Samsung announces the QVO 870 SSD with double the capacity of its predecessor

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Samsung today announced the QVO 870 consumer SSD, its second-generation SSDs using quad-level cell (QLC) technology. The company debuted QLC SSDs in late 2018 with the QVO 860 SSD, which came in sizes up to 4TB. The new model doubles the maximum capacity, with an "industry-leading" 8TB of storage space.
 
In addition to a significant bump in storage capacity, the new model also promises enhanced performance and reliability. The drive uses a single-level cell (SLC) buffer to help maintain its peak performance for longer, since QLC storage tends to be slower in exchange for the higher capacity in a smaller physical package. The SLC buffer is variable, with up to 42GB on the 1TB model and up to 78GB on the larger models.
 
It promises slightly higher sequential read and write speeds, plus up to 13% better random read speeds. However, despite the promised improvements, the spec sheet doesn't look all that different between the new model and the previous one.

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