Endurance, then, is handsome for an entry-level drive. Increasing the capacity to 1TB means that 175GB can be written per day. Even the smallest-capacity drive is specified with 80TB TBW, which breaks down into 44GB writes per day for five years. ![]() It's good to see that drive endurance has increased from generation to generation, and Crucial is confident enough to double the total bytes written as capacity also doubles. Though this cuts into capacity, the use of dynamic SLC should provide a nice up-tick in performance. Keeping the speed up is new technology dubbed Dynamic Write Acceleration that can use any spare NAND in performance single-bit-per-cell SLC mode rather than the usual two-bits-per-cell MLC. ![]() The trio of new drives is specified at a speedy 555MB/s read and 500MB/s write potential throughput, which is impressive for a 250GB model. You may notice that the MX200 shaves a little user-accessible capacity in favour of longer-term reliability and higher performance. It will come as no surprise that Crucial continues the theme of basing consumer drives on the latest Micron (parent company) SSDs the M600 is the design blueprint for the MX200. ![]() The two smaller drives are also available in M.2 (22 sizes) and mSATA flavours for laptops and NUC-style PCs. Continuing development in SSD density and reduction in cost means it's semi-pointless selling 128GB drives capacities, therefore, begin at 250GB and rise to 1TB. Crucial uses the same Marvell 88SS9189 controller and 16nm 128Gbit dice as on the MX100 predecessor.
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