StarTech.com · Interface Cards/Adapters

StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART price in United Kingdom

Model MPEX4S552MPN MPEX4S552EAN 5436639785271EAN 065030844611

Weight150 g
ColourGreen
Host interfaceMini PCI Express
InternalYes

Lowest price incl. delivery

£47.98

at Back to the OfficeIn stock

1 store
1 in stock
Checked 6 Oct 2026, 17:41 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 6 Oct 2026, 17:41 UTC

Lowest price£47.98at Back to the Office · incl. shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
0 with free shipping
Checked 6 Oct 2026, 17:41 UTC

Back to the OfficeLowest priceStarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART In stock£4.99 shipping
£47.98£42.99 + £4.99 shipping
Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 17:41 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Best price · Back to the Office£47.98

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Product details

Identification

Brand: StarTech.com
Product: 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART
Full name: StarTech.com 4 Port RS232 Mini PCI Express Serial Card w/ 16650 UART
Manufacturer part number: MPEX4S552
EAN / UPC: 5436639785271, 065030844611, 172302676105, 745449856572, 851975728723, 999996646111, 5054565277853, 5054629277850
Category: Interface Cards/Adapters

27 specifications from the manufacturer's data sheet

Ports & interfaces

Host interface	Mini PCI Express
Output interface	Serial
Serial ports quantity	4
Serial interface type	RS-232

Design

Internal	Yes
Product colour	Green

Features

Chipset	MosChip MCS9904CV-AA
FIFO (First In, First Out)	256 B

Operational conditions

Operating temperature (T-T)	0 - 55 °C
Storage temperature (T-T)	-20 - 85 °C
Operating relative humidity (H-H)	5 - 95%

System requirements

Windows operating systems supported	Yes
Linux operating systems supported	Yes

Weight & dimensions

Width	10 mm
Depth	51 mm
Height	30 mm
Weight	150 g

Packaging data

User guide	Yes
Package width	145 mm
Package depth	212 mm
Package height	40 mm
Package weight	200 g

Logistics data

Harmonized System (HS) code	84733020

Other features

Data transfer rate	0.921 Mbit/s
Compatible operating systems	Windows 7 (32/64bit)/ Vista(32/64)/ XP(32/64)/ CE 6.0 Windows Server 2008 R2/ 2003(32/64)/ 2000 Linux 2.6.x
Compliance industry standards	PCI Express 1.1
Quantity outer carton	50 pc(s)

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