Western Digital has continued to drive the manufacturing of its 96-layer BICS4-3D NAND, and the corporate has been utilizing this flash reminiscence for varied retail storage gadgets for a few yr. At the moment, BICS4 is sufficiently out there. Within the second half of the yr, it’s anticipated to grow to be Western Digital's highest-volume flash reminiscence. And with WD shifting a lot capability to BICS4, the corporate is lastly turning to end-user SSDs based mostly on their newest NAND.
Launched in 2017, Western Digital's (and Toshiba's) BICS4 contains 3D NAND flash gadgets with 96 lively phrase strains (or ranges). The product household contains TLC and QLC 3D NAND gadgets with capacities starting from 256 GB to 1 TB. Initially, Western Digital produced 256Gb 3D TLC NAND for varied retail storage gadgets (similar to USB drives, reminiscence playing cards, and many others.), however the firm has now expanded its BICS4 product lineup. Importantly, storage is now eligible for SSDs, and Western Digital has begun transport bulk-based client SSDs.
Throughout the quarterly convention name on the corporate's earnings earlier this week, Western Digital CEO Stephen Milligan identified that "[d] deliveries of NVMe consumer SSDs based mostly on 96-layer, 3D Flash, BICS4 Know-how "No additional particulars have been offered throughout the name, and up to now, the corporate has not formally introduced any official BICS4 SSDs to the top person. So it stays to be seen whether or not these are OEM drives that are typically unannounced or the corporate is booming for a future launch, however in any case, it's clear we'll quickly see BICS4 SSDs from WD.
In the meantime, Western Digital has additionally introduced that BICS4 will account for greater than 25% of its complete deliverable NAND flash (in bits) in its June quarter. Sooner or later, this course of will proceed to develop and BICS4 will grow to be Western Digital's predominant reminiscence by the top of the yr, used for SSDs, retail storage, embedded storage, and different merchandise.
Supply: Western Digital / Seek for Alpha