HGST Ultrastar He10 10TB (HUH721010AL4200) enterprise SAS hard drive. Pulled from a decommissioned storage array, tested and working. Power-on hours: 53,150 (see SMART screenshot). SMART overall health: OK, 0 reallocated sector(s), 0 pending sector(s). Condition: Used - fully functional, minor cosmetic wear from rack use. No physical damage. What's included: drive only (no cables/screws unless stated). Please review the SMART screenshot for full drive history before buying - happy to answer questions about the source system.