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Startech.Com Pex4S953Lp 4Port Pci-E Rs232 Serial Card 16950 Uart Low Profile
Startech.Com Pex4S953Lp 4Port Pci-E Rs232 Serial Card 16950 Uart Low Profile

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Condition :New

Price: $137.99
Sale Price: $126.60
Savings: $11.39
UPC : 065030887052

Quantity in Stock:61

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StarTech.com PEX4S953LP interface cards/adapter Serial Internal

PCI Express to Serial Adapter | 921.6Kbps | Windows and Linux Compatible

This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. The 4 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 Compatibility

With broad OS support, including for Windows and Linux, this PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with low-profile brackets, and includes

optional full-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX4S952LP.

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 921.6Kbps

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

PCI Express 1.1 compliant

The Choice of IT Pros Since 1985

StarTech.com 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 StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.

PEX4S03LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage

- Install in home or office workstations
- Connect to automated self-service kiosks or ATM machines
- Connect in retail POS applications
- Connect serial printers and other legacy devices to modern computers

StarTech.com 4 Port PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile - 256-byte FIFO Cache - Windows & Linux (PEX4S953LP)


  • RoHS compliance: Y
  • Certification: REACH, CE, FCC
  • Chipset: Asix AX99100
  • Data bits: 5,6,7,8,9
  • FIFO (First In, First Out): 256
  • Internal: Y
  • Product color: Green
  • Stop bits: 1,1.5,2
  • Host interface: PCIe
  • Output interface: Serial
  • Expansion card standard: PCIe 1.1
  • Baud rate: 921.6
  • Quantity: 1
  • 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 Ente
  • 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
  • Width: 75
  • Depth: 63
  • Height: 18
  • Weight: 370
  • Package weight: 386
  • Package width: 213
  • Package depth: 149
  • Package height: 51
  • Quick installation guide: Y
  • Cables included: Serial
  • Operating temperature (T-T): -10 - 80
  • Storage temperature (T-T): -20 - 100
  • Operating relative humidity (H-H): 5 - 85
  • Quantity per master (outer) case: 16
  • Master (outer) case length: 350
  • Master (outer) case height: 235
  • Master (outer) case width: 480