ITEM NAME:2 Port Ngff M.2 B & M Key To Pci-E 4X Adapter Card Pci-E Riser Sata To Pci- P8M3 2 Port Ngff M.2 B & M Key To Pci-E 4X Adapter Card Pci-E Riser Sata To Pci- P8M3 NGFF & NVME dual interface NGFF SSD hard disk adapter Type: PCI-E riser card Connect a B & M key M NGFF SSD to PCI-E 4X motherboard at the same time. Compatible with PCI Express M.2 specification 1.0. Compatible with SATA 3.0 specification for key B. Compatible with PCI-E 4X3.0 specification for the M key. Supports data transfer up to 6.0 gb / s. Supports SATA-based B-key and PCI-E 4X-based M key NGFF SSD. Supports 2230, 2242, 2260, 2280, 22110 size NGFF SSD. A Key B and a NGFF NGFF M key are available. 8 bolt holes 2230/2242/2260/2280/22110 available to fix NGFF SSD cards. Easy installation & no driver needed. No additional power required. PCI-E power supply. Support the startup function. Supports any OPERATING SYSTEM such as Windows, WinCE, for Mac & Linux etc. By adopting 12V + 3.3V dual voltage, more stable than a single voltage, can effectively reduce the temperature of the SSD. Small, faster calorie value with LED status indicator, more convenient to use. note: For the B SSD switch, the 7-pin SATA must be connected to the motherboard For the M SSD key, there should be a 2.0 or higher 4X PCI-E socket colour:Black Material:PCB & Metal size:14.6*6.7*0.8cm Package Contents: 1 * NGFF & NVME dual interface NGFF SSD hard disk adapter 2 * Screw 1 * Cable 2 * Baffle Plate