Product comparison · 2 modems

Zyxel P-630-S3 ADSL USB Modem over ISDN vs Zyxel P-871H modem

9specifications compared
7differ
2identical
20known for one product only

Key differences

The Zyxel P-871H modem has 99.2 Mbit/s more upstream data rate than the Zyxel P-630-S3 ADSL USB Modem over ISDN (100 Mbit/s vs 0.8 Mbit/s). The Zyxel P-871H modem has 92 Mbit/s more downstream data rate than the Zyxel P-630-S3 ADSL USB Modem over ISDN (100 Mbit/s vs 8 Mbit/s). The Zyxel P-871H modem has 82 mm more depth than the Zyxel P-630-S3 ADSL USB Modem over ISDN (127 mm vs 45 mm). Operating relative humidity (H-H): 20 - 80% on the Zyxel P-630-S3 ADSL USB Modem over ISDN, 10 - 90% on the Zyxel P-871H modem.

Upstream data rate
- P-630-S3 ADSL USB Modem over ISDN:0.8 Mbit/s
- P-871H modem:100 Mbit/s
Downstream data rate
- P-630-S3 ADSL USB Modem over ISDN:8 Mbit/s
- P-871H modem:100 Mbit/s
Operating relative humidity (H-H)
- P-630-S3 ADSL USB Modem over ISDN:20 - 80%
- P-871H modem:10 - 90%
Depth
- P-630-S3 ADSL USB Modem over ISDN:45 mm
- P-871H modem:127 mm
Height
- P-630-S3 ADSL USB Modem over ISDN:26 mm
- P-871H modem:35 mm
Weight
- P-630-S3 ADSL USB Modem over ISDN:78 g
- P-871H modem:350 g
Width
- P-630-S3 ADSL USB Modem over ISDN:110 mm
- P-871H modem:180 mm

Side by side

Differences highlightedShow differences only

Comparison of P-630-S3 ADSL USB Modem over ISDN, P-871H
29 specifications	A Zyxel P-630-S3 ADSL USB Modem over ISDN View product	B Zyxel P-871H modem Model P-871H View product
Performance2 differ
Upstream data rateDiffers	0.8 Mbit/s	100 Mbit/s
Downstream data rateDiffers	8 Mbit/s	100 Mbit/s
Supported data transfer ratesKnown for one	Unknown — not stated by the source	10/100 Mbit/s
Featuresidentical
Internal	No	No
LED indicatorsKnown for one	DSL	Unknown — not stated by the source
Flow control supportKnown for one	Unknown — not stated by the source	Yes
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 & interfacesidentical
I/O portsKnown for one	1 x RJ-45 1 x USB	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	4
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Minimum RAMKnown for one	64 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium II 233MHz/ Mac G3	Unknown — not stated by the source
Minimum system requirementsKnown for one	HD: 20 MB USB	Unknown — not stated by the source
Compatible operating systemsKnown for one	Win98, Win ME, Win2000, Win XP, Mac OS 9/X	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	CE, Federal Communications Commission (FCC)	Unknown — not stated by the source
CertificationKnown for one	FCC part 15&68 CE WHQL	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3/3u/3x
Operational conditions1 differ
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	20 - 80%	10 - 90%
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one	20 - 90%	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	45 mm	127 mm
HeightDiffers	26 mm	35 mm
WeightDiffers	78 g	350 g
WidthDiffers	110 mm	180 mm
Modemidentical
Modem typeKnown for one	Unknown — not stated by the source	VDSL2
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	200 - 240 V AC

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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