Brand Repima For MacBook AIR Pro A1465 A1466 A1466 A1398 A1502 12+16pin to NVME M.2 PCI-E 4.0 3.0 SSD Adapter Converter Expansion Board Blue. Hard Drive Expansion Board for Mac notebooks upgrades Mac's 12+16-pin hard drive to a 2230 2242 2260 2280 size NVME M-Key 5pin M.2 PCI-E 4.0 3.0 SSD. The expansion board is designed in blue color to fit Mac notebooks while providing higher transfer speeds and larger storage capacity to meet users' needs for high speed, high capacity storage. The expansion board is made of high quality gold finger 4 layer board manufacturing process and materials, stable and reliable performance, can bring users a good experience. Color: blue, product size: 9.5x2.5x0.3 cm. This product 1pc + small screw tool 1pc . This product is for NVME NGFF M.2 PCI-E 2230 2242 2260 2280 SSD drives. If connecting the M.2 hard disk to the expansion board will block the laptop, you can cut the edge of the expansion board by yourself. Note that the use of this expansion board requires certain technical and operational skills, and it is recommended to install and use it under the guidance of professionals. 1. Replace the 2230 2242 2260 2280 SSD hard drive onto the adapter board first to prepare for upgrading and modifying the hard drive. 2. Turn on the computer and enter the system, connect the NVME M.2 hard drive, and use the “System Migration” function to clone the system disk from the original Mac hard drive to the new hard drive.