Product comparison · 2 modems

StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem vs StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem

Key differences

Interface
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:PCI Express
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:USB2.0
Chipset
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:Conexant - CX95610
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:Conexant CX93010
Data compression
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:V.44
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:V.44, V.42bis, MNP 5
Modem (RJ-11) ports
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:2
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:1
Operating temperature (T-T)
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:0 - 40 °C
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:0 - 55 °C
Storage temperature (T-T)
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:-40 - 70 °C
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:-20 - 70 °C
Depth
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:60 mm
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:77 mm
Height
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:67 mm
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:20 mm

Differences highlightedShow differences only

Comparison of PEX56KIM, USB56KEMH
20 specifications	A StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem Model PEX56KIM View product	B StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem Model USB56KEMH View product
Modem2 differ
InterfaceDiffers	PCI Express	USB2.0
ChipsetDiffers	Conexant - CX95610	Conexant CX93010
Performance1 differ
Data compressionDiffers	V.44	V.44, V.42bis, MNP 5
Featuresidentical
InternalKnown for one	Unknown — not stated by the source	No
Ports & interfaces1 differ
Modem (RJ-11) portsDiffers	2	1
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	Yes
System requirements1 differ
Compatible operating systemsDiffers	Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), Windows Server 2008 R2, 2003(32/64)	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
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 55 °C
Storage temperature (T-T)Differs	-40 - 70 °C	-20 - 70 °C
Weight & dimensions4 differ
DepthDiffers	60 mm	77 mm
HeightDiffers	67 mm	20 mm
WeightDiffers	37 g	30 g
WidthDiffers	19 mm	27 mm
Packaging data4 differ
Package depthDiffers	142 mm	163 mm
Package heightDiffers	30 mm	32 mm
Package weightDiffers	100 g	150 g
Package widthDiffers	174 mm	136 mm
Packaging contentidentical
Cables includedKnown for one	Phone (RJ-11)	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.