Western Digital 18TB Ultrastar (HGST) HC550 SATA 6Gb/s, 7200RPM SATA-6Gb/S, 512MB Buffer, 512e Se 3.5inch Helium Platform Hard Drive | 0F38459 / WUH721818ALE6L4

Ultrastar DC HC500 Series
High Capacity for Massive Data and Lower Total Cost of Ownership
Extreme Capacity
18TB CMR HDD for hyperscale, cloud, and enterprise storage
Areal Density
9-disk platform with 6th generation HelioSeal technology and energy assisted recording drives capacity/density leadership
TCO
Cost-optimized configurations for every important capacity point
Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers
The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard drives. Built using HelioSeal technology, the industry’s only fifth-generation helium platform, the DC HC500 series is designed for public and private cloud environments, where storage density, Watts/TB and $/TB are critical for creating the most cost-efficient infrastructure. HelioSeal technology is key to achieving higher drive capacities, greater reliability ratings and extreme power efficiency.
Key Features :
Storage Capacity : 18 Tb
Enclosure : Internal
Interface : Sata-6gbps
Drive Dimensions : 3.5 Inch
Mtbf : 2.5 Million Hours
Drive Performance :
Interface Transfer Rate : 600 Mbps
Sustained Transfer Rate : 257 Mbps
Average Latency : 4.16 Ms
Buffer : 512 Mb
Rotational Speed : 7200 Rpm