There seem to be three versions. The X25-E is the fastest model, this 2.5" drive has a sustained read speed of up to 240MB/s and sustained write speed of 170MB/s. Average active power consumption is 2.4W and idle power consumption 0.06W. The drive supports 35,000 4Kb read IOPS (Input/Output operations Per Second) and 3,300 4Kb write IOPS. This drive is designed for enterprises and has a MTBF of 2 million hours.
Then there's also the 2.5" X25-M and 1.8" X18-M. These drives are designed for mainstream clients and feature sustained read speeds of 240MB/s and sustained write speeds of 70MB/s. Average active power consumption is 0.25W and idle power consumption is 0.06W. The MTBF of these drives is 1.2 million hours.
