Product comparison · 2 modems

Motorola SB5120 modem vs Zyxel P-871M VDSL Modem

7specifications compared
6differ
1identical
14known for one product only

Key differences

The Zyxel P-871M VDSL Modem has 10 Mbit/s more upstream data rate than the Motorola SB5120 modem (40 Mbit/s vs 30 Mbit/s). The Zyxel P-871M VDSL Modem has 42 Mbit/s more downstream data rate than the Motorola SB5120 modem (80 Mbit/s vs 38 Mbit/s). The Zyxel P-871M VDSL Modem has 73.6 mm more depth than the Motorola SB5120 modem (132 mm vs 58.4 mm).

Upstream data rate
- SB5120 modem:30 Mbit/s
- P-871M VDSL Modem:40 Mbit/s
Downstream data rate
- SB5120 modem:38 Mbit/s
- P-871M VDSL Modem:80 Mbit/s
Depth
- SB5120 modem:58.4 mm
- P-871M VDSL Modem:132 mm
Height
- SB5120 modem:152.4 mm
- P-871M VDSL Modem:40 mm
Width
- SB5120 modem:157.5 mm
- P-871M VDSL Modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of SB5120, P-871M VDSL Modem
21 specifications	A Motorola SB5120 modem Model SB5120 View product	B Zyxel P-871M VDSL Modem View product
Modemidentical
InterfaceKnown for one	USB	Unknown — not stated by the source
Performance3 differ
Data link protocolsDiffers	TCP/IP	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Upstream data rateDiffers	30 Mbit/s	40 Mbit/s
Downstream data rateDiffers	38 Mbit/s	80 Mbit/s
Maximum data transfer rateKnown for one	38 Mbit/s	Unknown — not stated by the source
ModulationKnown for one	256-QAM, 64-QAM, QPSK	Unknown — not stated by the source
Featuresidentical
BandwidthKnown for one	0.006 GHz	Unknown — not stated by the source
Frequency rangeKnown for one	0.005 - 0.042 GHz	Unknown — not stated by the source
Ports & interfacesidentical
DC-in jackKnown for one	Yes	Unknown — not stated by the source
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
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	0 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 80 °C	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	58.4 mm	132 mm
HeightDiffers	152.4 mm	40 mm
WidthDiffers	157.5 mm	189 mm
WeightKnown for one	Unknown — not stated by the source	307 g
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	- EN55022 - EN61000-3-2: 2000 - EN61000-3-3: 1995+A1: 2001 - FCC Abschnitt 15 - CSA 60950-1 - UL 60950-1 - EN 60950-1: 2001+A11 - IEC 60950-1: 2001

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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