Features: brand new and high quality Converts a PCI Express X1 slot into a regular PCI slot-use legacy PCI devices on your PC. Easy Installation no need driver. Provide 4 pin power connector (uses standard 12V and 5V drive power plug). PCI Express 1 Lane Port (1 virtual channel), 2.5Gbps perdirection. Supports PCI 32 bit 33/66MHz bus two slot. Compliant PCI Express Specification Version 1.0a/1.1. Compliant PCI Specification Version 3.0. Supports PCI slot 3.3V/1A, 3.3V/100mA, 5V/5A and 12V/500mA. OS support: Windows 98/2000/NT/2003/XP/Vista/2008/Win7/8/10& Linux. Specifications: Name: PCIe X1 to PCI Adapter Card Chip: ASM1083 PCIE PCB size: 61x58mm (including the total length of USB interface 68mm) 2 PCI size：132x56mm 1 PCI size：132x37mm Type :1 PCI, 2 PCI(optional) SATA to 4-pin Power cable size: 55mm USB cable size: 60mm (including USB interface) Material:ABS+Metal colour:green Package Includes: 1 x PCI-Express To PCI Adapter Card note: No retail package. 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!