Hi, thanks for that. I have to say I'm not familiar with all the things you mention. I am not sure if you have misunderstood my previous posts. Are you thinking it is the SSD which is slow? I did mention that the SSD seems much faster than the HDD clone. Having said that I do have an issue with SATA 3 on my system and hope it is not too 'off subject' to mention it here.
(I have checked the BIOS and see that sata ports 1-4 & 5-6 are AHCI enabled).
I must admit I have not found the time to review connections and settings and make myself familiar with the BIOS since the first boot up.
The thing I am puzzled about is the USB 3 connection on the main board which is 12 rows of vertical pins. I have not found a connection to fit this. Does that mean the case is not suitable for the main board?
The order of the drives to the row of connectors is- 1st (top left) the SSD drive 2rd & 3th two other sata HDD drives and 4th the optical drive. These are listed in the manual as- 'AMD serial ATA 6.0 GB/s connections (7-pin SATA6G_1-6(brown).
These connections are the first 3 double rows. The last 2 connections are listed as- 'SMedia serial ATA 6.0 Gb/s connectors (7pin SATA6B_E12 (grey).
The main board is a Sabertooth 990FX R2.0.