StarTech.com USB 56K vs StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem

Comparison of USB 56K, USB56KEM3

23 specifications	A StarTech.com USB 56KView product	B StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product
Modemidentical
Modem speed	56 Kbit/s	56 Kbit/s
ChipsetKnown for one	—Unknown — not stated by the source	Agere/LSI SV92U2C
InterfaceKnown for one	USB	—Unknown — not stated by the source
Performanceidentical
Supported data transfer ratesKnown for one	—Unknown — not stated by the source	56/48/14.4 Kbit/s
Data compression	V.44	V.44
Featuresidentical
InternalKnown for one	—Unknown — not stated by the source	No
LED indicatorsKnown for one	—Unknown — not stated by the source	Yes
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Ports & interfacesidentical
Modem (RJ-11) ports	1	1
Connector(s)Known for one	1 - USB A, 1 - RJ11	—Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	—Unknown — not stated by the source	Yes
System requirements1 differ
Compatible operating systemsDiffers	Windows 98SE/ME/2000/XP & Vista	Windows ME/ 2000/ XP(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 55 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	20 - 80%
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	10 - 70 °C
Weight & dimensionsidentical
DepthKnown for one	—Unknown — not stated by the source	75 mm
HeightKnown for one	—Unknown — not stated by the source	18 mm
WeightKnown for one	—Unknown — not stated by the source	25 g
WidthKnown for one	—Unknown — not stated by the source	25 mm
Packaging dataidentical
Package depthKnown for one	—Unknown — not stated by the source	170 mm
Package heightKnown for one	—Unknown — not stated by the source	35 mm
Package weightKnown for one	—Unknown — not stated by the source	180 g
Package widthKnown for one	—Unknown — not stated by the source	142 mm

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.