Features: M-key M.2 NGFF SSD to PCI-EX4 adapter or B-key M.2 NGFF SSD to Sata adapter. The speed and other properties- is not changed, only change the interface type and without any software or drivers-. Support size: 22x30mm, 22x42mm, 22x60mm, 22x80mm M.2 Sata/NGFF-SSD. Compatible with- any operating system ( On the premise of operating system must be compatible with-your hard disk ). With two kinds of Metal sheet (length: 8cm, 12cm);With cooling holes to speed up air circulation. Specifications: Type: PCIE to M2 Adapter Internal Interface: M-Key + B-Key Dual-Port Support Slots: PCI-E 3.0X4-GEN3 (Compatible with-X4 X8 X16 slot) Support Devices: PCI-E specification m.2 NVMe and Sata specification M.2 NGFF- disk Support System: for WindowsXP/Vista-/7/8/10, Linux-,more Product Size:approx 130X68mm/5.12x2.68in Package Weight: 88g Package Includes: 1PC M2 NVME to M2 Adapter 2PCS Baffles 1Set Screws 1PC Sata Cable note: 1. 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! 2. Please allow 1-3mm measuring deviation- due to manual measurement.