Product comparison · 2 interface cards/adapters

StarTech.com 1 Port PCI RS232 Serial Adapter Card vs StarTech.com 4 Port PCI RS422 RS485 Serial Adapter Card

Key differences

Certification
- 1 Port PCI RS232 Serial Adapter Card:CE, FC
- 4 Port PCI RS422 RS485 Serial Adapter Card:CE, FC, UL
Operating temperature (T-T)
- 1 Port PCI RS232 Serial Adapter Card:0 - 57 °C
- 4 Port PCI RS422 RS485 Serial Adapter Card:0 - 55 °C
Ports quantity
- 1 Port PCI RS232 Serial Adapter Card:1
- 4 Port PCI RS422 RS485 Serial Adapter Card:4
I/O ports
- 1 Port PCI RS232 Serial Adapter Card:1xDB9 Male
- 4 Port PCI RS422 RS485 Serial Adapter Card:4xDB 9-pin Male

Differences highlightedShow differences only

Comparison of 1 Port PCI RS232 Serial Adapter Card, 4 Port PCI RS422 RS485 Serial Adapter Card
19 specifications	A StarTech.com 1 Port PCI RS232 Serial Adapter Card View product	B StarTech.com 4 Port PCI RS422 RS485 Serial Adapter Card View product
Ports & interfacesidentical
Host interface	PCI	PCI
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	Unknown — not stated by the source	4
Design1 differ
CertificationDiffers	CE, FC	CE, FC, UL
Product colourKnown for one	Unknown — not stated by the source	Green
Features1 differ
ChipsetDiffers	SUN1889	TI TL16C554A / PLX PCI9030-AA60PI F
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 57 °C	0 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	0 - 65 °C
Weight & dimensionsidentical
WidthKnown for one	17 mm	Unknown — not stated by the source
DepthKnown for one	120 mm	Unknown — not stated by the source
HeightKnown for one	50 mm	Unknown — not stated by the source
WeightKnown for one	50 g	Unknown — not stated by the source
Other features2 differ
Ports quantityDiffers	1	4
Connectivity technology	Wireless	Wireless
Compatible operating systemsKnown for one	Windows 3.1/95/98/98SE/2000/XP/Server 2003/Vista DOS Linux	Unknown — not stated by the source
I/O portsDiffers	1xDB9 Male	4xDB 9-pin Male
Data transfer rateKnown for one	Unknown — not stated by the source	0.23 Mbit/s
Mac compatibilityKnown for one	Unknown — not stated by the source	No

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.