Reimagining the HDD for Exponential Data Growth Hyperscale cloud, CSPs, enterprises, smart video surveillance partners, NAS suppliers and more, need storage solutions to meet the exponential growth in data creation. When it comes to cost-effective storage of data at scale, hard disk drives (HDDs) continue to play a central role. IDC projects that in 2025, HDDs will represent 82% of storage capacity sold to the enterprise market*. HDDs deliver the capacity, performance, and reliability needed to store vast amounts of data today and well into the future. Investments in HDD technology remain critical to supporting worldwide data growth. Western Digital has developed flash-enhanced drives with Opti - NAND technology by vertically integrating the company’s leading NAND flash with its world-class HDDs. Western Digital HDDs have been leaders in areal density with industry first technologies of energy-assisted magnetic recording technology (EAMR), triple-stage actuator (TSA), Helio - Seal , and now Opti - NAND technology. Higher areal density means higher capacities to meet storage challenges. 20TB HDDs with Opti - NAND Technology Opti - NAND integrates an i - NAND Universal Flash Storage (UFS) Embedded Flash Drive (EFD) with traditional spinning disk media, and incorporates innovative changes to the firmware algorithm and system-on-a-chip (So - C). Opti - NAND is not a hybrid technology. The drive works smarter, with enhanced firmware algorithms taking advantage of expanded metadata that has been offloaded to the i - NAND, enabling more tracks per inch (TPI), resulting in increased areal density. The Ultrastar DC HC560, with the first implementation of Opti - NAND technology’s capacity-enabling features, delivers an unbeaten 20TB capacity in a nine-disk platform (2.2TB/platter) with CMR recording format. It offers security and encryption options to help protect data from unauthorized use, including SED models. Trust Western Digital and the Ultrastar DC HC560 hard drive to deliver the highest capacity and greatest value for your data center Digital storage capacity 20 TB Hard disk interface Serial ATA-600 Connectivity technology SATA Brand Western Digital Hard disk form factor 2.5 Inches Hard disk description Mechanical Hard Disk Compatible devices Desktop Installation type Internal Hard Drive Hard disk size 20 TB Hard disk rotational speed 7200 RPM