Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem vs Zyxel P-630-S3 ADSL USB Modem over ISDN

9specifications compared
8differ
1identical
21known for one product only

Key differences

The StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem has 32 mm more depth than the Zyxel P-630-S3 ADSL USB Modem over ISDN (77 mm vs 45 mm). The Zyxel P-630-S3 ADSL USB Modem over ISDN has 6 mm more height than the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem (26 mm vs 20 mm). The Zyxel P-630-S3 ADSL USB Modem over ISDN has 48 g more weight than the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem (78 g vs 30 g). Operating temperature (T-T): 0 - 55 °C on the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem, 0 - 50 °C on the Zyxel P-630-S3 ADSL USB Modem over ISDN. Operating relative humidity (H-H): 10 - 90% on the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem, 20 - 80% on the Zyxel P-630-S3 ADSL USB Modem over ISDN.

Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:0 - 55 °C
- P-630-S3 ADSL USB Modem over ISDN:0 - 50 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:10 - 90%
- P-630-S3 ADSL USB Modem over ISDN:20 - 80%
Storage temperature (T-T)
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:-20 - 70 °C
- P-630-S3 ADSL USB Modem over ISDN:-30 - 60 °C
Depth
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:77 mm
- P-630-S3 ADSL USB Modem over ISDN:45 mm
Height
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:20 mm
- P-630-S3 ADSL USB Modem over ISDN:26 mm
Weight
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:30 g
- P-630-S3 ADSL USB Modem over ISDN:78 g
Width
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:27 mm
- P-630-S3 ADSL USB Modem over ISDN:110 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEMH, P-630-S3 ADSL USB Modem over ISDN
30 specifications	A StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem Model USB56KEMH View product	B Zyxel P-630-S3 ADSL USB Modem over ISDN View product
Performanceidentical
Upstream data rateKnown for one	Unknown — not stated by the source	0.8 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	8 Mbit/s
Data compressionKnown for one	V.44, V.42bis, MNP 5	Unknown — not stated by the source
Featuresidentical
Internal	No	No
LED indicatorsKnown for one	Unknown — not stated by the source	DSL
Ports & interfacesidentical
I/O portsKnown for one	Unknown — not stated by the source	1 x RJ-45 1 x USB
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
System requirements1 differ
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Minimum RAMKnown for one	Unknown — not stated by the source	64 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium II 233MHz/ Mac G3
Minimum system requirementsKnown for one	Unknown — not stated by the source	HD: 20 MB USB
Compatible operating systemsDiffers	Windows 8.1 (32/64bit), 8 (32/64), 7 (32/64), Vista(32/64), XP(32/64), Server 2012 2008 R2, 2003(32/64), Mac OS 10.7	Win98, Win ME, Win2000, Win XP, Mac OS 9/X
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	FCC part 15&68 CE WHQL
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	10 - 90%	20 - 80%
Storage temperature (T-T)Differs	-20 - 70 °C	-30 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensions4 differ
DepthDiffers	77 mm	45 mm
HeightDiffers	20 mm	26 mm
WeightDiffers	30 g	78 g
WidthDiffers	27 mm	110 mm
Modemidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	USB2.0	Unknown — not stated by the source
ChipsetKnown for one	Conexant CX93010	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package depthKnown for one	163 mm	Unknown — not stated by the source
Package heightKnown for one	32 mm	Unknown — not stated by the source
Package weightKnown for one	150 g	Unknown — not stated by the source
Package widthKnown for one	136 mm	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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