• Pack of 20 SATA helium-sealed 18TB platform data center hard drives
  • Utilizes SATA interface with 6Gbps transfer rate
  • Made in 3.5" form factor; dimensions: 1.03"H x 4"W x 5.79"D

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Western Digital Ultrastar DC HC 550 18TB SATA Internal Hard Drive (0F38459-20PK)

Item #: IM17WC456Model #: 0F38459-20PK
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About this product

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 Western Digital Ultrastar DC HC500 series of hard disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical. The 18TB/16TB Western Digital Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry's first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.

  • Pack of 20 SATA helium-sealed 18TB platform data center hard drives
  • Utilizes SATA interface with 6Gbps transfer rate
  • Made in 3.5" form factor; dimensions: 1.03"H x 4"W x 5.79"D
  • Rotational speed: 7200; sustained transfer rate: 269MBps maximum
  • CMR technology works with all capacity enterprise applications and environments
  • Energy-Assisted Magnetic Recording (EAMR) technology improves writability and therefore increases areal density
  • Triple Stage Actuator (TSA) enhances head-positioning accuracy, delivering better performance and increased areal density
  • HelioSeal design delivers outstanding power efficiency
  • 5-year manufacturer limited warranty