1)update your mac to the latest OS. 2)take time machine backup (optional) 3)get this sintech adapter and any m.2 SSD (SATA or NVME) 4)just install the ssd and reinstall the OS. You are good to go. My macbook air speeds are capped at 1500mb/s in both read and write. and its perfectly running without any issues. rexoserox • 5 yr. ago. View attachment 760495. Read speed is reduced by 31% and write speed by 11%. I know the 2017 model has different faster storage but reductions will occur, but not necessarily the same percentages. I have seen quite wide range of reported results for the effect of Filevault, including larger reductions. Only the MacBook Air's time of 3:43 came close. According to Apple, the 128GB PCI-based flash memory in the 2015 MacBook Pro is up to two times faster than last year's model, and in our testing MacBook Air Technical Specifications. Speed demon. Capable of moving over 500 megabytes per second, the new hardware triples the system's storage performance, and this all looks great on paper. MacBook Pro; MacBook Air; iMac; Mac mini; Apple is claiming read speeds up to 3.1 GB/s for both the 13″ and 15″ MacBook Pro, and 2.1 GB/s write speed. A quick look at the QuickBench test The reason for the slowdown is the same as with the 256GB SSD in the 13-inch M2 MacBook Pro and M2 MacBook Air: Apple uses a single NAND chip in the SSD, while the M1 Macs they replaced used two Here are the full Disk Speed Test results gathered by Vadim Yuryev at Max Tech. 13-inch MacBook Pro (M1/256GB) Read Speed: 2,900 MB/s. 13-inch MacBook Pro (M2/256GB) Read Speed: 1,446 MB/s. 13 Apple’s 15-inch MacBook Air comes with a familiar problem that proves Apple still hasn’t learned from its past mistakes. Despite halving the SSD speed, the M2 13-inch MacBook Air tested by Sure, the SSD speed drop is disappointing, but it’s not a difference that the average user will notice. The 15-inch Apple MacBook Air for under $1,000 is worth getting as a late Christmas To switch to an SSD, you should start with these steps: Connect your new SSD. Launch Disk Utility and choose View > Show All Devices. Select the drive in the list in the left-hand side, and click yvNtfh.