18Pin To SATA Adapter with USB SATA Cable for Sandisk SDSA5JK ADATA XM11 SSD From Asus UX31 UX21 Alow SSD from ASUS Ultrabook UX31 UX21 to work as SATA SSD or USB External HDD in desktop or Laptop Support SSD Module:Sandisk SDSA5JK Support SSD Module:ADATA XM11 size is smaller than 2.5" SATA HDD,but it can be used in laptops as 2.5" SATA HDD PCB Dimension: 102mm x 43mm (LxW)