Product comparison · 2 modems

Zyxel P-871H modem vs Zyxel P-871M modem

13specifications compared
11differ
2identical
14known for one product only

Key differences

The Zyxel P-871H modem has 60 Mbit/s more upstream data rate than the Zyxel P-871M modem (100 Mbit/s vs 40 Mbit/s). The Zyxel P-871H modem has 20 Mbit/s more downstream data rate than the Zyxel P-871M modem (100 Mbit/s vs 80 Mbit/s). The Zyxel P-871H modem has 3 more Ethernet LAN (RJ-45) ports than the Zyxel P-871M modem (4 vs 1). Connectivity LEDs: System, VDSL, 10/100Base-TX on the Zyxel P-871H modem, Yes on the Zyxel P-871M modem. Operating temperature (T-T): 0 - 50 °C on the Zyxel P-871H modem, 0 - 40 °C on the Zyxel P-871M modem.

Upstream data rate
- P-871H modem:100 Mbit/s
- P-871M modem:40 Mbit/s
Downstream data rate
- P-871H modem:100 Mbit/s
- P-871M modem:80 Mbit/s
Connectivity LEDs
- P-871H modem:System, VDSL, 10/100Base-TX
- P-871M modem:Yes
Ethernet LAN (RJ-45) ports
- P-871H modem:4
- P-871M modem:1
Operating temperature (T-T)
- P-871H modem:0 - 50 °C
- P-871M modem:0 - 40 °C
Operating relative humidity (H-H)
- P-871H modem:10 - 90%
- P-871M modem:20 - 85%
Depth
- P-871H modem:127 mm
- P-871M modem:132 mm
Height
- P-871H modem:35 mm
- P-871M modem:40 mm

Side by side

Differences highlightedShow differences only

Comparison of P-871H, P-871M
27 specifications	A Zyxel P-871H modem Model P-871H View product	B Zyxel P-871M modem Model P-871M View product
Performance2 differ
Upstream data rateDiffers	100 Mbit/s	40 Mbit/s
Downstream data rateDiffers	100 Mbit/s	80 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet, Fast Ethernet, VDSL1/2
Supported protocolsKnown for one	Unknown — not stated by the source	1 x WAN (RJ45)
Supported data transfer ratesKnown for one	10/100 Mbit/s	Unknown — not stated by the source
Features1 differ
Flow control support	Yes	Yes
Internal	No	No
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Connectivity LEDsDiffers	System, VDSL, 10/100Base-TX	Yes
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) portsDiffers	4	1
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	No
Power supply typeKnown for one	200 - 240 V AC	Unknown — not stated by the source
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	EN55022 Class B, EN61000-3-2: 2000, EN61000-3-3: 1995+A1:2001, FCC Part 15 (Class B), CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
Compliance industry standardsDiffers	IEEE 802.3/3u/3x	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 50 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	10 - 90%	20 - 85%
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensions4 differ
DepthDiffers	127 mm	132 mm
HeightDiffers	35 mm	40 mm
WeightDiffers	350 g	307 g
WidthDiffers	180 mm	189 mm
Modemidentical
Modem typeKnown for one	VDSL2	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.

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