Among several announcements today, Western Digital is introducing a new more affordable PCIe Gen4 SSD under their gaming-oriented WD Black brand (styled WD_BLACK). The new WD Black SN750 SE is not just a refresh of their existing SN750 but instead appears to be an entirely new and different drive. The SN750 SE brings PCIe Gen4 support but in other respects seems to be a downgrade compared to the SN750, and appears to have more in common with the WD Blue SN550. Based on the pictures and the few performance specifications that have been disclosed so far, the SN750 SE looks like a 4-channel DRAMless NVMe SSD, with respectable sequential read throughput but reduced sequential write throughput compared to the original SN750. Random IO performance...
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