Features: 1.Connects one B key & one M key NGFF SSD at the same time to PCI?E 4X motherboard 2.Compliant with PCI Express M.2 1.0 Compliant with SATA 3.0 for B key 3.Compliant with PCI?E 4X 3.0 for M key Supports data transfer up to 6.0Gb/s 4.Supports SATA?based B key and PCI?E 4X?based M key NGFF SSD Supports 2230, 2242, 2260 & 2280 size NGFF SSD 5.One NGFF B Key and one NGFF M key sockets available 8 screw holes 2230/2242/2260/2280 available to fix NGFF SSD cards specification: Connects one B key & one M key NGFF SSD at the same time to PCI-E 4X motherboard Compliant with PCI Express M.2 1.0 Compliant with SATA 3.0 for B key Compliant with PCI-E 4X 3.0 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 s: Power Supply Type: PCIE power supply OS: Supports any OS, like for Windows, for WinCE, for Mac & for Linux etc. Slot: M NGFF interface, B NGFF interface Size of Supported M.2 Card: 22*30mm, 22*42mm, 22*60mm, 22*80mm, 22*110mm Motherboard Size: 13.5 * 5.5(narrowest point)cm / 5.31 * 2.17inch Long Baffle Plate Size: 12 * 1.8cm / 4.72 * 0.71inch Short Baffle Plate Size: 8 * 1.8cm / 3.15 * 0.71inch Package Weight: 104g Package included: 1 X 2 Port NGFF M.2 B + M Key to PCI-E 4X Adapter Card 2 X Screw 1 X Sata Cable 2 X Baffle Plate