https://www.techradar.com/news/western-digital-has-made-a-huge-hdd-breakthro... TRENDING - Windows 11 for business - Best hybrid working tech - Microsoft Teams updates - Latest Mobile news - Office 2021 TechRadar is supported by its audience. When you purchase through links on our site, we may earn an affiliate commission.  Western Digital has made a huge HDD breakthrough By Anthony Spadafora published about 19 hours ago Storage giant has unveiled the world’s first 26TB UltraSMR HDDThe reason the storage giant has been able to significantly expand the capacity of HDDs over the years is due to its ever expanding technology portfolio which includes its unique OptiNAND technology, energy-assisted PMR (ePMR), triple-stage actuator (TSA), HelioSeal and now UltraSMR. Western Digital’s new ePMR drives leverage the company’s OptiNAND technology to unlock higher levels of capacity, performance and data resiliency. For instance, its new 22TB CMR HDD incorporates OptiNAND to deliver areal density on a 2.2TB/platter HelioSeal platform with ten disks.