http://download.cnet.com comes from the SanDisk Ultra series just before the acquisition, utilizing Marvell88SS1074 master and SanDisk 64-layer 3DTLC flash memory (from Toshiba and SanDisk joint venture factory, BiCS3 architecture).

Western Digital did not hold a press conference especially for the 4TB blue disk SSD, and also the official website has not updated item information. But we can guess that its flash memory utilizes a high-capacity version of BiCS3 flash memory, and the capacity of every single flash die is improved from 256Gb to 512Gb, supplemented by 16die packaging, which can realize 1TB capacity per flash particle. Within this way, Western Digital Blue Disk only wants four flash memory particles to achieve 4TB capacity, and may still be made into M.22280 single-sided layout.

Nearly at the exact same time, Samsung also updated the 970Pro SSD solution line, adding a 2TB capacity version to this flagship NVMe solution employing 3DMLC flash memory.

The 2TB 970Pro also appeared available on the market without having becoming officially announced. Presently, JD.com includes a number of third-party retailers selling goods for 5999 yuan, however they are all out of stock.

Samsung 970Pro was released in 2018, employing 64-layer stacked 3DMLC flash memory, and its sister model 970Evo has been updated to 92-layer stacked 3DTLC flash memory this year, and renamed 970EvoPlus. It seems that Samsung will not intend to vigorously promote the newly launched 970Pro2TB, soon after all, pricing determines that it can be unlikely to turn out to be a mainstream hot-selling model. Currently, the Samsung 970EvoPlus2TB is priced at about 3800 yuan on Taobao.
Immediately after a lengthy value cut, the earnings from the original flash memory makers have already been greatly reduced. Samsung has warned investors that its profit for the first quarter of 2019 is expected to decline by 60% year-on-year. SKHynix announced this week that it'll discontinue the production of older 36-layer and 48-layer stacked 3D flash memory items and boost the production of newer 72-layer stacked items to reduce manufacturing costs. Micron also said unreadable usb that it's going to reduce a number of the old flash memory production lines. Plenty of data has shown that the costs of flash memory and strong state drives are approaching the bottom.