ADATA has introduced a substitute for his or her high SATA SSD, lastly shifting their SATA lineup totally to 3D TLC NAND flash reminiscence. The outgoing XPG SX950 (based mostly on Micron 32-layer 3D MLC) is being changed by the brand new XPG SX950U with 64-layer 3D TLC. ADATA has been one of many final main manufacturers utilizing MLC NAND in client SSDs, although Essential quickly re-entered that membership with the BX300. The overwhelming trade pattern has been towards 3D TLC NAND flash, particularly as the present era of 64-layer 3D NAND has arrived over the previous 12 months and eventually introduced all of the NAND producers absolutely into the 3D NAND period.
ADATA isn't guaranteeing precisely which NAND can be used within the SX950U, however each Micron and Toshiba/SanDisk 64L 3D TLC appear to be sooner than Micron 32L 3D NAND based mostly on the drives we've examined thus far. We count on the SX950U to make use of Micron NAND and solely change over to Toshiba NAND if there’s a compelling price benefit.
|ADATA XPG SX950U Specs|
|Capability||120 GB||240 GB||480 GB||960 GB|
|Controller||Silicon Movement SM2258|
|NAND Flash||64-layer 3D TLC NAND|
|Sequential Learn||as much as 560 MB/s|
|Sequential Write||as much as 520 MB/s|
|MSRP||$69.99 (58¢/GB)||$99.99 (42¢/GB)||$169.99 (35¢/GB)||$319.99 (33¢/GB)|
ADATA is sticking with Silicon Movement for the controller—virtually definitely nonetheless the SM2258—placing the SX950U on par with the Essential MX500 for each NAND and controller, however not firmware or energy loss safety. Based mostly on this, we count on the ADATA SX950U will most definitely be a bit slower than the MX500. ADATA's official efficiency specs don't present a lot steering, as a result of solely sequential learn and write numbers have been launched, and never damaged down by capability. ADATA additionally didn't announce write endurance scores, however the SX950U does carry a 5-year guarantee. The unique SX950 had a 6-year guarantee as a part of a method to make it seem extra premium that its efficiency justified, however 5 years is presently the usual for higher tier SSDs.
ADATA tends to have a variety of SSDs utilizing a wide range of controllers, and we count on at the very least one or two extra SATA drives with 64L 3D TLC to hitch the SX950U of their lineup over the following few months. ADATA normally has at the very least one DRAMless SSD of their SATA lineup (presently the SU700 with the Maxiotek MK8115 controller), and there’ll in all probability be one other SM2258-based drive with much less overprovisioning. On the M.2 PCIe facet, ADATA's lineup consists of Marvell, Silicon Movement and Realtek controllers, with the SX8200 coming quickly to introduce 64-layer 3D NAND to that product line.