Product comparison · 2 interface cards/adapters

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA vs StarTech.com PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1)

17specifications compared
13differ
4identical
15known for one product only

Key differences

Output interface
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:Serial
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):USB 3.2 Gen 1 (3.1 Gen 1)
Chipset
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:SystemBase SB16C1052PCI
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):Renesas/NEC uPD720202
Operating temperature (T-T)
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:0 - 100 °C
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):5 - 85 °C
Storage temperature (T-T)
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:0 - 150 °C
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):-65 - 150 °C
Width
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:125 mm
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):171 mm
Depth
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:70 mm
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):73.2 mm
Height
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:20 mm
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):19 mm
Weight
- 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA:67.4 g
- PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1):60 g

Side by side

Differences highlightedShow differences only

Comparison of PEX4S232485, PEXUSB3S400
32 specifications	A StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 - TAA Model PEX4S232485 View product	B StarTech.com PEXUSB3S400 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 Gen 1) Model PEXUSB3S400 View product
Ports & interfaces1 differ
Host interface	PCIe	PCIe
Output interfaceDiffers	Serial	USB 3.2 Gen 1 (3.1 Gen 1)
Serial ports quantityKnown for one	4	Unknown — not stated by the source
Serial interface typeKnown for one	RS-232/422/485	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	4
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Green
Features1 differ
ChipsetDiffers	SystemBase SB16C1052PCI	Renesas/NEC uPD720202
FIFO (First In, First Out)Known for one	256 B	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 100 °C	5 - 85 °C
Storage temperature (T-T)Differs	0 - 150 °C	-65 - 150 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
System requirementsidentical
Windows operating systems supportedKnown for one	Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Compliance certificates	RoHS	RoHS
Weight & dimensions4 differ
WidthDiffers	125 mm	171 mm
DepthDiffers	70 mm	73.2 mm
HeightDiffers	20 mm	19 mm
WeightDiffers	67.4 g	60 g
Packaging data4 differ
User guideKnown for one	Yes	Unknown — not stated by the source
Package widthDiffers	146 mm	210 mm
Package depthDiffers	210 mm	145 mm
Package heightDiffers	41 mm	38 mm
Package weightDiffers	390 g	171.6 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source
Products per master (outer) caseKnown for one	25 pc(s)	Unknown — not stated by the source
Master (outer) case widthKnown for one	344 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	474 mm	Unknown — not stated by the source
Master (outer) case heightKnown for one	240 mm	Unknown — not stated by the source
Other features1 differ
Data transfer rateDiffers	0.4608 Mbit/s	5 Gbit/s
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP (32/64-bit)/ Server 2003 (32/64-bit)/ Vista (32/64-bit)/ Server 2008 R2/ 7 (32/64-bit)/ 8 (32/64-bit)

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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