NVMe vs SSD vs RPM Speeds Chart
The new M.2 PCIe NVMe drives are blazing fast! Although your 2 year old PC likely isn't equipped to handle one, even a SATA SSD can provide a significant performance boost for the least money.
In this test we compared the following drives to see just what kind of difference in rates we would see.
HP Ex920 M.2 PCIe NVME - Average rate - 1,510 Megabytes per second
Kingston SA400 SATA SSD - Average rate - 322 Megabytes per second
WD Blue 7200 RPM Drive - Average rate - 145 Megabytes per second