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- cheap
- Slow for PCIe 4.0
The WD Blue is Western Digital's bread and butter SSD, the SN580 is the successor to the SN570. The in-house controller now uses PCIe 4.0, but the flash memory is the same as in the 570, there is no DRAM. The acceleration compared to its predecessor is also moderate, with the SN580 only achieving around 4.1 GByte/s when reading and writing...