Product comparison · 2 interface cards/adapters

i-tec EXRS232 interface cards/adapter vs i-tec USB51AA interface cards/adapter

Key differences

Host interface
- EXRS232 interface cards/adapter:ExpressCard
- USB51AA interface cards/adapter:USB
Data transfer rate
- EXRS232 interface cards/adapter:15 Mbit/s
- USB51AA interface cards/adapter:12 Mbit/s
Ports quantity
- EXRS232 interface cards/adapter:1
- USB51AA interface cards/adapter:4
Mac compatibility
- EXRS232 interface cards/adapter:No
- USB51AA interface cards/adapter:Yes

Differences highlightedShow differences only

Comparison of EXRS232, USB51AA
15 specifications	A i-tec EXRS232 interface cards/adapter Model EXRS232 View product	B i-tec USB51AA interface cards/adapter Model USB51AA View product
Ports & interfaces1 differ
Host interfaceDiffers	ExpressCard	USB
Serial ports quantityKnown for one	1	Unknown — not stated by the source
System requirementsidentical
Minimum processorKnown for one	Pentium IV	Unknown — not stated by the source
Other features4 differ
Data transfer rateDiffers	15 Mbit/s	12 Mbit/s
Ports quantityDiffers	1	4
PlatformKnown for one	Laptop	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Compatible operating systemsDiffers	Windows DOS Windows 98SE Windows 2000 Windows XP 32bit Windows Server 2003 Windows Vista 32/64bit Windows 7 32/64bit	Microsoft Windows ME/2000/XP/Vista/7, Mac 10.1 +
Mac compatibilityDiffers	No	Yes
Minimum system requirementsKnown for one	Express slot	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Grey, White
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 80%

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.