Why this adapter matters Upgrade your MacBook A1708 (Late 2016 – Mid 2017) to modern NVMe storage without replacing the whole logic board. Enables higher read/write performance by accepting M-key M.2 NVMe SSDs, giving faster app launches, quicker file transfers, and more responsive storage. Small, low-profile adapter designed for a clean, direct replacement—ideal for users who need more capacity or want to refresh an aging drive. Key functions & compatibility Works only with Apple model A1708 from Late 2016 through Mid 2017. Accepts M.2 NVMe SSDs with an M key in lengths 22x30 or 22x42. Does NOT support B-key or B+M-key SSDs; incompatible with those module types. Intended for M-key NVMe modules only—confirm your SSD is M-key and NVMe before purchase. Important attributes Function: adapter converts the MacBook A1708 proprietary connector to accept M.2 M-key NVMe SSDs. Size support: compatible with 22x30 and 22x42 M.2 modules. Performance: enables NVMe-level speeds when paired with a compatible M.2 NVMe SSD. Design: compact, low-profile form factor that fits into the A1708 drive bay area. Practical use scenarios Replacing a failed or aging internal SSD in a Late 2016–Mid 2017 A1708 MacBook with a faster NVMe M.2 drive. Upgrading storage capacity for photo/video editing, software development, or large file work on an A1708 MacBook. Quick, cost-effective shop repair or refurb: swap in a standard M.2 NVMe module instead of sourcing OEM Apple parts. Quick checklist before buying Confirm your MacBook is model A1708 (Late 2016 – Mid 2017). Verify the replacement SSD is M.2 NVMe, M-key, and sized 22x30 or 22x42. Do not attempt to use B-key or B+M-key SSDs with this adapter. This adapter provides a straightforward, high-performance upgrade path for the specified A1708 MacBook models when paired with a compatible M-key M.2 NVMe SSD.