this cost does not include the SSD
speed: USB3.0 5GBPS ,compatible with USB2.0
size: 12.5*3.4*1.3CM
material : Aluminium alloy
for the ssd of Air (MBA) Pro Retina :
ME253 MD878 MD711 MD712 MD760 MD761
ME864 MD865 MD866 MD293 MD294
MF938 MF940 MF941 MJLQ2 MJLT2 MGXA2 MGXC2
MGX72 MGX82 MGX92 MGXA2
MJVM2 MJVP2 MJVE2 MJVG2