Samsung PM853T - Samsung SSD 845DC EVO/PRO Performance Preview & Exploring IOPS Consistency

The PM853T is the OEM version of the 845DC EVO and as you would expect, the two are very much alike. The difference between the 845DC EVO and PM853T is the firmware and the PM853T is geared more towards sustained workloads, which results in slightly higher random write speed (15K IOPS vs 14K IOPS) for

Samsung PM853T

Samsung PM853T
Capacity240GB480GB960GB
ControllerSamsung MEX
NANDSamsung 19nm 128Gbit TLC
Sequential ReadUp to 530MB/s
Sequential WriteUp to 410MB/s
4KB Random ReadUp to 87K IOPS
4KB Random WriteUp to 15K IOPS
Endurance (DWPD)0.3 DWPD (4KB Random) / 1.6 DWPD (64KB Sequential)
WarrantyThree years

The PM853T is the OEM version of the 845DC EVO and as you would expect, the two are very much alike. The difference between the 845DC EVO and PM853T is the firmware and the PM853T is geared more towards sustained workloads, which results in slightly higher random write speed (15K IOPS vs 14K IOPS) for the highest capacity. Endurance is also a bit lower (0.3 DWPD vs 0.35 DWPD) and warranty has dropped from five to three years, but otherwise the 845DC EVO and PM853T should be alike. Unfortunately I do not have the full data sheet, so all the specs are 'up to', but I will update the table when I receive the full specs. 

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