Specifications:

Model  VTR-25SAT3-256G
Controller Indilinx Barefoot 3 (FW 2.0)
Memory

IMFT 25 nm Synchronous MLC NAND

16x128Gb M2502128T048SX22

Cache Micron 1GB DDR3 800 MHz
Real capacity 238.47 GB
Format 2.5", 7 mm height
Max sequential read/write 550/530 MB/s
Max 4K random read/write 100000/95000 IOPS
Warranty 5 years