Seagate Enterprise Capacity 3.5 HDD 10TB (Helium) 7200RPM SATA 6Gb/s 256 MB Cache&nbsp;Internal Bare Drive (ST10000NM0016) 10TB per drive for 25% more petabytes per rack Industry's lowest power and weight for optimum data center TCO;Forged, wrought-aluminum base and a helium sealed-drive design with uniform density and no porosity Superior material and weld-width design for a more robust, hermetically sealed-driveenclosure that protects from helium leaks Digital environmental sensors for measuring internal humidity, pressure andtemperature, helping to ensure high reliability, performance and quality. Latest hermetic interconnect technology supporting higher data rate heads and higher pin counts for extreme thermal conditions;Proven enterprise-class reliability backed by 2.5M-hr MTBF and 3 Year Seller Warranty.