The Samsung PM9A1 is the OEM version of the 980 Pro, a top-tier PCIe 4.0 NVME SSD. What about an older SATA SSD(one without DRAM buffer or HMB), or a 5400RPM ha

The Samsung PM9A1 is the OEM version of the 980 Pro, a top-tier PCIe 4.0 NVME SSD. What about an older SATA SSD(one without DRAM buffer or HMB), or a 5400RPM hard drive? Also as others have pointed out, random I/O will tank perf, especially simultaneous r/w operations to the same media.