14-inch MacBook Pro with M3 now starts at $1,59914- and 16-inch models with M3 Pro and M3 Max are available in a gorgeous new space black finish. Today Apple unveiled MacBook Pro featuring the next generation of M3 chips. CUPERTINO, CALIFORNIA Apple today announced a new MacBook Pro lineup featuring the all-new family of M3 chips: M3, M3 ProPrice. The MacBook Air starts at $1,099 (down from $1,199 a year ago) and features an 8-core CPU, binned 8-core GPU, 8GB of memory, and a 256GB SSD. This is a great starting price, but costs begin to ramp up quickly if you need more RAM or storage on your device. The 256GB Samsung SSD in the 15″ model offers about a 400MB/s increase in write speeds over the 128GB SanDisk SSD as our 13-inch model was configured. UPDATE: OWC Now Offers SSD Upgrades for 2013-Current MacBook Air & MacBook Pro with Retina display models and OWC Reveals Apple Boot Camp Support for SSDs. The Caveat
Summary (from the guide): 2013-2014 MacBooks use a non-standard connector (12+16 pins) for the stock SSD that uses PCIe AHCI (OEM drives supposedly based on the Samsung XP941 or SM951) Fortunately, there are a number of M.2 NVMe drives and an adapter available that allow for SSD upgrades in these MacBooks.
The 2022 MacBook Air now only has 1600 MB/s for the write speed and 1158 MB/s on the read speeds. With the MacBook Pro, these slower SSD speeds only applied to the base storage configuration and fplDTR.