WD Purple Pro 12TB 5400 RPM Surveillance Hard Disk Drive ( WD121PURP )

Toshiba MG Series MG09ACA12TE 12TB 3.5-inch 7200 RPM Sata Enterprise Desktop Internal Hard Disk Drive

• Conventional Magnetic Recording (CMR) for broad compatibility
• Toshiba Flux Control Microwave-assisted Magnetic Recording (FC-MAMR) Technology
• Industry-leading 9-disk helium-sealed design for superior storage density
• Industry Standard 3.5-inch 26.1mm height Form Factor
• 7200 rpm Performance
• Choice of SATA 6.0 Gbit/s Interfaces
• Lower operational power profile, providing excellent power efficiency (W/TB) for better TCO
• 550 Total TB Transferred per Year Workload Rating
• 512e or 4Kn Advanced Format Sector Technology; (512e Model) Includes Toshiba Persistent Write Cache Technology for Data-Loss Protection in Sudden Power-Loss Events
• Sustained transfer rate and power efficiency improvements vs. prior MG Series generations
• Sanitize Instant Erase (SIE) option model and Self Encrypting Drive (SED) option model