StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 - PCI-E Serial Card

Add 2 high speed RS 232 serial ports to your low profilesmall form factor computer with a PCI Express expansion slot Native single Chip, single lane PCI Express; 48% less cpu load, and increased performance Pre configured with half height mounting bracket for low profile systems, but includes a full profile bracket for versatili Easy to install and use with full step by step instructions saves time and hassle The PEX2S553LP low profilehalf height PCI Express Serial Card turns a PCI Express slot into two RS232 DB9 serial connections. 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 2000XP2003VistaWindows 7Server 2008 R2 32 and 64 bit, Linux Kernel 2.6.11 and up, and ships with a low profilehalf height bracket installed but includes an optional full profile bracket that lets you add 2 serial ports to virtually any computer regardless of the case form factor. This product is a replacement for our PEX2S552LP card. Backed by a StarTech.com Lifetime warranty and free lifetime technical support. Whats in the box PCI Express Serial Card DB9 Ribbon cable Full Profile Bracket Low profile bracket Driver CD Instruction Manual