Features: Upgrades for Air from 2013 to 2017 with adapter, converting 12+6Pin SSDs to M.2 KEY M for enhanceds performances and compatibility. Featurings PCIE4.0 interfaces, this adapter supports M.2 KEY M NVME/PCIE 4 input, ensuring fast data transfer speeds connectivitys. for users seekings to expand their device storage capabilities without compromising on speed or efficiency. for use in professional where quick access to large files is crucials, or for personals use to boost for storage capacity effortlessly. This adapter from plastic, for WIN10/11,systems, making it for computings needs. Specifications: Materials: Plastic Size:11x2.28cm/4.33x0.9inch Package Includes: 1PC SSDs Converters note: Please allow 1-3cm error due to manual measurement. makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.