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StarTech.com 1-Port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller - Low Profile

$53.99
Mfg # PEX1S553LP CDW # 2211527 | UNSPSC 43201559

Quick tech specs

  • 1 port DB9 serial controller card w/ 16550 UART using ASIX MCS9922CV-AA w/bi-directional RS232 speeds up to 460.8Kbps per port; avail. 256 byte FIFO buffer | Upgraded version of our popular card PEX1S552LP
  • Expansion card pre-installed w/ 1x low profile PCI-e bracket (standard profile incl.)
  • Use in PLCs/control/automation/- medical/scanners
  • PCI Express RS232 serial adapter card w/power output of 12v/5v/none on DB9 pin 9
  • Windows XP and up/Linux
  • Lifetime warranty
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Know your gear

The PEX1S553LP PCI Express Serial Card turns a PCI Express slot into an RS232 (DB9) serial connection.

The card is constructed using a native single chip design that lets you 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 PCI Express RS232 Serial Adapter Card is compatible with a broad range of operating systems, including Windows® 2000/XP/2003/Vista™/Windows 7/Server 2008 R2 (32 and 64 bit), Linux Kernel 2.6.11 to 4.11.x, and ships with a low profile/half-height bracket installed, but includes an optional full profile bracket that lets you add a serial port to virtually any computer (regardless of the case form factor).

This product is a replacement for our PEX1S552LP card.

Backed by a StarTech.com Lifetime warranty and free lifetime technical support.
$53.99
Advertised Price
Availability: 153 units In Stock
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StarTech.com 1-Port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller - Low Profile

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StarTech.com 1-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 is rated 4.33 out of 5 by 3.
Rated 5 out of 5 by from Suggestion for documentation An arrow showing where pin 1 is for the parallel cable would've been helpful. The stock photo provided on Amazon, CDW, and shown on the box contradicts what is show on the front of the manual.
Date published: 2014-09-30T00:00:00-04:00
Rated 5 out of 5 by from Great support Purchased this product, couldn't get the driver installed. Spoke with support via chat and they remotely connected and fixed the problem. A+ very impressed. Thank you!
Date published: 2016-12-07T00:00:00-05:00
Rated 5 out of 5 by from Works perfectly We use these cards for all our PCs that connect to scientific instruments (Agilent etc). No problems getting the drivers installed or the instruments to communicate. Solid cards that just work. Can't recommend them enough.
Date published: 2017-02-22T00:00:00-05:00