Features High Capacity - 12TB PMR HDD, drop-in ready for capacity workloads. Low Power - 52% lower idle W/TB than 8TB Ultrastar air-filled drives. More Reliable - Highest MTBF rating for an HDD at 2. 5M hours. 12TB capacity in a standard 3. 5-inch form factor. PMR technology works with all capacity enterprise applications & environments. Reliable, field-proven, 4th generation design. Outstanding power efficiency (Watts/TB). Compared to 8TB Ultrastar air-filled drives: 50% more capacity 52% more power efficient (Watts/TB) 25% more reliable SATA 6Gb/s and SAS 12Gb/s: 12Gb/s SAS compatible with next gen data centers; backwards compatible with 6Gb/s SAS 2. 5M hours MTBF rating & 5-year limited warranty. Instant Secure Erase (ISE) & Self-Encrypting Drive (TCG SAS) options.