Product comparison · 2 interface cards/adapters

StarTech.com 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection vs StarTech.com 4 Independent Port PCI Express USB 2.0 Adapter Card

6specifications compared
6differ
0identical
28known for one product only

Key differences

Host interface
- 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection:PCI/PCI-X
- 4 Independent Port PCI Express USB 2.0 Adapter Card:USB
Serial ports quantity
- 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection:2
- 4 Independent Port PCI Express USB 2.0 Adapter Card:4
Weight
- 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection:100 g
- 4 Independent Port PCI Express USB 2.0 Adapter Card:50 g
Package width
- 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection:147 mm
- 4 Independent Port PCI Express USB 2.0 Adapter Card:37.5 mm
Package depth
- 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection:212 mm
- 4 Independent Port PCI Express USB 2.0 Adapter Card:175 mm
Package height
- 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection:41 mm
- 4 Independent Port PCI Express USB 2.0 Adapter Card:137.5 mm

Side by side

Differences highlightedShow differences only

Comparison of PCI2S232485I, PEXUSB400
34 specifications	A StarTech.com 2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection Model PCI2S232485I View product	B StarTech.com 4 Independent Port PCI Express USB 2.0 Adapter Card Model PEXUSB400 View product
Ports & interfaces2 differ
Host interfaceDiffers	PCI/PCI-X	USB
Output interfaceKnown for one	Serial	Unknown — not stated by the source
Expansion card standardKnown for one	PCI 2.2	Unknown — not stated by the source
Serial ports quantityDiffers	2	4
Serial interface typeKnown for one	RS-232/422/485	Unknown — not stated by the source
Designidentical
InternalKnown for one	Yes	Unknown — not stated by the source
Product colourKnown for one	Yellow	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	234450 h	Unknown — not stated by the source
CertificationKnown for one	CE, FCC	Unknown — not stated by the source
Featuresidentical
ChipsetKnown for one	PLX/Oxford - OXuPCI952	Unknown — not stated by the source
Baud rateKnown for one	921.6 Kbit/s	Unknown — not stated by the source
FIFO (First In, First Out)Known for one	128 B	Unknown — not stated by the source
Data bitsKnown for one	5, 6, 7, 8	Unknown — not stated by the source
Flow control supportKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 85 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 2000 Professional, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Server operating systems supportedKnown for one	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	74 mm	Unknown — not stated by the source
DepthKnown for one	121 mm	Unknown — not stated by the source
HeightKnown for one	18 mm	Unknown — not stated by the source
WeightDiffers	100 g	50 g
Packaging data3 differ
Drivers includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Package widthDiffers	147 mm	37.5 mm
Package depthDiffers	212 mm	175 mm
Package heightDiffers	41 mm	137.5 mm
Package weightKnown for one	200.26 g	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source
Other featuresidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Linux, and Mac OS 10.4.x
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes

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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