PCIE 3.0 X4 NVMe * PCIE3.0 GEN3 full speed design; * Support: NVMe m.2 SSD (various PCIE protocols) * Not support: m.2 SATA SSD (for SATA protocol) * Slot: Support PCIE X4 X8 X16 * Support Type 2230/2242/2260/2280 type M.2 Card dimension.(M-Key) * Net weight: 34.5g * Operation system: Windows7/8/10, Mac OS 10.8 and above