Toshiba announces the 18 TB MG09 Series HDD, Toshiba's first HDD models with energy-assisted magnetic recording, MG09 Series features Toshiba's third-generation, 9-disk helium-sealed design and Tos... Toshiba Releases 18TB MG09 Series Hard Disk Drives
Might be a bit far-fetched but I'd actually consider a slower HDD again if it was 50TB+ and RAID-0 compatible.