Product comparison · 2 interface cards/adapters

StarTech.com 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection vs StarTech.com 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485

21specifications compared
15differ
6identical
4known for one product only

Key differences

Serial ports quantity
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:2
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:8
Serial interface type
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:RS-232
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:RS-232/422/485
Data transfer rate (max)
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:0.0009216 Gbit/s
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:0.4608 Gbit/s
Operating temperature (T-T)
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:-30 - 75 °C
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:0 - 100 °C
Storage temperature (T-T)
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:-40 - 85 °C
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:-65 - 150 °C
Operating relative humidity (H-H)
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:5 - 95%
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:20 - 80%
Width
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:98 mm
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:18 mm
Depth
- 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection:121 mm
- 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485:170 mm

Side by side

Differences highlightedShow differences only

Comparison of PEX2S553S, PEX8S232485
25 specifications	A StarTech.com 2 Port Industrial PCI Express (PCIe) RS232 Serial Card w/ Power Output and ESD Protection Model PEX2S553S View product	B StarTech.com 8 Port PCI Express (PCIe) RS-232/422/485 Serial Card - 4 x RS232 4 x RS422 / RS485 Model PEX8S232485 View product
Ports & interfaces2 differ
Serial ports quantityDiffers	2	8
Serial interface typeDiffers	RS-232	RS-232/422/485
Features1 differ
Data transfer rate (max)Differs	0.0009216 Gbit/s	0.4608 Gbit/s
Operational conditions3 differ
Operating temperature (T-T)Differs	-30 - 75 °C	0 - 100 °C
Storage temperature (T-T)Differs	-40 - 85 °C	-65 - 150 °C
Operating relative humidity (H-H)Differs	5 - 95%	20 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
System requirements1 differ
Windows operating systems supportedDiffers	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Ba	Yes
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	98 mm	18 mm
DepthDiffers	121 mm	170 mm
HeightDiffers	18 mm	68 mm
WeightDiffers	59 g	83 g
Packaging data4 differ
User guideKnown for one	Yes	Unknown — not stated by the source
Package widthDiffers	170 mm	150 mm
Package depthDiffers	142 mm	215 mm
Package heightDiffers	30 mm	50 mm
Package weightDiffers	171 g	553 g
Quick installation guideKnown 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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