The 2013-2014 MacBookPro retina models originally shipped with 2x lanes PCIe 2.0 AHCI SSD (speed ~700MB/s). They support up to 4TB NVMe SSDs if their BootRom is at least MBP111. 0142 .B00 (for 13" models) or MBP112. 0142 .B00 (for 15" models) and will make them run at PCIe 2.0 speed with up to 4x lanes.
Introduction. Go to step 1. Use this guide to upgrade or replace the solid-state drive in a MacBook Pro 13β Early 2015. This MacBook Pro uses a proprietary storage drive connector, and is therefore not compatible with common M.2 drives without the use of an adapter. Before you perform this repair, if at all possible, back up your existing SSD.
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