Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem vs Zyxel P-870M-I modem

8specifications compared
8differ
0identical
21known for one product only

Key differences

The Zyxel P-870M-I modem 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-870M-I modem 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-870M-I modem has 240 g more weight than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (265 g vs 25 g). LED indicators: Yes on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, Status on the Zyxel P-870M-I modem. 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-870M-I modem.

LED indicators
- External V.92 56K USB Fax Modem – Dial up Data Modem:Yes
- P-870M-I modem:Status
Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:0 - 55 °C
- P-870M-I modem:0 - 40 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem – Dial up Data Modem:20 - 80%
- P-870M-I modem:20 - 85%
Storage temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:10 - 70 °C
- P-870M-I modem:-20 - 60 °C
Depth
- External V.92 56K USB Fax Modem – Dial up Data Modem:75 mm
- P-870M-I modem:132 mm
Height
- External V.92 56K USB Fax Modem – Dial up Data Modem:18 mm
- P-870M-I modem:40 mm
Weight
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 g
- P-870M-I modem:265 g
Width
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 mm
- P-870M-I modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEM3, P-870M-I
29 specifications	A StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product	B Zyxel P-870M-I modem Model P-870M-I 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
Performanceidentical
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
Upstream data rateKnown for one	Unknown — not stated by the source	50 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet 10/100 Mbps
Features1 differ
InternalKnown for one	No	Unknown — not stated by the source
LED indicatorsDiffers	Yes	Status
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Electromagnetic emissionsKnown for one	Unknown — not stated by the source	FCC Part 15 Class B, EN 55022 Class B, EN 55024 Class B
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	2 x RJ-45 1 x RJ-11
Poweridentical
USB poweredKnown for one	Yes	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	9 V AC 1000 mA
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 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
Weight & dimensions4 differ
DepthDiffers	75 mm	132 mm
HeightDiffers	18 mm	40 mm
WeightDiffers	25 g	265 g
WidthDiffers	25 mm	189 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
SafetyKnown for one	Unknown — not stated by the source	CAN/CSA-C22.2 No. 60950-1-03, ANSI/UL Std No 60950-1, 1st Ed., EN 60950-1, 1st Ed., IEC 60950-1, 1st Ed.
Technical detailsidentical
Technical featuresKnown for one	Unknown — not stated by the source	- Duplex Method: DMT - LR-VDSL2 support - Power back-off

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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