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Samsung introduces the 870 Evo SATA SSD with faster speeds

Samsung has announced the latest iteration in its lineup of 800 Evo series of SSDs, the 870 Evo. The new drive is a modest upgrade over its predecessors, but it does have some improvements, starting with speed.

Samsung says the 870 Evo uses its latest V-NAND flash memory and controller and so it reaches the maximum speed of the SATA 6Gbps connection, with 560MB/s sequential reads and 530MB/s sequential writes. Samsung also says random read performance is up to 38% faster for QD1 reads compared to the 860 Evo, but the specs list doesn't actually show the performance for QD1 reads on the new drive. In fact, comparing the QD32 reads and writes with the previous generation, the 870 Evo actually appears to be a bit slower, with similar reads, but 88,000 IOPS for writes, slightly below the 90,000 IOPS of the 860 Evo.

Samsung also says the 870 Evo offers up to a 30% increase in sustained performance compared to its predecessor. The new model features Samsung's TurboWrite technology to help sustain its peak performance using an SLC buffer, though the drive itself uses TLC memory. Samsung promises "class-leading" longevity, too, with up to 2,400TBW (terabytes written) on the top-tier 4TB model.

The Samsung 870 Evo SSD is available starting at $39.99 for the 250GB model. The 2TB and 4TB are only up for pre-order, and prices max out at $479.99.

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