2-port PCI Express RS232 Serial Adapter Card

$79.99 2-port PCI Express RS232 Serial Adapter Card – PCIe RS232 Serial Host Controller Card – PCIe to Dual Serial DB9 Card – 16950 UART – Expansion Card – Windows & Linux (PEX2S953)

A-Power Stock (In-Store Pick up & Shipping)
View cart


PCI Express to Serial Adapter | 921.6Kbps | Windows® and Linux® CompatibleThis multiport PCI Express RS232 serial adapter card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The dual port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps.Maximum CompatibilityWith broad OS support, including for Windows and Linux, this 2 port PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-profile bracket, and includes optional low-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX2S952 .Experience Optimal TechnologyThis PCIe to serial adapter supports the following features:• Industry standard 16950 UART compatible• Supports max baud rate of up-to 921.6Kbps• Provides 5/12V power output on Pin 9 when external power is connected• 256-byte depth FIFO cache per transmitter and receiver• Supports 9, 8, 7, 6, 5 data bits (one per port)• Asix AX99100 chipset• Base PCI Express 1.1 compliant• Low and full-profile brackets includedThe Choice of IT Pros Since conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local Technical Advisors have broad product expertise and work directly with our Engineers to provide support for our customers both pre and post-sales.PEX2S953 is backed by a lifetime warranty and free lifetime technical support.The Advantage

Additional information

Weight0.45359 kg
Host interface


Output interface


Expansion card standard

PCIe 1.1

Serial ports quantity


Serial interface type




Product color


Mean time between failures (MTBF)

222366 h


Asix AX99100

Baud rate

921.6 Kbit/s

FIFO (First In, First Out)

256 B

Data bits

5, 6, 7, 8, 9

Stop bits

1, 1.5, 2

Parity bit

Even, Mark, N, Odd, Space

Flow Control type


Harmonized System (HS) code


Operating temperature (T-T)

-10 – 80 °C

Storage temperature (T-T)

-20 – 100 °C

Operating relative humidity (H-H)

5 – 85%

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 Pro, Windows 10 Pro x64, Windows 10 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 supported


Server operating systems supported

Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016

Sustainability compliance


Sustainability certificates




Quick installation guide


Quantity per master (outer) case

75 pc(s)

Master (outer) case length

13.6" (345 mm)


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Product Enquiry