1 M.2 (NGFF) SSD to 18 Pin SSD Adapter. For UX31/UX21/UX51/UX21E/UX31E/TAICHI 21/TAICHI 31 SSD. It is very likely that the old version of BIOS can not recognize the new type of SSD! The adapter card does not pass through any chip, which has no impact on the performance of the hard disk.
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