Product comparison · 2 modems

Zyxel P-870M-I3 modem vs Zyxel P-871M modem

15specifications compared
7differ
8identical
11known for one product only

Key differences

The Zyxel P-870M-I3 modem has 48 mm more depth than the Zyxel P-871M modem (180 mm vs 132 mm). The Zyxel P-871M modem has 4 mm more height than the Zyxel P-870M-I3 modem (40 mm vs 36 mm). The Zyxel P-871M modem has 32 g more weight than the Zyxel P-870M-I3 modem (307 g vs 275 g). Networking features: Fast Ethernet on the Zyxel P-870M-I3 modem, Ethernet, Fast Ethernet, VDSL1/2 on the Zyxel P-871M modem. Non-operating relative humidity (non-condensing): 20 - 95% on the Zyxel P-870M-I3 modem, 20 - 90% on the Zyxel P-871M modem.

Non-operating relative humidity (non-condensing)
- P-870M-I3 modem:20 - 95%
- P-871M modem:20 - 90%
Depth
- P-870M-I3 modem:180 mm
- P-871M modem:132 mm
Height
- P-870M-I3 modem:36 mm
- P-871M modem:40 mm
Weight
- P-870M-I3 modem:275 g
- P-871M modem:307 g
Width
- P-870M-I3 modem:128 mm
- P-871M modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of P-870M-I3, P-871M
26 specifications	A Zyxel P-870M-I3 modem Model P-870M-I3 View product	B Zyxel P-871M modem Model P-871M View product
Performance1 differ
Upstream data rateKnown for one	Unknown — not stated by the source	40 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	80 Mbit/s
Networking featuresDiffers	Fast Ethernet	Ethernet, Fast Ethernet, VDSL1/2
Supported protocolsKnown for one	Unknown — not stated by the source	1 x WAN (RJ45)
Data link protocolsKnown for one	VDSL2 (ITU G.993.1, ITU G.993.2)	Unknown — not stated by the source
Featuresidentical
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Internal	No	No
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Connectivity LEDs	Yes	Yes
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	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	AC/DC	Unknown — not stated by the source
Certificates1 differ
Compliance certificates	Federal Communications Commission (FCC)	Federal Communications Commission (FCC)
CertificationDiffers	FCC, EN, ANSI/UL, IEC	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 standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	20 - 85%	20 - 85%
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Non-operating relative humidity (non-condensing)Differs	20 - 95%	20 - 90%
Weight & dimensions4 differ
DepthDiffers	180 mm	132 mm
HeightDiffers	36 mm	40 mm
WeightDiffers	275 g	307 g
WidthDiffers	128 mm	189 mm
Modemidentical
InterfaceKnown for one	RJ-45/RJ-11	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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