Features: brand new and high quality Using all solid capacitors, high-performance, high-quality electronic components, environmental for protection, low impedance, high and low temperature stability. This adapter card supports the conversion of 2280 2260 2242 2230 PCIE x4 and PCIE x2 protocol for M.2 NVME SSD solid state drives to for late 2014 version for Mac mini A1347 (MGEM2xx/A MGEN2xx/A MGEQ2xx/A) computer hard drives. PCIE x4 for M.2 NGFF SSD is divided into AHCI protocol and NVMe protocol. Novice buyers should use PCIe x2 or x4 AHCI protocol hard drives. Buyers with strong hands-on experience can use NVME protocol PCIe x4 for M.2 NGFF SSD. Regarding whether to use the AHCI protocol hard disk or the NVME protocol hard disk, this is your own technical problem, and has nothing to do with the adapter card. Our store cannot provide technical support! Novice buyers are recommended to buy PCIe x4 for M.2 NGFF AHCI SSD to use this adapter card. This adapter card only supports for late 2014 version for Mac mini A1347 (MGEM2xx/A MGEN2xx/A MGEQ2xx/A), and cannot support 2012 version 2011 version and 2010 version for Mac mini A1347. Specifications: Material:Metal Size:Approx.9x4.2cm/3.54x1.65inches Pattern:Black It is important to note: Some for Apple computers use adapter cards and solid state drives to replace the original for Apple hard drives after the 2013 version. After the system sleeps and then wakes up, it will crash. You need to restart the computer to use it normally. If the hibernation function is not disabled, the for Apple system enters hibernation, that is, after a black screen, it needs to be shut down and then turned on to enter the system. For Windows system wakes up after hibernation, it will automatically restart. Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Riser Card