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 WindowsÂ® 2000/XP/2003/Vistaâ„¢/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 StarTech.com Lifetime warranty and free lifetime technical support.
â€¢ Two high speed RS232 serial ports with support for data transfer rates up to 460.8 Kbps
â€¢ Includes half-height/low profile mounting bracket
â€¢ Selectable power output on pin 9 for the serial port
â€¢ 128-byte deep FIFO per transmitter and receiver
â€¢ Native single-Chip, single lane PCI Express
2 – DB9 Male
Maximum Date Transfer Rate
Selectable power output on pin 9 of the serial port
Number of Ports
Shipping (Package) Weight
0.42 lb 0.19 kg
x1, x2, x4, x8, x16(lane)
Low / Standard Profile
-20C to 85C (-4degF to 185F)
-40C to 85C (-40degF to 185F)
DOS, Windows 95/ 98SE/ 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Linux, and Mac OS 10.4.x and up
Windows XP Embedded/ POS Ready 2009/ Embedded System 2009 OS/ CE 5.0/ CE 6.0
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