Product comparison · 2 modems

Motorola SB5120 modem vs Zyxel P-871H modem

8specifications compared
8differ
0identical
20known for one product only

Key differences

The Zyxel P-871H modem has 70 Mbit/s more upstream data rate than the Motorola SB5120 modem (100 Mbit/s vs 30 Mbit/s). The Zyxel P-871H modem has 62 Mbit/s more downstream data rate than the Motorola SB5120 modem (100 Mbit/s vs 38 Mbit/s). The Zyxel P-871H modem has 3 more Ethernet LAN (RJ-45) ports than the Motorola SB5120 modem (4 vs 1). Operating temperature (T-T): 0 - 40 °C on the Motorola SB5120 modem, 0 - 50 °C on the Zyxel P-871H modem. Operating relative humidity (H-H): 0 - 95% on the Motorola SB5120 modem, 10 - 90% on the Zyxel P-871H modem.

Upstream data rate
- SB5120 modem:30 Mbit/s
- P-871H modem:100 Mbit/s
Downstream data rate
- SB5120 modem:38 Mbit/s
- P-871H modem:100 Mbit/s
Ethernet LAN (RJ-45) ports
- SB5120 modem:1
- P-871H modem:4
Operating temperature (T-T)
- SB5120 modem:0 - 40 °C
- P-871H modem:0 - 50 °C
Operating relative humidity (H-H)
- SB5120 modem:0 - 95%
- P-871H modem:10 - 90%
Depth
- SB5120 modem:58.4 mm
- P-871H modem:127 mm
Height
- SB5120 modem:152.4 mm
- P-871H modem:35 mm
Width
- SB5120 modem:157.5 mm
- P-871H modem:180 mm

Side by side

Differences highlightedShow differences only

Comparison of SB5120, P-871H
28 specifications	A Motorola SB5120 modem Model SB5120 View product	B Zyxel P-871H modem Model P-871H View product
Modemidentical
InterfaceKnown for one	USB	Unknown — not stated by the source
Modem typeKnown for one	Unknown — not stated by the source	VDSL2
Performance2 differ
Data link protocolsKnown for one	TCP/IP	Unknown — not stated by the source
Upstream data rateDiffers	30 Mbit/s	100 Mbit/s
Downstream data rateDiffers	38 Mbit/s	100 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
Supported data transfer ratesKnown for one	Unknown — not stated by the source	10/100 Mbit/s
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
Flow control supportKnown for one	Unknown — not stated by the source	Yes
InternalKnown for one	Unknown — not stated by the source	No
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Connectivity LEDsKnown for one	Unknown — not stated by the source	System, VDSL, 10/100Base-TX
Ports & interfaces1 differ
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	4
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	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	Unknown — not stated by the source	200 - 240 V AC
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	0 - 95%	10 - 90%
Storage temperature (T-T)Known for one	-30 - 80 °C	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	58.4 mm	127 mm
HeightDiffers	152.4 mm	35 mm
WidthDiffers	157.5 mm	180 mm
WeightKnown for one	Unknown — not stated by the source	350 g
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3/3u/3x

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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