PCI-e Rs232 Serial Adapter Card With 16550 Uart 4 Port

 Without VATWith VAT
Base Price:€84,01€101,65
Recupel:+ €0,01+ €0,01
Part Number: PEX4S553
Language: UK
Minimum Order Quantity: 1

Product Details


The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART lets you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot.

Based on a native single-chip design, this 4-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge-chip serial cards.

The RS232 Serial Adapter Card includes 4 half-height/low-profile brackets, allowing the card to be installed into almost any PC case, regardless of form factor.

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, up to 48% more efficient than bridge chip designs
  • Standard and low profile/half-height brackets included to ensure fitment in any system
  • Four high speed RS232 serial ports, with support for data transfer rates up to 128000bps
  • 256-byte deep FIFO per transmitter and receiver
  • Native single-Chip, single lane PCI Express
  • Includes half-height/low profile mounting brackets
  • Built-in 16C450/550 compatible UART
  • Compliant with PCI Express Base Specification 1.1


Connector Type(s)PCI Express x1 Male
External PortsDB-9 (9 pin; D-Sub) Male
Humidity5~85% RH
Operating Temperature0°C to 50°C (32°F to 122°F)
Storage Temperature-20°C to 60°C (4°F to 140°F)
Bus TypePCI Express
Card TypeStandard Profile (LP bracket incl.)
Chipset IDASIX/MosChip - MCS9904CV-AA
Port StyleIntegrated on Card
Package Contents
Included in Package4 Port PCI-Express RS-232 Serial Card
Bracket with 2 DB9 male ports
Driver CD
Instruction Manual
Low Profile Brackets
Packaging Information
Shipping (Package) Weight0.2 kg [0.5 lb]
Data Bits5, 6, 7, 8
FIFO256 bytes
Max Baud Rate128 Kbps
Parity5, 6, 7, 8
Serial ProtocolRS-232
Physical Characteristics
Product Height19 mm [0.7 in]
Product Length120 mm [4.7 in]
Product Weight80 g [2.8 oz]
Product Width130 mm [5.1 in]
Microsoft WHQL CertifiedYes
OS CompatibilityWindows® 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64)
Windows Server® 2012, 2008 R2, 2003