Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem vs Zyxel P-871M VDSL2

8specifications compared
7differ
1identical
27known for one product only

Key differences

The Zyxel P-871M VDSL2 has 57 mm more depth than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (132 mm vs 75 mm). The Zyxel P-871M VDSL2 has 22 mm more height than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (40 mm vs 18 mm). The Zyxel P-871M VDSL2 has 282 g more weight than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (307 g vs 25 g). Operating temperature (T-T): 0 - 55 °C on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 0 - 40 °C on the Zyxel P-871M VDSL2. Operating relative humidity (H-H): 20 - 80% on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 20 - 85% on the Zyxel P-871M VDSL2.

Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:0 - 55 °C
- P-871M VDSL2:0 - 40 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem – Dial up Data Modem:20 - 80%
- P-871M VDSL2:20 - 85%
Storage temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:10 - 70 °C
- P-871M VDSL2:-20 - 60 °C
Depth
- External V.92 56K USB Fax Modem – Dial up Data Modem:75 mm
- P-871M VDSL2:132 mm
Height
- External V.92 56K USB Fax Modem – Dial up Data Modem:18 mm
- P-871M VDSL2:40 mm
Weight
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 g
- P-871M VDSL2:307 g
Width
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 mm
- P-871M VDSL2:189 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEM3, P-871M VDSL2
35 specifications	A StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product	B Zyxel P-871M VDSL2 View product
Performanceidentical
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 featuresKnown for one	Unknown — not stated by the source	Ethernet, Fast Ethernet, VDSL1/2
Supported data transfer ratesKnown for one	56/48/14.4 Kbit/s	Unknown — not stated by the source
Data compressionKnown for one	V.44	Unknown — not stated by the source
Featuresidentical
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Internal	No	No
Connectivity LEDsKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	1 x WAN (RJ45), 1x DB9
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	9V AC 1000mA
USB poweredKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
SafetyKnown for one	Unknown — not stated by the source	CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
CertificationKnown for one	Unknown — not stated by the source	EN55022 Class B, EN61000-3-2: 2000, EN61000-3-3: 1995+A1:2001, FCC Part 15 (Class B)
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	20 - 80%	20 - 85%
Storage temperature (T-T)Differs	10 - 70 °C	-20 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensions4 differ
DepthDiffers	75 mm	132 mm
HeightDiffers	18 mm	40 mm
WeightDiffers	25 g	307 g
WidthDiffers	25 mm	189 mm
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
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
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

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.

More modem comparisons

All modem comparisons