SIIG M.2 NGFF SSD M Key NVME PCIe 3.0 x 4 Card Adapter DRAMATICALLY INCREASE SPEED AND PERFORMANCE: Adds one M.2 PCIe SSD (M key) to your Windows 10, 8.x, 7, or any PCIe-equipped desktop computer. MacBook is not supported. INTUITIVE DESIGN: Accommodates 2230, 2242, 2260 and 2280 form factor M.2 SSDs (NVMe or AHCI) via multiple mounting holes !!!NOTE: Systems released prior to 2015 may not support NVMe SSDs. Please check with your system provider for compatible SSD VERSATILE APPLICATIONS: Supports PCIe 3.0 motherboards and is backward compatible with PCIe 1.0 and PCIe 2.0; also supports PCIe x4 bus slot and is compatible with x8 / x16 bus slot EASY SETUP: No driver installation required ( If there is an exclamation mark after installing the adapter, please ask the SSD supplier to offer the NVME driver for SSD to PCIe ); Includes both low-profile and full-profile slot brackets for flexible system chassis installation (perfect for 2U case), with built-in LEDs to indicate power and data transfer status NOTE: This adapter is not compatible with B key M.2 PCIe SSDs or B key M.2 SATA SSDs. If you have any question or concern regarding this product, please feel free to contact us directly before or after purchase.