Samsung 840 evo 256gb low random r/w(iops)

nielsk · Oct 18, 2013

Yesterday I got my new Samsung 840 evo 256gb. After updating everything with the latest drivers etc. my speeds still aren't what they' re supposed to be(I think).
It is plugged in into sataIII on my mb, and bios is set to ahci.

Can anybody help me figure this out, below are my benchmarks.

My specs:

AMD FX-8320 Black Edition
ASRock 970 Pro3 R2.0
Crucial Ballistix Tactical BLT2C4G3D1608ET3LX0CEU
MSI N760 TF 2GD5/OC
600W Power supply

running win7 x64

Thanks in advance!

Palorim12 · Oct 18, 2013

Did you do any of the optimizations?

nielsk · Oct 18, 2013

Sorry I forgot to mention, I tried several things with the optimizations, tried the different profiles etc. And theyre currently applied, except for windows search, but that doesn't make a difference. Rapid mode is also enabled

babernet_1 · Oct 18, 2013

I'm not sure of the problem. The 1000MB reads and writes are awesome. The only thing "weak" is the IOPS.

http://en.wikipedia.org/wiki/IOPS

Do you really think you are going to be regularly saving and writing over 65,000 files per second? Face it, your SSD is blazing. With that RAM cache, you are actually saving and writing faster than the SATA III interface can handle.

Relax, enjoy.

nielsk · Oct 18, 2013

I know, im surprised about the reads and writes aswell being that high.

I was just wondering what was causing these low IOPS speeds, and if it had any influence on gaming or other processes(startup etc)

Thanks for looking into this and I think im just gonna enjoy my SSD!

babernet_1 · Oct 18, 2013

nielsk :

+1

Palorim12 · Oct 18, 2013

Is the Sata cable SATA III 6GB/S? we've noticed a difference in Rapid mode with a Sata 2 cable and a SATA 3 cable.

nielsk · Oct 18, 2013

I suppose it is, it got delivered with my ASrock mobo, which only has 6 sata III ports.
So i guess that isnt the case

Any other possible solutions that might help?

Thanks again

nielsk · Oct 19, 2013

Today i installed my ssd on a sata II system, guess what, almost identical random R/W iops numbers. However the sequential were alot lower (around 300, as advertised for sata II

I still dont get how its possible, and cant let it go why my newer system has the same speeds as a ssd plugged into a 6 year old.

Anybody?

babernet_1 · Oct 19, 2013

Relax, enjoy, let go.

This is like buying a Porsche and wondering why it takes so long for the electric seat to move forward and back.

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Samsung 840 evo 256gb low random r/w(iops)

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