This M.2 NVME SSD Convert Adapter Card with Screw is designed for Non-Touch Bar MacBook Pro models A1708: 13.1 (late 2016) and 14.1 (mid 2017). Compatibility - MacBook Pro 13" Function Keys Late 2016 A1708 (EMC 2978): MLL42LL/A or BTO/CTO - MacBook Pro 13" Function Keys 2017 A1708 (EMC 3164): MPXQ2LL/A, MPXR2LL/A, MPXT2LL/A, MPXU2LL/ or BTO/CTO - Intended for models listed above; not for non listed variants SSD and form factor - Supports 2230/2242 Type Key-M NVME M.2 SSD - Not compatible with SATA bus key B/B+M SSD (not suitable for other Mac) System requirements and notes - Requires MacOS 10.14 High Sierra or later - Not compatible with Mac OS versions prior to 10.14 - Please upgrade macOS with an original SSD before installing Key benefits - Enables adding fast NVMe storage to selected non-touch bar MacBook Pro models - Includes the securing screw for installation - Compact adapter preserves internal space and maintains original motherboard clearance Use scenarios - Upgrade a late-2016 or 2017 13" MacBook Pro Function Keys to add fast internal storage for apps, games, and large files - Create a dedicated fast scratch disk for photo/video editing workflows - Expand storage capacity without external drives while keeping the OS on the original SSD for simpler maintenance This description preserves the stated compatibility, dimensions, and usage guidelines, providing a clear, user-friendly overview for selecting and using the adapter.