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Low performance for my PCIe SSD Intel 900P

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Nightlane View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nightlane Quote  Post ReplyReply Direct Link To This Post Topic: Low performance for my PCIe SSD Intel 900P
    Posted: 07 Feb 2023 at 3:34pm
Please, help me find out what is happening with my system. Optane 900P seems to work at half speed, and the access times are worrisome: 0.04 - 0.05 instead of around 0.1.

My system: Ryzen 1700 with x370 Taichi motherboard. Windows 10.

Benchmarks:
https://preview.redd.it/xc9sv7xijrfa1.png?width=623&format=png&auto=webp&v=enabled&s=baf53cdd8314dc2135619238d5cae58d5d4a6a3c
https://preview.redd.it/oceaxwt3jrfa1.png?width=602&format=png&auto=webp&v=enabled&s=3c8d06dcf6095249ad64bdaaa00e91262ab9bf07
https://preview.redd.it/3s7kw026jrfa1.png?width=704&format=png&auto=webp&v=enabled&s=6bc74be2cf98fa089f48157f1c5925b2897bc750

Current 900P firmware, supposedly the latest? 2010603.

The PCI lanes:
-----

PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.

PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.

PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.

PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.

PCIE5 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.

* If PCIE5 slot is occupied, M2_2 will be disabled

-----

https://preview.redd.it/yn7z13i8ezfa1.png?width=1653&format=png&auto=webp&v=enabled&s=7e750a4da96820bb704e5601c7b96b64a4f67b9f


As far as I see, the PCIe5 seems to be the best place for this drive, as it has an x2 socket, but that PCIe5 seems to be shared between several devices.

Anyway, I tried to put the drive into the secondary GPU PCIe3, so I have both the GPU and the 900P with x8 lanes. Better bandwidth, but well, not better access times (and of course, it is limiting the GPU):
https://preview.redd.it/0370htw7ykga1.png?width=620&format=png&auto=webp&v=enabled&s=c41d52d7ff8bb48f14d695c67ef8ef0e70e20ae5
https://preview.redd.it/qi3c87t0zpga1.png?width=2560&format=png&auto=webp&v=enabled&s=aeccbe162b9f735c8ad1a96bb6e1ddca077f9661


Please, Is this a limitation of this motherboard? or must I install some driver? I have already installed the latest intel drivers for my drive and tried other driver versions as well, but the problem persists.

Thank you
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Nightlane View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nightlane Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 3:39pm
(why can't I edit my posts?)

Please, how can I fix all this?

The PCIe setup I had before moving the 900P:
PCIe1: empty
M2_1: the Samsung ssd
PCIe2: GPU
PCIe3: empty
PCIe4: sound card
PCIe5: 900P
M2_2: empty (and unusable with current setup)

Currently, with better bandwidth but the same access times and limited GPU:
PCIe1: empty
M2_1: the Samsung ssd
PCIe2: GPU
PCIe3: 900P
PCIe4: empty
PCIe5: sound card
M2_2: empty (and unusable with current setup)


Drivers? Maybe some type of M2 to PCIe adaptor?
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cx5 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cx5 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 3:58pm
Hi @Nightlane

PCIe5: 900P is Gen2, not Gen3 and PCIe5 is going through x370promontory chipset then to CPU, latency highest.

PCIe3: 900P goes direct to CPU 8xLANEs but 4x is wasted not used. If you want to reduce latency then move it to PCIe2.

If you want even lower latency then buy a convertor M.2 riser to PCIe socket and plug the 900p into M.2_socket_1_riser_adaptor + 12V power mini molex thing. This is the original dedicated Gen3_pcie_4_lanes shortest direct to CPU.

GPU running 8xLANEs is not limited, especially if you plat 1440p or 4k they are always GPU bound. Even at 1080p, performance not lost may be just 1%, nothing to cry about.
x370taichi@3.50gen4
AX750 Optane900P SN770
3800x PosdonZro4 BarrowPWM-17w>420x140x28
XFX SWFT319 6900XT
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cx5 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 4:06pm
Hi @Nightlane

I used to have 1700x, nearly same as your 1700, it's not strong enough to push the 1080TI.

I ran 1700x with Vega64 and it's not enough to saturate PCIe_gen3_8xlanes. In fact 1700x was a perfect match for R9_290x.

You need 3700x or higher to push the 1080TI, may be Ryzen5000 would be perfect match. Certainly the 5800x3D can push the 1080TI to whole new height properly.

If you get the latest RX7900XTX or higher you will need the lastest Ryzen7000 series, best get the x3D, else the potentials of GPU are not fully utilized.
x370taichi@3.50gen4
AX750 Optane900P SN770
3800x PosdonZro4 BarrowPWM-17w>420x140x28
XFX SWFT319 6900XT
MSI RX560 LP to get Fluid Motion BlueskyFRC 75hz
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Katana1074 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 5:23pm
Any particular reason why you are using the IntelĀ® Optane??Memory User Interface and Driver for System Acceleration 16.8.4.1011 ???

the correct driver for optane 900p is at: https://www.intel.co.uk/content/www/uk/en/products/sku/123628/intel-optane-ssd-900p-series-280gb-12-height-pcie-x4-20nm-3d-xpoint/downloads.html

https://downloadmirror.intel.com/762952/SetupNVME.exe

regards
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nightlane Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 8:22pm
Originally posted by cx5 cx5 wrote:

Hi @Nightlane

PCIe5: 900P is Gen2, not Gen3 and PCIe5 is going through x370promontory chipset then to CPU, latency highest.

PCIe3: 900P goes direct to CPU 8xLANEs but 4x is wasted not used. If you want to reduce latency then move it to PCIe2.

If you want even lower latency then buy a convertor M.2 riser to PCIe socket and plug the 900p into M.2_socket_1_riser_adaptor + 12V power mini molex thing. This is the original dedicated Gen3_pcie_4_lanes shortest direct to CPU.

GPU running 8xLANEs is not limited, especially if you plat 1440p or 4k they are always GPU bound. Even at 1080p, performance not lost may be just 1%, nothing to cry about.

Thank you! Very insightful!

ok, so, I like the riser option :-). I suppose I should buy this type of thing, https://www.amazon.co.uk/MZHOU-V009S-PLUS-PCIE-Riser-Card-Black16x-NVME/dp/B09FPSC28Y/

And I suppose that x70 taichi M2_1 will be more performant than M2_2, so I should plug the riser there and move the Samsung 970 pro to M2_2.

Please, Am I right?



About the option of swapping GPU and 900p, I suppose that the possible GPU performance loss is negligible. Right?


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nightlane Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 8:24pm
Originally posted by Katana1074 Katana1074 wrote:

Any particular reason why you are using the IntelĀ® Optane??Memory User Interface and Driver for System Acceleration 16.8.4.1011 ???

the correct driver for optane 900p is at: https://www.intel.co.uk/content/www/uk/en/products/sku/123628/intel-optane-ssd-900p-series-280gb-12-height-pcie-x4-20nm-3d-xpoint/downloads.html

https://downloadmirror.intel.com/762952/SetupNVME.exe

regards

Star Citizen, and I am a nerd and a coder, hahaha

Thank you!

I checked that driver, and then the one you saw, and got +- the same performance. I will reinstall the recommended drivers again.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nightlane Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 8:26pm
Originally posted by cx5 cx5 wrote:

Hi @Nightlane

I used to have 1700x, nearly same as your 1700, it's not strong enough to push the 1080TI.

I ran 1700x with Vega64 and it's not enough to saturate PCIe_gen3_8xlanes. In fact 1700x was a perfect match for R9_290x.

You need 3700x or higher to push the 1080TI, may be Ryzen5000 would be perfect match. Certainly the 5800x3D can push the 1080TI to whole new height properly.

If you get the latest RX7900XTX or higher you will need the lastest Ryzen7000 series, best get the x3D, else the potentials of GPU are not fully utilized.

Thank you!

I am thinking about upgrading my CPU for one of those 5800X 3D, but later when the home economy is better and I can grab a good deal. Please, do you think I should replace the motherboard as well? Memory?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nightlane Quote  Post ReplyReply Direct Link To This Post Posted: 07 Feb 2023 at 8:47pm
Oh, yeah, and about the riser, I have to find a way to attach it to my computer case, a "Phanteks Enthoo EvolV silver"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Katana1074 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 2023 at 6:10am
Hi there I have an Intel 900p pcie ad in card they are pcie 3.0 based

here's a link to my asssd score if it helps any...

https://imgur.com/mmceU7V
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