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Western Digital is unveiling its latest addition to the mainstream WD Blue family today - the SN580 NVMe SSD. A DRAM-less PCIe 4.0 x4 drive, it brings in performance improvements over the current lead product in the line - the SN570 launched in late 2021. This DRAM-less drive is the first PCIe Gen4 SSD in the WD Blue lineup. As a mainstream drive, the WD Blue SN580 is meant for consumer systems requiring quick launches of applications in multitasking scenarios, along with high responsiveness. WD has also optimized the firmware for fast loading of large-sized media assets (a nod towards content creators). Most importantly, the DRAM-less nature and a non-overreaching performance goal (up to 4150 MBps, which is on the low end for a Gen4...