the best supplier in the SATA SSD market for years, had released the 860 EVO/PRO SSD produced by 64 layer 3D NAND with maximum 4TB capacity last year
Samsung, the best supplier in the SATA SSD market for years, had released the 860 EVO/PRO SSD produced by 64 layer 3D NAND with maximum 4TB capacity last year. So far, in the retail market, only Samsung is able to provide SATA SSD with 4TB storage space. But now Western Digital is also going to launch the SSD in 4TB, and it's a blue series. Western Digital blue SSD has always been the main series in the consumer market, can provide mainstream performance, also the price of WD Blue is suitable for the market, so the emergency of Western Digital 4TB SSD attract high attentions from the industry.
The part number of 4TB SSD blue is WDS400T2B0A, the full model of Western Digital Blue is 3D 4TB SSD, which has not yet appeared on the official page of Western Digital, but we can find it in the online store of European retailer edsystem. On the official page, we can get the info of Western Digital Blue 3D 4TB SSD, but the SanDisk Ultra 3D SSD only can provide maximum storage capacity to 2TB.
The Western Digital Blue 3D 4TB SSD should still use the same Marvell 88SS1074 controller same as the other WD Blue, and also adopt the SanDisk 64-layer 3D TLC NAND flash memory chip same as the other SSD capacities of the Western Blue disk. Although the previous flagship 2TB models come in traditional size of 2.5 inches and M.2 2280, it is uncertain whether the new 4TB model will follow this trend. Currently, according to the data from online store, the 4TB model has one 2.5 inches shape; the thickness of the shell is 7mm using the SATA III connector.
The performance of Western Digital Blue 3D 4TB SSD is similar to that of its current series 500GB and above. The drive provides a read speed of 560MB/s and a write speed of 530MB/s. Random performance can be up to 95000 IOPS by reads and 82000 IOPS by writes. There is a total of 600 TBW; Western Digital offers a five-year warranty for SSD.