4 Port PCIe Serial Adapter Card with 16550 PEX4S553

Save $6.32
StarTech.comSKU: PEX4S553

Sale price$142.99 Regular price$149.31
Only 11 units left


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.

More from the Manufacturer

  • Compliant with PCI Express Base Specification 1.1
  • Built-in 16C450/550 compatible UART
  • Native single-Chip, single lane PCI Express
  • Includes half-height/low profile mounting brackets
  • 256-byte deep FIFO per transmitter and receiver
  • Four high speed RS232 serial ports, with support for data transfer rates up to 128000bps
. .
  • Environmental Certification : RoHS,WEEE,REACH
  • Environmentally Friendly : Yes
  • Platform Supported : PC
  • Limited Warranty : Lifetime
  • Number of Serial Ports (External) : 4
  • Packaged Quantity : 1
  • Form Factor : Plug-in Card
  • Manufacturer Website Address :
  • Package Contents :
    • 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
    • 1 x Full Profile Bracket With Two DB9 Connectors
    • 4 x Low Profile Bracket
    • 1 x Driver CD
    • 1 x Instruction Manual
  • Product Type : Serial Adapter
  • Card Height : Dual-profile
  • Host Interface : PCI Express x1
  • Manufacturer :
  • Country of Origin : China
  • UART Type : 16550,16C450

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