HGST Ultrastar 7K6000 4TB 7200 RPM 512e SAS 12Gb/s 128MB Cache 3.5-Inch Enterprise Internal Hard Disk Drive - HUS726040AL5210 (0F22795)

- SAS interface compatible with servers that have capable RAID controllers - Improved power efficiency compared to prior generation - Advanced format 512e - Enterprise-class reliability with a 2M hours MTBF rating and 0.44% AFR - Reliable, field-proven, 7th generation 5-disk design