Crucial M550
C Mid-range SATA III SATA 2.5" 128GB, 250GB, 500GB, 1TB
The Crucial M550 is a mid-range SATA III drive, with a DRAM cache, offered in 128GB, 250GB, 500GB, 1TB.
M550 SSD specifications
This Crucial M550 SSD spec sheet covers rated SSD speed, DRAM cache, MLC NAND type, controller, capacity-specific part numbers, TBW endurance. Values are shown only where they are recorded in the source data.
InterfaceSATA III
Form factorSATA 2.5"
ControllerMarvell 88SS9189
NANDMLC, 32L
CacheDRAM
Max sequential550 / 500 MB/s
Endurance72 TBW, 0.514 DWPD
Warranty3 years
Released2014
Capacities & endurance
| Capacity | Part number | Read MB/s | Write MB/s | TBW | DWPD | Warranty |
|---|---|---|---|---|---|---|
| 128GB | CT128M550SSD4 | 550 | 350 | 72 | 0.514 | 3 |
| 256GB | CT256M550SSD4 | 550 | 500 | 72 | 0.257 | 3 |
| 512GB | CT512M550SSD4 | 550 | 500 | 72 | 0.128 | 3 |
| 1TB | CT1024M550SSD4 | 550 | 500 | 72 | 0.066 | 3 |