1.Converts a PCI Express X1 slot into a regular PCI slot-use legacy PCI devices on your PC 2.Easy Installation no need driver 3.Provide 4 pin power connector (uses standard 12V and 5V drive power plug) 4.PCI Express 1 Port (1 virtual channel), 2.5Gbps perdirection 5.Supports PCI 32 bit 33/66MHz bus two slot 6.Compliant PCI Express Specification Version 1.0a/1.1 7.Compliant PCI Specification Version 3.0 8.Supports PCI slot 3.3V/1A, 3.3V/100mA, 5V/5A and 12V/500mA 9.OS support: Windows 98/2000/NT/2003/XP/Vista/2008/Win7/8/10& Linux Name: PCIe X1 TO Dual PCI Adapter Card Chip: ASM1083 PCIE PCB size: 61x58mm (including the total length of USB interface 68mm) PCI PCB size: 132x56mm SATA to 4-pin Power cable size: 55mm USB cable size: 60mm (including USB interface) Material:ABS+Metal colour:green Package Contents: 2 x Adapter card 1 x SATA Power Cable 1 x USB Data Cable Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.