Total Cost of Ownership TCO Drives the Data Center Architecture. Data center decisions are driven by TCO. Higher capacity hard drives play a leading role in reducing TCO. An 18TB data center HDD provides 29% more capacity in the same form factor as a 14TB HDD. Higher capacity HDDs enable data centers to lower CapEx by reducing supporting hardware and system level costs when compared to lower capacity drives. Heliumsealed, low power, high reliability drives reduce energy and maintenance costs, contributing to OpEx savings. For example, a data center using 18TB HDDs vs. 14TB HDDs can require 22% fewer racks while consuming 21% less power per TB at idle, resulting in significant overall TCO reduction for data center environments . Features. up to 18 TB storage capacity in 3.5inch format. Conventional Magnetic Recording CMR technology for reliable data storage in enterprise environments. reliable construction, proven in the fifth generation. HelioSeal ensures high power efficiency Watt/TB. MTBF of 2.5 million hoursSpecifications. Memory 16 TB. Rotation speed 7200 RPM. Sector sizes 512e. Recording process CMR. Memory 16000 GB. Usage Enterprise. Model WD Ultrastar. Technology 24 x 7. Design SATA 6 Gb/s. Cache 512 MB. Mounting form 8.9 cm 3.5. Country of Origin Thailand. Weight 1.52 lbs