STARTECH.COM Pci-e Parallel Serial Combo Card With 16550 2 Port W/ Breakout Cable

Add two RS232 serial ports to any PC using a single PCI Express expansion slot
The PEX2S553B 2-Port PCI Express Serial Card w/ Breakout Cable lets you add two RS232 serial ports using a single PCIe expansion slot. With the included break-out cable, you can easily add two ports to a single low profile slot.
The PCIe serial card features a native single-chip design that provides optimum reliability and speed, reducing the CPU load by up to 48% over conventional bridge-chip serial cards - a cost-effective solution for connecting legacy serial devices to PCIe enabled computers.
The multiport PCIe Serial Adapter includes both full and low-profile/half-height brackets for compatibility with standard and small form factor computers, and is compatible with a broad range of operating systems, including Windows® 7/Server 2008 R2, 2003/Vista/XP (32 and 64 bit), Linux Kernel 2.6.11 and up, as well as MAC OS 10.5 and above.
This product is a replacement for our PEX2S552B card.
Backed by a StarTech.com lifetime warranty and free lifetime technical support.
The StarTech.com Advantage
- Lower CPU load of native single-chip, single lane PCI Express design ensures optimal system performance (up to 48% less CPU load)
- Included standard and low profile/half-height brackets makes this the perfect card for any application including small form factor embedded applications
- Breakout cable design means that only one expansion slot is needed to add 2 serial ports to any system