Product comparison · 2 modems

Zyxel P-630-S3 ADSL USB Modem over ISDN vs Zyxel P- 871H VDSL2 Modem

5specifications compared
4differ
1identical
22known for one product only

Key differences

The Zyxel P- 871H VDSL2 Modem has 49.2 Mbit/s more upstream data rate than the Zyxel P-630-S3 ADSL USB Modem over ISDN (50 Mbit/s vs 0.8 Mbit/s). The Zyxel P- 871H VDSL2 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). LED indicators: DSL on the Zyxel P-630-S3 ADSL USB Modem over ISDN, Yes on the Zyxel P- 871H VDSL2 Modem. I/O ports: 1 x RJ-45 1 x USB on the Zyxel P-630-S3 ADSL USB Modem over ISDN, 4xRJ45 on the Zyxel P- 871H VDSL2 Modem.

Upstream data rate
- P-630-S3 ADSL USB Modem over ISDN:0.8 Mbit/s
- P- 871H VDSL2 Modem:50 Mbit/s
Downstream data rate
- P-630-S3 ADSL USB Modem over ISDN:8 Mbit/s
- P- 871H VDSL2 Modem:100 Mbit/s
LED indicators
- P-630-S3 ADSL USB Modem over ISDN:DSL
- P- 871H VDSL2 Modem:Yes
I/O ports
- P-630-S3 ADSL USB Modem over ISDN:1 x RJ-45 1 x USB
- P- 871H VDSL2 Modem:4xRJ45

Side by side

Differences highlightedShow differences only

Comparison of P-630-S3 ADSL USB Modem over ISDN, P- 871H VDSL2 Modem
27 specifications	A Zyxel P-630-S3 ADSL USB Modem over ISDN View product	B Zyxel P- 871H VDSL2 Modem View product
Performance2 differ
Upstream data rateDiffers	0.8 Mbit/s	50 Mbit/s
Downstream data rateDiffers	8 Mbit/s	100 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Features1 differ
Internal	No	No
LED indicatorsDiffers	DSL	Yes
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	Yes
Ports & interfaces1 differ
I/O portsDiffers	1 x RJ-45 1 x USB	4xRJ45
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 50 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
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 & dimensionsidentical
DepthKnown for one	45 mm	Unknown — not stated by the source
HeightKnown for one	26 mm	Unknown — not stated by the source
WeightKnown for one	78 g	Unknown — not stated by the source
WidthKnown for one	110 mm	Unknown — not stated by the source
Modemidentical
Modem typeKnown for one	Unknown — not stated by the source	VDSL2
Modem speedKnown for one	Unknown — not stated by the source	100000 Kbit/s

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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