StarTech.com · Interface Cards/Adapters

StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo price in United Kingdom

Model 21050-PC-SERIAL-CARDMPN 21050-PC-SERIAL-CARDEAN 065030894760

Weight51 g
ColourYellow
Host interfacePCIe
InternalYes

Lowest price incl. delivery

£41.23

at PCHUB.UKFree deliveryIn stock

2 stores
Range £41.23 – £51.99
Save up to £10.76 vs. the dearest store
2 in stock
2 with free delivery
Checked 5 Oct 2026, 18:25 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

2 stores · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£41.23at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Save up to £10.76 (21%) by choosing the cheapest store

2 of 2 stores in stock
2 with free shipping
Checked 5 Oct 2026, 18:25 UTC

PCHUB.UKLowest priceStarTech.com 2-Port PCI Express Serial Card. Dual Port PCIe to RS232 ( In stockFree shipping
£41.23incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the OfficeStarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windows & Linux - TAA In stockFree shipping
£51.99incl. free shipping+£10.76 (26%) vs lowest
Go to store : Back to the Office (opens in a new tab)

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Product details

Identification

Brand: StarTech.com
Product: 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo
Full name: StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windo
Manufacturer part number: 21050-PC-SERIAL-CARD
EAN / UPC: 065030894760
Category: Interface Cards/Adapters

37 specifications from the manufacturer's data sheet

Ports & interfaces

Host interface	PCIe
Output interface	Serial
Expansion card form factor	Full-height / Low-profile
Expansion card standard	PCI 2.0
Serial ports quantity	2
Serial interface type	RS-232

Design

Internal	Yes
Product colour	Yellow
LED indicators	Activity

Features

Chipset	ASIX - AX99100, ASIX - ZT3243LFEY
Baud rate	921.6 Kbit/s
FIFO (First In, First Out)	256 B
Data bits	5, 6, 7, 8, 9
Flow control support	Yes
Parity bit	Even, Mark, No, Odd, Space

Operational conditions

Operating temperature (T-T)	0 - 55 °C
Storage temperature (T-T)	-40 - 75 °C
Operating relative humidity (H-H)	5 - 95%

System requirements

Windows operating systems supported	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Ent
Linux operating systems supported	Yes
Server operating systems supported	Windows Server 2016, Windows Server 2019

Technical details

Compliance certificates	CE, RoHS

Weight & dimensions

Width	65 mm
Depth	67 mm
Height	18 mm
Weight	51 g

Packaging data

Mounting brackets included	Yes
Quick installation guide	Yes
Package width	144 mm
Package depth	212 mm
Package height	43 mm
Package weight	200 g

Logistics data

Harmonized System (HS) code	84733020
Products per master (outer) case	50 pc(s)
Master (outer) case width	530 mm
Master (outer) case length	440 mm
Master (outer) case height	340 mm