StarTech 4-port PCI Express RS232 Serial Adapter Card - PCIe to Serial — Network Hardwares Skip to content

StarTech 4-port PCI Express RS232 Serial Adapter Card - PCIe to Serial DB9 RS-232 Controller Card - 16950 UART - Windows/Linux (PEX4S953)

in stock, ready to be shipped
Original price $105.24 - Original price $105.24
Original price
$105.24 - $105.24
Current price $105.24


Delivery time

We ship orders 24-48 hours after they have been placed. We do not charge before we ship them out. It might take up to an additional 48 hours to ship international orders.

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This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. 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 multiport PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket, and includes an optional low-profile bracket, so installation is easy regardless of the case form factor. This expansion card is a direct replacement for PEX4S952.

Experience Optimal Technology

This 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
The Choice of IT Pros Since 1985 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.

PEX4S953 is backed by a lifetime warranty and free lifetime technical support. PEX4S953 Tech Specs

General Information
Manufacturer Part Number:PEX4S953
Product Name:4 Port Full Profile Serial Card
Packaged Quantity:1
Product Type:Multiport Serial Adapter
Technical Information
Host Interface:PCI Express 1.1
Maximum Data Transfer Rate:921.60 kbit/s
UART Type:16950
Platform Supported:PC
Ports Expandability:4 x DB-9 RS-232 - Serial, Via Cable
Physical Characteristics
Form Factor:Plug-in Card
Package Contents:
  • 4 Port Full Profile Serial Card
  • 1 x Low Profile Bracket
  • 1 x Break-out Cable
  • 1 x Quick Start Guide
Environmentally Friendly:Yes
Environmental Certification:RoHS
Country of Origin:Taiwan
Limited Warranty:Lifetime

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