Features: brand new and high quality PXE 8112 supports the forward and reverse bridging defined by PCI to PCI for Express / PCI-X Bridge Specification 1.0. Compliant with PCI for Express specification version 1.0 PCI for Express 1 lane port (1 virtual lane), 2.5Gbps; Combination low profile PCI 32-bit host card Support PCI slot 3.3V/1A, 3.3Vaux/100mA, 5V/ and 12V/500m Plug and for play No driver required. Support for Windows Server 2000 / NT / XP / Vista / Win 7, Linux Available PCI slots Specifications: Item: PCI to PCI for Express Conversion Card Chipset: PXE8112 Compliant with: PCI specification version 2.3 PCI 32-bit card for : PCI for Express x1, x4, x8 or x16 Speed: 2.5Gbps Size: approx 13.1x3.9cm/5.16x1.53in Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x PCI to PCI for Express Conversion Card PXE8112