For Asus UX21E UX21A UX31 UX31E TAICHI21 TAICHI31 ZENBOOK SSD.

The adapter card with socket  B+M M.2 NGFF SSD replaces the following

SANDISK Models:
• SDSA5JK-128G
• SDSA5JK-256G
• SD5SE2-128G
• SD5SE2-256G

ADATA Models:
• XM11-128G
• XM11-256G
• UMM-128M3B
• UMM-256M3B
• UMT-128M3B
• UMT-256M3B

Specifications:

The speed and other properties does not change. It just changes the interface with adapter card, so you can ensure the quality of SSD.

You can properly install the operating system the same as the for Asus UX21 UX31 ZENBOOK original hard disk

The product only support the following sizes:
•22*42 mm
•22*60 mm
•22*80 mm

B KEY SATA transfers mode M.2 NGFF SSD.

Overall Size: 9.4cm x 2.4cm x 0.4cm