, 64-QAM, QPSK	256-QAM, 64-QAM, QPSK
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11n
Features1 differ
BandwidthDiffers	0.1 GHz	0.032 GHz
Frequency range	0.108 - 1 GHz	0.108 - 1 GHz
Ports & interfaces1 differ
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) portsDiffers	1	4
Poweridentical
Power requirements	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz
Power supply typeKnown for one	9W	Unknown — not stated by the source
System requirementsidentical
Mac compatibility	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage temperature (T-T)	-30 - 70 °C	-30 - 70 °C
Weight & dimensions3 differ
DepthDiffers	133 mm	50 mm
HeightDiffers	42 mm	171.7 mm
WidthDiffers	133 mm	167 mm
Packaging contentidentical
Cables includedKnown for one	LAN (RJ-45)	Unknown — not stated by the source

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.