I currently have 6 Samsung SSD, 840, 850, 860, and now 870EVO and 870QVO. As an example, my older 860QVO will show on Chrystalmark 564 read and 531 write. The 870EVO will score 397 read and 144 write, the 870QVO will score 400 read and 397 write plugged into the same port. These were tested on 6Gb Sata ports. I tried moving them around to different ports but got the same results. Anyone else experiencing this, or have a suggestion as to why these new drives are testing so much lower (the EVO I just got yesterday).