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Home Cables & Adapters Startech 1-port PCI Express RS232 Serial Adapter Card, PCIe...

Startech 1-port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Host Controller Card, PCIe to Serial DB9 COM Port, 16950 UART, Low Profile Expansion Card, Windows/macOS/Linux - Full/Low-Profile (PEX1S953LP) - Serial adapter - PCI Express x1 low profile - RS-232 x 1

MPN PEX1S953LP EAN 0065030881159 Startech
Trade customers only
£38.40 ex VAT £46.08 inc VAT
In stock · 17 available
Trade customers only: orders need a verified business account. Prices ex VAT; VAT is added at checkout.
Quote-led: a person reviews pricing and stock before you commit.
Genuine stock with the manufacturer warranty intact.
Structured returns with credit notes when something is wrong.
Questions? 01224 600337 — Aberdeen & across the UK.
Fresh data: stock and pricing updated 22 Oct 2026.

Description

Manufacturer Code: PEX1S953LP

Overview

Startech 1-port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Host Controller Card, PCIe to Serial DB9 COM Port, 16950 UART, Low Profile Expansion Card, Windows/macOS/Linux - Full/Low-Profile (PEX1S953LP) - Serial adapter - PCI Express x1 low p is available through DCS Components. It sits within the Cables & Adapters category.

Key product details

  • Full/Low-Profile (PEX1S953LP)
  • Serial adapter
  • PCI Express x1 low p

Procurement and setup support

Available for quote while live availability remains in stock. DCS can help with procurement, compatibility checks, configuration planning, installation support and long-term managed IT lifecycle support.

EAN: 0065030881159

Specifications

Ports & interfaces
Host interfacePCIe
Output interfaceSerial
Expansion card standardPCIe 1.1
Serial ports quantity1
Serial interface typeRS-232
Peripheral (Molex) power connectors (4-pin)1
Design
InternalYes
Product colourGreen
Mean time between failures (MTBF)277385 h
Features
ChipsetAsix AX99100
Baud rate921.4 Kbit/s
FIFO (First In, First Out)256 B
Data bits5, 6, 7, 8, 9
Stop bits1, 1.5, 2
Flow control supportYes
Parity bitEven, Mark, No, Odd, Space
Flow Control typeNo, RTS/CTS, XON/XOFF
Operational conditions
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-20 - 80 °C
Operating relative humidity (H-H)20 - 80%
System requirements
Windows operating systems supportedWindows 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 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
Linux operating systems supportedYes
Server operating systems supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Technical details
Sustainability complianceYes
Compliance certificatesCE, RoHS
Weight & dimensions
Width67 mm
Depth98 mm
Height150 mm
Weight44 g
Packaging data
Quantity1
Mounting brackets includedYes
ManualYes
Package width142 mm
Package depth170 mm
Package height30 mm
Package weight112 g
Logistics data
Harmonized System (HS) code84733020
Products per master (outer) case75 pc(s)
Master (outer) case width360 mm
Master (outer) case length685 mm
Master (outer) case height315 mm
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