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The PM1635a 1.6TB is an enterprise mainstream SSD with a 12 Gbps SAS interface. In Lenovo’s PM1635a product guide, the 1.6 TB drive is rated at 3 DWPD, 8,760 TB total bytes written, 197,000 4 KB read IOPS, 60,000 4 KB write IOPS, 940 MBps sequential read, 830 MBps sequential write, 2,000,000 hours MTBF, and 9 W / 9 W typical power.
- Capacity: 1.6 TB
- Interface: 12 Gbps SAS
- Endurance: 3 DWPD
- Total bytes written: 8,760 TB
- Data reliability (UBER): < 1 in 1017 bits read
- MTBF: 2,000,000 hours
- 4 KB read IOPS: 197,000
- 4 KB write IOPS: 60,000
- Sequential read rate (128 KB blocks): 940 MBps
- Sequential write rate (128 KB blocks): 830 MBps
- Shock, non-operating: 1,500 G (Max) at 0.5 ms
- Vibration, non-operating: 20 GRMS (10-2000 Hz)
- Typical power (R / W): 9 W / 9 W
This drive is listed as a PM1635a Enterprise Mainstream SSD suitable for mixed read-write-intensive workloads.
