General description 100% Brand New and High Quality. This PCI Express to PCI Slot Adapter is easy to install and plug in, providing a reliable connection for your desktop PC. Technical specifications Data transmission speed: 2.5Gbps Support for 32-bit PCI bus Bus speed: up to 66/33MHz Compatible with PCI Express 1.0 and PCI Version 2.3 Power support: 3.3V/1A, 3.3V/100mA, 5V/5A, and 12V/500mA Main Chips: ASMedia ASM1083 Operating System Compatibility: 2003/XP/VISTA/7/8/10, LINUX Compatibility and accessories Includes 2 x PCI Express x1 to PCI Riser Card Other information Color: as shown Material: metal Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.