PCI Express base Specification 1.1 (Up to 2.5G pbs). USB Specification, Release 2.0 Hi-Speed (Up to 480Mbps).; Support PCI-E 1X/ 4X/ 8X/16 card, but only reach 1X Speed.; Supports both PCI Express based and USB 2.0 based NGFF slot.; Compatible with Windows 2000/win7/win8/win10/Win11.;
Power Supply: 3.3V (For PCIe Slot, from NGFF slot), 5V (For USB, from FDD 4 pin), 12V (For PCIe).