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

StarTech 4-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows/Linux (PEX4S953LP)

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.

All deliveries are carbon neutral
Powered by Shopify Planet PEX4S953LP

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 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.

PEX4S03LP is backed by a lifetime warranty and free lifetime technical support. PEX4S953LP Tech Specs

General Information
Manufacturer Part Number:PEX4S953LP
Product Name:4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile
Packaged Quantity:1
Product Type:Multiport Serial Adapter
Technical Information
Host Interface:PCI Express 1.1 x1
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 PCI Express RS232 Serial Adapter Card - 16950 UART - Low Profile
  • 1 x 4-Port DB9 Break-out Cable
  • 1 x Full Profile Bracket
  • 1 x Quick-Start Guide
Environmentally Friendly:Yes
Environmental Certification:RoHS
Country of Origin:Taiwan
Limited Warranty:Lifetime

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare