22TB

Western Digital's 'What's Next' event back in May 2022 had seen the announcement of its 22TB platform based on ePMR and OptiNAND (with ArmorCache). At the event, WD indicated that the 22TB 10-platter drives would make its market appearance under different product categories - Ultrastar DC HC570 for data centers and enterprises, WD Gold for enterprises, SMEs, and SMBs, WD Red Pro for SMB and SME NAS systems, and WD Purple Pro for surveillance network video recorders. Today, WD is announcing retail availability of these models along with technical details. All drives have a 3.5" form-factor and sport a SATA 6 Gbps interface. The drives are equipped with a 512MB cache and have a 7200 rpm spindle speed. The acoustics rating for all of them...