Maximum bandwidth up to PCIe Gen3 x4 specification. Compliant with PCI Express M.2 specification 1.0. Supports M.2 modules in format 2280, 2260, 2242 and 2230 with Key-M or Key-B+M based on PCI Express communication. PCBA layout routing length less than 1.5inch between PCIe and M.2 slot. Compliant Full High and Low Profile PCIe bracket (Optional Accessory). Plug-n-Play, I/O address and IRQ assigned by BIOS. Certified by CE, FCC, VCCI, BSMI, and RoHS approval. Driver free under Windows, Linux, or other operating systems.