Product comparison · 2 interface cards/adapters

StarTech.com 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems vs StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART

Key differences

Output interface
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:Parallel, Serial
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:Serial
Serial ports quantity
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:2
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:4
Chipset
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:MosChip MCS9901CV-CC
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:MosChip MCS9904CV-AA
Width
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:30 mm
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:10 mm
Depth
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:50 mm
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:51 mm
Height
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:8.5 mm
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:30 mm
Weight
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:10 g
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:150 g
Package depth
- 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems:210 mm
- 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART:212 mm

Differences highlightedShow differences only

Comparison of MPEX2S1P552, MPEX4S552
31 specifications	A StarTech.com 2s1p Serial Parallel Combo Mini PCI Express Card for Embedded Systems Model MPEX2S1P552 View product	B StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART Model MPEX4S552 View product
Ports & interfaces2 differ
Output interfaceDiffers	Parallel, Serial	Serial
Serial ports quantityDiffers	2	4
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Designidentical
CertificationKnown for one	Microsoft WHQL	Unknown — not stated by the source
Features1 differ
ChipsetDiffers	MosChip MCS9901CV-CC	MosChip MCS9904CV-AA
Flow control supportKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	30 mm	10 mm
DepthDiffers	50 mm	51 mm
HeightDiffers	8.5 mm	30 mm
WeightDiffers	10 g	150 g
Packaging data2 differ
Package depthDiffers	210 mm	212 mm
Package weightDiffers	195 g	200 g
User guideKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
I/O portsKnown for one	2 x RS-232 (DB-9 M) 1 x IEEE 1284 1 x DB-15	Unknown — not stated by the source
Quantity outer cartonDiffers	60 pc(s)	50 pc(s)
Data transfer rateKnown for one	Unknown — not stated by the source	0.921 Mbit/s

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.