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Startech 8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART PEX8S952



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Add 8 RS232 serial ports to your computer via a single PCI Express slot

  • 8 high speed RS-232 serial ports with data transfer rate up to 460.8 Kbps

  • Breakout dongle cable included

  • 128-byte deep FIFO per transmitter and receiver

The PEX8S952 8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART allows you to turn a PCI Express slot into eight RS232 (DB9) serial connections using the included breakout cable.

The serial card is based on a native chip design, that allows you to harness the full capability of PCI Express (PCIe) - providing optimum reliability and speed, and reducing the load applied to the CPU by as much as 48% over conventional serial cards that use a PCI to PCIe bridge.

The RS232 Serial Adapter Card is compatible with a broad range of operating systems, including Windows®, Linux, and MAC OS for easy integration into mixed environments.

Backed by a Lifetime warranty and free lifetime technical support.

The Advantage
  • High Performance Dual Channel Oxford 950 UART provides reliability, speed and broad OS compatibility
  • Native single-Chip, single lane PCI Express design reduces overall load on the CPU
  • The included breakout cable helps to reduce cluttered connections

  • Self service automated machines and kiosks to control serial devices such as scales, touchscreens, magnetic card readers, bar code scanners, receipt printers, label printers
  • POS retail applications in grocery stores, and any other retail store to control keyboards, cash drawers, receipt printers, card readers / card swipes, scales, and elevated displays on poles
  • Bank teller workstations in either full profile or low profile versions to control their serial devices such as cash drawers, card readers / card swipes, printers, keypads / pinpads, pen pads
  • Standard ATM automated teller machines to control keypads, receipt printer, card readers / card swipes, touchscreen LCD's, camera control, etc.
  • Used to control multiple surveillance / security cameras in a parking structure, office building, etc.

Warranty Information




Bus Type

PCI Express

Card Type

Standard Profile

Chipset ID
Rev 1:

PLX/Oxford - OXPCIe958

Rev 2:

2 x PLX/Oxford - OXPCIe954



Port Style

Dongle (Included)





128 Bytes

Max Baud Rate

460.8 Kbps


87,600 Hours

Serial Protocol



Connector Type(s)

1 - PCI Express x1 Male

External Ports

8 - DB-9 (9 pin, D-Sub) Male


OS Compatibility

Windows® 98SE, ME, 2000, CE 4.2/5.0/6.0, 2000, XP Embedded, XP, Vista, 7, 8, 8.1, 10

Windows Server® 2003, 2008 R2, 2012, 2016

Linux 3.5.x to 4.4.x LTS Versions only



5~85% RH

Operating Temperature

-10°C to 80°C (14°F to 176°F)

Storage Temperature

-20°C to 100°C (-4°F to 212°F)

Physical Characteristics

Product Height

0.8 in [20 mm]

Product Length

3.5 in [90 mm]

Product Weight

2 oz [58 g]

Product Width

2.6 in [65 mm]

Packaging Information

Shipping (Package) Weight

1.4 lb [0.7 kg]

What's in the Box

Included in Package

1 - 8 Port Serial Card

1 - 8 Port DB9 Break-out cable

1 - Driver CD

1 - Instruction Manual

8 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART

Brand Name:
Form Factor: Plug-in Card
Host Interface: PCI Express
Number of Ports: 8
Product Type: Multiport Serial Adapter


Brand Name:

Form Factor:

Plug-in Card

Host Interface:

PCI Express

Number of Ports:


Product Type:

Multiport Serial Adapter
General Information

Brand Name:

Manufacturer Part Number:


Manufacturer Website Address:


Product Name:

Serial Adapter Card - PCI Express - Serial - 8 ports

Product Type:

Multiport Serial Adapter

Ports Expandability:

8 x 9-pin DB-9 Male RS-232 - Serial, Via Cable (Optional)

Environmental Certification:


Environmentally Friendly:


System Requirements:

Operating System(s):

  • Windows 8 (32/64bit)
  • Windows 7 (32/64)
  • Windows Vista (32/64)
  • Windows XP (32/64)
  • Windows XP Embedded
  • Windows CE 4.2
  • Windows CE 5.0
  • Windows CE 6.0
  • Windows 2000
  • Windows ME
  • Windows 98SE
  • Windows Server 2008 R2
  • Windows Server 2003(32/64)
  • Linux
Physical Characteristics


65 mm Height x 89.9 mm Width x 20.1 mm Thickness

Form Factor:

Plug-in Card


65 mm


20.1 mm

Weight (Approximate):

58.1 g


89.9 mm
Technical Information

Host Interface:

PCI Express

Platform Supported:



Limited Warranty:

2 Year
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SKU/Item No538039
Vendor Part NoPEX8S952
UPC/EAN Number65030834438
Our Stock **     (more info below)
QR 2D barcode QR 2D PEX8S952
Product linkNo link
Manufacturer's linkStartech
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** This is the stock level in our warehouse.
** Please check Stock Information below for out of stock items.

Stock and Freight Information

Stock Information
 Our Qty in StockAvailability and ETA
Our own stock0Usually 1-3 days (when supplier has stock)
 Supplier's Qty in StockAvailability and ETAUpdated
Supplier one
821/06/17 09:32AM

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