Feature: 100% brand new and high quality. Quantity: 1 Connects one B key & one M key NGFF SSD at the same time to PCI-E 4X motherboard. Compliant for PCI Express M.2 specification 1.0. Compliant for SATA 3.0 specification for B key. Compliant for 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. 8 screw holes 2230/2242/2260/2280 available to fix NGFF SSD cards. Easy installation & no driver required. No additional power required. Support boot function. Supports any OS， like Windows， WinCE， Mac & Linux etc. 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.Package Content: 1X 2 Port NGFF M.2 B + M Key SSD To PCI-E PCI Express 4X Adapter Card (NO Retail Box. Packed Safely in Bubble Bag)