Home > Products > Computers/Tablets & Networking > Computer Components & Parts > Interface/Add-On Cards >

Startech.Com Pex2S953Lp 2Port Rs232 Serial Port Pci Express Card 16950 Uart
Startech.Com Pex2S953Lp 2Port Rs232 Serial Port Pci Express Card 16950 Uart

Alternative Views:



Condition :New

Price: $75.99
Sale Price: $62.92
Savings: $13.07
UPC : 065030881166
Shipping From: Shipping from USA

Quantity in Stock:82

Order Now & Get it by:


StarTech.com PEX2S953LP interface cards/adapter Serial Internal

PCI Express to Serial Adapter | 921.4Kbps | Windows and Linux Compatible

This RS232 Serial Adapter Card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. It enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.4Kbps.

Maximum Compatibility

With broad OS support, including for Windows and Linux, this PCI Express card is easy to integrate into mixed environments. The card comes pre-configured with a low-profile bracket, and includes an optional full-profile bracket, so installation is easy regardless of the case form factor.

Experience Optimal Technology

This PCIe to serial adapter supports the following features:

Compatible with industry standard 16950 UART

Supports max baud rate of up-to 921.4Kbps

Provides 5/12V power output on Pin 9 when external power is connected

128-byte depth FIFO per transmitter and receiver

Supports 9, 8, 7, 6, 5 data bits

Asix AX99100 chipset

PCI Express 1.1 compliant

PEX2S953LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage

- Add RS232 DB9 capabilities without purchasing a server or computer
- PCI Express 1.1 compliant, ensuring a reliable performance
- Maximize case form factor integration with a low-profile or full profile bracket

StarTech.com 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible


  • Internal: Y
  • Host interface: Mini PCI Express
  • RoHS compliance: Y
  • Certification: REACH, CE, FCC
  • Chipset: Asix AX99100
  • Output interface: Serial
  • Data bits: 5,6,7,8,9
  • FIFO (First In, First Out): 256
  • Baud rate: 921.6
  • Stop bits: 1,1.5,2
  • Peripheral (Molex) power connectors (4-pin): 1
  • Serial interface type: RS-232
  • Server operating systems supported: Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
  • Linux operating systems supported: Y
  • Operating temperature (T-T): -10 - 80
  • Storage temperature (T-T): -20 - 100
  • Operating relative humidity (H-H): 5 - 85
  • Height: 18
  • Depth: 98
  • Width: 67
  • Weight: 55.6
  • Package height: 30
  • Package depth: 170
  • Package width: 142
  • Package weight: 146.4
  • Quantity: 1
  • Mounting brackets included: Y
  • Manual: Y
  • Expansion card standard: PCIe 1.1