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2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

  • SKU: 4312919
  • Manufacturer: STARTECH.COM
  • MPN: PEX2S553
  • Availability: USUALLY SHIPS WITHIN 3-5 DAYS
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2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

The PEX2S553 PCI Express serial card lets you turn a PCI Express slot into 2 RS232 (DB9) serial ports. Based on a native single chip design (no bridge chip), this 2-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), and reducing the load applied to the CPU by as much as 48% over conventional serial cards.

Warranty Information
Warranty 2 Years
Bus Type PCI Express
Card Type Standard Profile (LP bracket incl.)
Chipset ID ASIX/MosChip - MCS9922CV-AA
Interface Serial
Port Style Integrated on Card
Ports 2
FIFO 128 Bytes
Max Baud Rate 460.8 Kbps
Serial Protocol RS-232
Connector Type(s) 1 - PCI Express x1 Male
External Ports 2 - DB-9 (9 pin; D-Sub) Male
Internal Ports 1 - LP4 (4 pin; Molex Large Drive Power) Male
OS Compatibility Windows® DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2
Mac OS X® 10.4 to 10.10
Linux kernel 2.6.x to 4.4.x LTS Versions only
Special Notes / Requirements
Note Selectable power output on pin 9 of the serial port
Humidity 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
Color Green
Product Height 0.8 in [20 mm]
Product Length 4.1 in [105 mm]
Product Weight 2.2 oz [63.5 g]
Product Width 4.7 in [120 mm]
Packaging Information
Shipping (Package) Weight 0.4 lb [0.2 kg]
What's in the Box
Included in Package 1 - 2 Port PCI-Express Serial Card
2 - Low Profile Brackets
1 - Driver CD
1 - Instruction Manual