There was a bug in a version from a few weeks ago that always waited for copy. It was fixed in a later release. If you haven’t updated in a while, maybe try that.
It could be related to your connection method. I am using WD Elements Desktop 6TB and I am getting nearly 250 MB/s in the first plot and around 120 MB/s in the last plot. This is while plotting also.
I connect my drives through the USB 3 hubs by the way.
Yeah this is something I was looking into.
tnx for sharing the commands, will try. I already enabled it in the Disk manager, but somehow that doesn’t seem to work too well. I also disabled all the sleep timers there, but half the disks are still showing standby (zzz) icons.
But still, even without cache, the write speed should be a lot better.
@kreaninw First I thought it was because of sata2 ports, but sata3 ports gave the exact same speed. Then I switched the cable but still same speed. I will try a regular Sata cable next and see if that makes any difference.
Also the transfer speeds to the drives connected via the perc310 are better, but still below normal Sata3 speed. SO I wonder if there is something that could be limiting the mainboard bus speeds somehow. But I have no idea what that can be.