Add 2 RS-232 serial ports to your standard or small form factor computer through a 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 & 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 & low-profile/half-height brackets for compatibility with standard & small form factor computers, & is compatible with a broad range of operating systems, including Windows 7/ Server 2008 R2, 2003/ Vista/XP (32 & 64 bit), Linux Kernel 2.6.11 & up, as well as MAC OS 10.5 & above. This product is a replacement for the PEX2S552B card.