ADATA SD700 External 256GB SSD Review

The 3D TLC NAND equipped SD700 trails just behind the Transcend drive with its MLC NAND pretty much all through the throughput test, but the SD700 shows a better consistency of performance at very high block sizes.

Although it starts off slower than the Transcend drive writing smaller block sizes once it gets past 128KB, the denser 3D TLC NAND in the SD700 begins to show its advantage with bigger block sizes and at a 16MB block size, it gets close to 400MB/s at 395.6MB/s. It's also a much more consistent performer throughout the performance curve.

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