Samsung 850 EVO Not Performing

Jackburg1 · Feb 6, 2016

Firmware is up to date, magician and crystal disk mark give roughly 317 seq read and 400 seq write.

It's advertised to go 540 read and 520 write.

Any ideas?

Not sure if this is relevant but computer specs:

CPU: Fx 8320
Mobo: 990FXA-UD3
Ram: 8 GB
GPU: Gtx 970
OS: Windows 10

It is using a 6 gbps sata cable

rgd1101 · Feb 6, 2016

what your full system spec? it did said up to
Up to 520 MB/sec
Up to 540 MB/sec

Jackburg1 · Feb 6, 2016

Edited to include specs. Does it matter that my OS is not on my ssd when I'm benchmarking?

Jackburg1 · Feb 6, 2016

Thanks for the speedy reply. The original post now includes specs. Let me know if you there's any other helpful information to know.

rgd1101 · Feb 6, 2016

Jackburg1 :

OS not on the ssd, no. although question is why not?
anyway. My guess is the amd motherboard chipset.

Jackburg1 · Feb 6, 2016

Scary.. I wanted to make sure the SSD was healthy before moving everything over. Is there any way to know for sure if it's the motherboard?

I found this link: http://www.tomshardware.com/answers/id-2558061/samsung-850-pro-ssd-work-fine-990fx-amd-motherboard.html

So I'm not positive if that's it.

I really just want to find a way to know if it's just a defective ssd so I can return it (just came in the mail today)

rgd1101 · Feb 6, 2016

Jackburg1 :

other then getting an intel system? no.
but you could check both your bios and motherboard chipset for the latest driver, but as always there a risk when you upgrade those, so backup your data.

rgd1101 · Feb 6, 2016

Jackburg1 :

read the last post on April 24, 2015 3:56:07 PM

Jackburg1 · Feb 6, 2016

The second-to last post shows benchmarks with (almost) same set up and he doesn't have nearly as low results as I do.

rgd1101 · Feb 6, 2016

Jackburg1 :

he/she have an Asus Sabertooth 990FX, not 990FXA-UD3

Jackburg1 · Feb 6, 2016

So you think it's not to do with amd chipset just that particular motherboard, why? What drew you to that conclusion, just curious.

Jackburg1 · Feb 6, 2016

Okay it's fixed. AHCI needed turned on *face palm* sorry.

542 read and 501 write.

But for the record, you were right. The IOPS is only 50-60k read and write. But oh well. Darn you samsung.

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Samsung 850 EVO Not Performing

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