StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Add 4 RS 232 serial ports to your standard or small form factor computer through a PCI Express expansion slot Native single chip, single lane PCI Express chipset delivers true PCIe performance, up to 48% more efficient than bridge chip designs Standard and low profilehalf height brackets included to ensure fitment in any system 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 heightlow profile brackets, allowing the card to be installed into almost any PC case, regardless of form factor. Backed by a StarTech.com Lifetime warranty and free lifetime technical support. Whats in the box 4 Port PCI Express RS 232 Serial Card Bracket with 2 DB9 male ports Low Profile Brackets Driver CD Instruction Manual