Features: This is M.2 to Sata 3.0 4 Ports expansion card.Plug and -play, convenient to use. Equipped with 4 Sata 3.0 ports, each port provides up to 6Gbps transmission rate.for M 2 NVME or PCI-E protocol slot, Does Not support NGFF-SATA protocol Adopt ASM1064 chip scheme, high speed and stable performance. Not only can meet the high-end transmission standards, but also has good compatibility.Widely compatible with Linux, Win8, Win8.1, Win10(32/64 bit), etc. Function: transfer the idle mainboard KEY-M M.2 slot out of four SATA3.0 6Gbps interfaces Please note: only support 2280 size slots . Specifications: Specification: Type: M.2 to Sata3.0 Adapter Card Model: M2T4SAT-AM1 Interface: 4 Sata3.0 6Gbps Input interface: only NVME or PCI-E protocol is supported, but not Sata protocol interface Interface rate: PCI-E 3.0 Supported slots: M.2 Key-M or Key-B Main Control:ASMedia ASM1064 Data rate: 6Gbps(each Sata port) System requirement: Linux Win8, Win8.1, Win10(32/64 bit), etc. Item size: approx 8x 2.3cm /3.15 x 0.91in Package Includes: 1 PC x Adapter card note: Please note: only support 2280 size slots . Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.