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

Add 2 high-speed RS-232 serial ports to your low profile/small 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 profile/half-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(R) 2000/XP/2003/Vista?/Windows 7/Server 2008 R2 (32 and 64-bit), Linux Kernel 2.6.11 and up, and ships with a low profile/half-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. What?s in the box PCI-Express Serial Card DB9 Ribbon cable Full Profile Bracket Low profile bracket Driver CD Instruction Manual