Axiom T500 2.5 400GB SATA III MLC Hot-Swap Enterprise SSD (IBM Supported) Sustained Sequential Read: Up to 500 MB/s Sustained Sequential Write: Up to 460 MB/s 4KB Random Read: Up to 75,000 IOPS 4KB Random Write: Up to 36,000 IOPS MTBF: 2,000,000 hours Read Latency: 50 µs (TYP) Write Latency: 65 µs (TYP) Power Consumption (Idle): 0.65W