Pci-e Parallel Serial Combo Card With 16550 2 Port

 Without VATWith VAT
Base Price:€36,62€44,32
Part Number: PEX2S553
Language: UK
Minimum Order Quantity: 1

Product Details


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.

The RS232 Serial Adapter Card (PEX2S553) is compatible with a broad range of operating systems including Windows® 2000/XP/2003/VistaT/Windows 7/Server 2008 R2 (32 and 64 bit), Linux Kernel 2.6.11 and up, and MAC OS 10.4 and above.

Plus, the serial card includes an optional half-height/low profile bracket that allows the card to be installed in any PCI Express slot, regardless of the size of the computer case.

This product is a replacement for our PEX2S552 card.

Backed by a Lifetime warranty and free lifetime technical support.

Benefits and Features:

  • Native single-chip, single lane PCI Express chipset delivers true PCIe performance
  • Standard and low profile/half-height bracket included to ensure fitment in any system
  • Easy to install and use with full step-by-step instructions saving time and hassle
  • Two high speed RS232 serial ports with support for data transfer rates up to 460.8 Kbps
  • Compliant with PCI Express base specifications revision 1.0a
  • Includes half-height/low profile mounting bracket
  • Selectable power output on pin 9 for the serial port
  • 128-byte deep FIFO per transmitter and receiver
  • Native single-Chip, single lane PCI Express
  • Automated out-of-band flow control using CTS/RTS and DSR/DTR
  • Automated in-band software flow control using programmable Xon/Xoff in both directions


Connector Type(s)PCI Express x1 Male
External PortsDB-9 (9 pin; D-Sub) Male
Internal PortsLP4 (4 pin; Molex Large Drive Power) Male
Humidity5~85% 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)
Bus TypePCI Express
Card TypeStandard Profile (LP bracket incl.)
Chipset IDASIX/MosChip - MCS9922CV-AA
Port StyleIntegrated on Card
Package Contents
Included in Package2 Port PCI-Express Serial Card
Driver CD
Instruction Manual
Low Profile Brackets
Packaging Information
Shipping (Package) Weight0.2 kg [0.4 lb]
FIFO128 Bytes
Max Baud Rate460.8 Kbps
Serial ProtocolRS-232
Physical Characteristics
Product Height20 mm [0.8 in]
Product Length105 mm [4.1 in]
Product Weight63.5 g [2.2 oz]
Product Width120 mm [4.7 in]
OS CompatibilityWindows® 8 / 8.1 (32/64bit), 7 (32/64), Vista (32/64), XP (32/64), XP Embedded, POS Ready 2009, Embedded System 2009, CE 5.0/6.0, 2000, 98SE, 95, DOS
Windows Server® 2012, 2008 R2, 2003
Mac OS® 10.4 and up (Tested up to 10.9)
Linux kernel 2.6.x
Special Notes / Requirements
NoteSelectable power output on pin 9 of the serial port