Samsung 960 pro running slow on x299

ZXSpectrum · 27 Jul 2017 at 12:14

There is currently a slow NVMe performance issue currently with X299 motherboards. I have Asus looking into it as I have experienced issues on all motherboards. The problem is also apparent if you use a PCIe adapter card or the M.2 slots. The drives seem to be 10-20% slower on read performance against the same drive on X99 motherboards. I did not experience the same issues on my 400Gb Intel 750 Pro drive but the Read and Write performance is a lot lower than the M.2 drives so it may not be as apparent. I have tried 960 Evo, SM951, PM961 and SM961 Drives.

Posted this a week or so before this thread: https://forums.overclockers.co.uk/threads/x299-a-nvme-ssd-read-speeds.18786132/

kuyauk · 27 Jul 2017 at 12:18

ZXSpectrum said:
There is currently a slow NVMe performance issue currently with X299 motherboards. I have Asus looking into it as I have experienced issues on all motherboards. The problem is also apparent if you use a PCIe adapter card or the M.2 slots. The drives seem to be 10-20% slower on read performance against the same drive on X99 motherboards. I did not experience the same issues on my 400Gb 750 Pro drive but the Read and Write performance is a lot lower than the M.2 drives so it may not be as apparent. I have tried 960 Evo, SM951, PM961 and SM961 Drives.

Posted this a week or so before this thread: https://forums.overclockers.co.uk/threads/x299-a-nvme-ssd-read-speeds.18786132/

Thank you, lets hope this gets sorted.

ZXSpectrum · 27 Jul 2017 at 17:20

I have just had an update from ASUS. They have replicated the issue at HQ and are currently in contact with Intel regarding the matter.

kuyauk · 27 Jul 2017 at 17:23

ZXSpectrum said:
I have just had an update from ASUS. They have replicated the issue at HQ and are currently in contact with Intel regarding the matter.

Nice, so hopefully there will be a fix for the issue soon.

HoneyBadger · 27 Jul 2017 at 17:35

At least you now know it's an early adoption problem. Hope it gets sorted soon, you don't pay that amount of money for silly issues like this!

kuyauk · 27 Jul 2017 at 17:48

HoneyBadger said:
At least you now know it's an early adoption problem. Hope it gets sorted soon, you don't pay that amount of money for silly issues like this!

Well i was a bit disappointed to be honest, i expected it being a new board they would have devloped it straight off.

VKleita · 28 Jul 2017 at 14:53

It does seem a bit strange, you telling me no one in the R&D team ever tried a samsung 950 Pro (The fastest SSD thats out) and give it a whirl to check everything is OK?

Its not like its brand new device or rare.

Griff7520 · 17 Dec 2017 at 12:47

Was this fixed, i am having this problem with a x299 msi tomahawk i bought yesterday, never a problem on x99

B22222C · 9 Jan 2018 at 23:36

Same here, speeds very low on Asus X299 Strix XE Gaming... Soeeds below 2000mbs...

B22222C · 10 Jan 2018 at 16:29

Issue fixed with an m.2 Adaptor...
I use Asus Hyper M.2 X4 Mini and i get speeds of 3150/2050...
My motherboard is Asus Strix XE Gaming and 7820X processor and my M.2 disk is Samsung 960 Pro!

B22222C · 12 Jan 2018 at 21:06

Update: Even with the adaptor today i didnt pass 1800/1800...

ZXSpectrum · 15 Jan 2018 at 11:20

Weird isn't it?

You might want to check the block diagram on your motherboard manual to make sure the slot its in is connected to the CPU NOT the PCH. Weird how its just started doing it if it hasn't been moved or owt.

Pooh · 23 May 2018 at 21:10

B22222C said:
Issue fixed with an m.2 Adaptor...
I use Asus Hyper M.2 X4 Mini and i get speeds of 3150/2050...
My motherboard is Asus Strix XE Gaming and 7820X processor and my M.2 disk is Samsung 960 Pro!

Hi there

Which PCI slot is connected to the CPU. I've got an ASUS Prime X299-A on order and will order as Asus Hyper to go with it