Samsung Electronics today announced that it is mass-producing 256GB solid-state disk drives that deliver double the performance rate of its earlier 64GB and 128GB drives. The new SSDs are designed for use in laptop and desktop PCs and are available for resellers today.
Samsung said it has been able to narrow the disparity between read and write speeds on the drive from previous models to about 10%. That yields a sequential read rate of 220MB/sec. and sequential write rates of 200MB/sec.
The company said it was also able to increase the erase cycles, allowing for the entire drive to be rewritten faster. Previously, Samsung’s SSDs required data blocks marked for deletion to be erased only when data was ready to be written. Now the blocks are erased as they are marked for deletion.
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