PCI Express base Specification 1.1 (Up to 2.5G pbs)?, USB Specification, Release 2.0 Hi-Speed (Up to 480Mbps).; Compatible with Windows 2000/win7/win8/win10. Support both PCI Express based and USB 2.0 based Mini PCI-E slot.;
Power Supply: 3.3V (For PCIe Slot, from Mini PCI-E slot),? 5V (For USB, from FDD 4 pin), 12V (For PCIe, from FDD 4pin). No drivers needed for this Adapter. Magnetic Pad Design and Easy Installation, Plug and Play.;
X4 Vertical Installation Version:? Support PCI-E 1X/4X/8x/16x card.
X4 Horizontal Installation Version:? Support PCI-E 1X/4X card.;
X8 Vertical Installation Version:? Support PCI-E 1X/4X/8x/16x card.
X8 Horizontal Installation Version:? Support PCI-E 1X/4X/8X card.