Sandisk x400 512gb sata iii 25 7mm ssd key features up to 1tb in a single sided m2 2280 and 25rdquo 7mm form factors ncache 20 maximizes readwrite operations and improves responsiveness available in 128gb 256gb 512gb and 1tb capacities in both form factors better slumber mode for greater low power efficiency 5 year warranty the sandisk x400 ssd is sandiskrsquos upper tier sata client ssd driving mainstream adoption in computing platforms for both corporate customers and end consu