Description: Connects one B key and one M key NGFF SSD at the same time to PCI-E 4X motherboard Easy installation & no driver required No additional power required .Support boot function 8 screw holes 2230/2242/2260/2280 available to fix NGFF SSD cards Supports SATA-based B key and PCI-E 4X-based M key NGFF SSD Specification: Compliant with PCI Express M.2 specification 1.0 Compliant with SATA 3.0 specification for B key Compliant with PCI-E 4X 3.0 specification for M key Supports data transfer up to 6.0Gb/s Supports SATA-based B key and PCI-E 4X-based M key NGFF SSD Supports 2230, 2242, 2260 & 2280 size NGFF SSD One NGFF B Key and one NGFF M key sockets available Supports any OS, like Windows, WinCE, Mac & Linux etc. Package Includes: 1x 2 Port NGFF M.2 B + M Key to PCI-E 4X Adapter Card 1x Cable 2 Pieces Baffle plate 2 Pieces Screw Note: Please note that for B key SSD the SATA 7 pin connector must be connected to motherboard Please note that for M key SSD there must be a 2.0 or higher PCI-E 4X socket