Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem vs Zyxel P-871H modem

10specifications compared
7differ
3identical
19known for one product only

Key differences

The Zyxel P-871H modem has 52 mm more depth than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (127 mm vs 75 mm). The Zyxel P-871H modem has 17 mm more height than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (35 mm vs 18 mm). The Zyxel P-871H modem has 325 g more weight than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (350 g vs 25 g). Supported data transfer rates: 56/48/14.4 Kbit/s on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 10/100 Mbit/s on the Zyxel P-871H modem. Operating temperature (T-T): 0 - 55 °C on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 0 - 50 °C on the Zyxel P-871H modem.

Supported data transfer rates
- External V.92 56K USB Fax Modem – Dial up Data Modem:56/48/14.4 Kbit/s
- P-871H modem:10/100 Mbit/s
Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:0 - 55 °C
- P-871H modem:0 - 50 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem – Dial up Data Modem:20 - 80%
- P-871H modem:10 - 90%
Depth
- External V.92 56K USB Fax Modem – Dial up Data Modem:75 mm
- P-871H modem:127 mm
Height
- External V.92 56K USB Fax Modem – Dial up Data Modem:18 mm
- P-871H modem:35 mm
Weight
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 g
- P-871H modem:350 g
Width
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 mm
- P-871H modem:180 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEM3, P-871H
29 specifications	A StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product	B Zyxel P-871H modem Model P-871H View product
Modemidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
ChipsetKnown for one	Agere/LSI SV92U2C	Unknown — not stated by the source
Modem typeKnown for one	Unknown — not stated by the source	VDSL2
Performance1 differ
Supported data transfer ratesDiffers	56/48/14.4 Kbit/s	10/100 Mbit/s
Data compressionKnown for one	V.44	Unknown — not stated by the source
Upstream data rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Featuresidentical
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Flow control supportKnown 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
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	4
Poweridentical
USB poweredKnown for one	Yes	Unknown — not stated by the source
Power supply typeKnown for one	Unknown — not stated by the source	200 - 240 V AC
System requirementsidentical
Compatible operating systemsKnown for one	Windows ME/ 2000/ XP(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	20 - 80%	10 - 90%
Storage temperature (T-T)Known for one	10 - 70 °C	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	75 mm	127 mm
HeightDiffers	18 mm	35 mm
WeightDiffers	25 g	350 g
WidthDiffers	25 mm	180 mm
Packaging dataidentical
Package depthKnown for one	170 mm	Unknown — not stated by the source
Package heightKnown for one	35 mm	Unknown — not stated by the source
Package weightKnown for one	180 g	Unknown — not stated by the source
Package widthKnown for one	142 mm	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3/3u/3x

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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