Specifications: Easily installs into any PCIe x4, x8, or x16 slot in your PC Supports PCIe 1.0, PCIe 2.0 and PCIe 3.0 motherboards NVMe M. 2 SSD's Supports booting on 2006-2012 model cMP Mac Pro M. 2 SSD's like the Samsung XP941 or Samsung SM951 provide boot support on mac OS / OSX versions up to Sierra. High Sierra and later supports both NVMe M. 2 SSD's, but you still cannot boot an NVMe SSD under any version of Mac OS, you can only use it is a storage device, so long as it's High Sierra or later. ) Supports M. 2 NGFF type 2242, 2260, and 2280 M. 2 PCIe-based SSDs ( NVMe) Pin header included on the card for LED connection A standard full-height PCIe bracket is already secured to the card, with an additional low profile bracket included Transparent to the operating system Requires no software driver installation Supports Windows, OSX and Linux operating systems *NOTE* System boot from this adapter card has limited support on Windows and Linux systems in UEFI mode. Many Z97, X99 and all Z170 based and later motherboards will support it.
Booting IS supported on 2006-2012 model Mac Pro (cMP) computers if you are running up to and including OSX Sierra, but only with an AHCI based SSD (You definitely cannot boot from NVMe M. 2 SSD's, even on OSX High Sierra and later). You'll need to install your choice of any 128/256/512GB/1TB M. 2 PCIe SSD for a complete storage solution. Note, this adapter is designed only for 'M' key M. 2 PCIe x4 SSD's, and is guaranteed compatible with the Samsung XP941, SM951, SM961 (NVMe or AHCI), 960 Evo, 960 Pro and the MyDigital SSD BPX. It will not work with a 'B' key M. 2 PCIe x2 SSD or the 'B' key M. 2 SATA SSD. SATA Based M. 2 SSD module can NOT work with this PCIe Based Adapter Supports PCIe M. 2 SSDs The adapter supports PCIe 3.0 x4 NVMe (M Key) M. 2 SSDs including 2242, 2260, 2280 drives.