Question Low speed on SSD in SATA 3

Oct 17, 2022
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I have a Gigabyte GA-Q77-D2H motherboard with Sata 3, but I can't even get data speeds with it.

Speeds are around 300mb/s

I've already tested the same SSD and cable on another PC and the speed was 500ms/s.

BIOS is up to date with F2 version as well as Windows drivers.

I disabled the C6 function in the BIOS and had a slight gain.

Is there anything else I can do in the BIOS?
 

David3290321

Prominent
Nov 20, 2021
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Sata ssd’s are slow in todays terms, I would get a nvme drive instead (definitely worth it) my sata drive runs at around 250 so consider yourself lucky! Plus what companys say a sata ssd can run at it completely crap so I wouldn’t bother trying to make it run faster, remember to defrag and don’t forget about reseting your windows
 
I have a Gigabyte GA-Q77-D2H motherboard with Sata 3, but I can't even get data speeds with it.

Speeds are around 300mb/s

I've already tested the same SSD and cable on another PC and the speed was 500ms/s.

BIOS is up to date with F2 version as well as Windows drivers.

I disabled the C6 function in the BIOS and had a slight gain.

Is there anything else I can do in the BIOS?
Try a different sata data cable.

Post a screenshot from crystal disk mark for this ssd.
 
Oct 17, 2022
16
0
10
I have tested the same/ssd in other PC and it reached 500mb/s.

Whats-App-Image-2022-10-26-at-10-59-17.jpg
 
Those are sata3 speeds.
On sata2 you'd be limited to ~250MB/s

It's working as supposed.

You may try updating storage driver. But I wouldn't expect it to change much.

Note: On C: drive you'll get lowered benchmark scores, because windows is reading/writing to the drive all the time.