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  1. #1
    ROG Guru: White Belt Array Godofmosquitoes PC Specs
    Godofmosquitoes PC Specs
    Laptop (Model)Dell XPS 15 9570 8750H 4K, 16GB, 512GB
    MotherboardCrosshair VIII Dark Hero
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)F4-3200C14Q-64GVK
    Graphics Card #1MSI 3090 Gaming X Trio
    Sound CardSound BlasterX G6
    MonitorLG CX 48"
    Storage #1Samsung 980 Pro 1TB
    Storage #21xSamsung 960 Pro 1TB, 1xSamsung 860 EVO 4TB, 1xCrucial MX300 2TB, 3xSeagate Archive 8TB
    CPU CoolerNZXT X63 4xNoctua NF-A14 PWM L.N.A. 1200RPM
    CaseFractal Design Define S2 XL
    Power SupplyCorsair AX1600i
    Keyboard Corsair K70 RGB MX Silent
    Mouse Logitech G502
    Headset Sennheiser GSP 500
    Headset/Speakers Bowers & Wilkins MM-1
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    Network RouterASUS RT-AX88U

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    Lightbulb Crosshair VIII Dark Hero M.2 SSD's get really hot?

    So, I have two M.2 SSD's on my Dark Hero board. And they both get super hot during gaming.

    In the upper slot above the graphics card, I have my old Samsung 960 Pro installed, and below the graphics card in the second slot, there's my Samsung 980 Pro installed.

    My graphics card is an RTX 3090 MSI Gaming Trio X, my CPU is an AMD 5950X, I'm using an NZXT X63 cooler with 4x140mm Noctua fans in push/pull in the top of my Fractal Design Define 7 XL case, 3x140mm Noctua fans as intake in the front, and 1x140mm Noctua fan as outtake in the back.

    Both SSD's are installed using the motherboard's built in heatsinks. However, during gaming, I'm guessing due to all the hot air from the 3090, my top 960 Pro gets up to 68 degrees C, and my bottom 980 Pro reaches 58 degrees C. So it appears to me, that the built-in SSD heatsinks aren't very good.

    I've tried replacing the heatsinks with those from Sabrent. But when installed, the shape of the bottom part of the Sabrent heatsink seems to be incompatible with the M.2 standoffs ASUS supplies for the motherboard. Resulting in the SSD not being detected when turning on the PC.

    So I was wondering if anyone knows if replacing the the heatsinks on this motherboard even helps, as it would appear at least the top SSD slot will receive a lot of passive heat from the graphics card during gaming in any event.

    Any thoughts?

  2. #2
    New ROGer Array dzo888 PC Specs
    dzo888 PC Specs
    MotherboardROG CROSSHAIR VIII HERO (WI-FI) | BIOS 3601
    ProcessorAMD RYZEN 9 5900X
    Memory (part number)G-SKILL F4-3600C16Q-64GTZN | (16-16-16-36-52)
    Graphics Card #1NVIDIA RTX 3090 FOUNDERS EDITION
    Graphics Card #2ASUS ROG STRIX RTX3070 O8G GAMING
    Graphics Card #3ASUS TUF RTX3070 O8G GAMING
    MonitorSAMSUNG U28D590D & LG OLED55CXAUA
    Storage #1SAMSUNG 970 EVO 500GB M.2 NVMe
    Storage #2SAMSUNG 860 EVO 1TB SSD SATA & WD BLACK 1TB WD1003FZEX SATA
    CPU CoolerNOCTUA NH-D15
    CaseTHERMALTAKE LEVEL 20 HT SNOW
    Power SupplyENERMAX REVOLUTION D.F. 850W
    Keyboard LOGITECH G513 CARBON GX BLUE
    Mouse LOGITECH G PRO WIRELESS
    Headset SONY WH-H900N
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    When I first installed the board, there was a protective film on the front of the heatsink and a film on the back of the heatsink protecting the thermal pads. These should be peeled off.

    Possible options are you can try changing out the thermal pads for something with higher thermal conductivity, but this won't solve the hot air from the video card.

    If you don't mind mounting your video card off the board, you can try buying a PCI-E riser cable from Thermaltake and try mounting the card slightly away from the motherboard or standing it up in your case. (Won't be safe in an earthquake though)

  3. #3
    ROG Enthusiast Array Nicholas Steel PC Specs
    Nicholas Steel PC Specs
    MotherboardASUS Crosshair Hero VIII WiFi
    ProcessorAMD Ryzen 3700X
    Memory (part number)16GB DDR4 3600Mhz
    Graphics Card #1Nvidia Geforce 1070Ti 8GB
    Sound CardIntegrated
    MonitorSamsung P2350
    CPU CoolerNoctua NH D-14
    CaseFractal Design Define R5
    Power SupplyCorsair AX760
    Keyboard DELL SK8110/Logitech Orion 610
    Mouse ASUS Gladius
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    68c sounds fine. SSD's like being around 60-80 degrees. Do some benchmarks/stress tests to test if the SSD's are thermal throttling.
    Last edited by Nicholas Steel; 04-14-2021 at 05:02 AM.
    Computer specifications:
    Windows 10 Pro x64|AMD Ryzen 3700X|ASUS Crosshair Hero VIII WiFi Motherboard|16GB DDR4 3600Mhz RAM|Integrated Audio|MSI Geforce 1070Ti|Corsair AX760 Platinum Power Supply|Fractal Define Design R5 Computer Case|Samsung P2350 Monitor

  4. #4
    ROG Guru: Orange Belt Array Legolas PC Specs
    Legolas PC Specs
    MotherboardMaximus X Hero Wifi AC
    ProcessorIntel Core i7 8600k oc 5Ghz
    Memory (part number)Samsung DDR4 16GB
    Graphics Card #1ASUS NVIDIA GTX 1080
    MonitorASUS MS246
    Storage #1Samsung MZVPV256
    Storage #2Samsung MZVPV256
    CPU CoolerCorsair H110I v2
    Power SupplyPC 1200W Turbo-Cool 1200
    Keyboard ASUS SK2045

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    If you have inlet fan close to the M.2 side (front of the case?), please increase fan to turbo or higher to cool down the motherboard. You can even try installing M.2 fan.
    Sincerely,
    Legolas

  5. #5
    ROG Guru: White Belt Array Godofmosquitoes PC Specs
    Godofmosquitoes PC Specs
    Laptop (Model)Dell XPS 15 9570 8750H 4K, 16GB, 512GB
    MotherboardCrosshair VIII Dark Hero
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)F4-3200C14Q-64GVK
    Graphics Card #1MSI 3090 Gaming X Trio
    Sound CardSound BlasterX G6
    MonitorLG CX 48"
    Storage #1Samsung 980 Pro 1TB
    Storage #21xSamsung 960 Pro 1TB, 1xSamsung 860 EVO 4TB, 1xCrucial MX300 2TB, 3xSeagate Archive 8TB
    CPU CoolerNZXT X63 4xNoctua NF-A14 PWM L.N.A. 1200RPM
    CaseFractal Design Define S2 XL
    Power SupplyCorsair AX1600i
    Keyboard Corsair K70 RGB MX Silent
    Mouse Logitech G502
    Headset Sennheiser GSP 500
    Headset/Speakers Bowers & Wilkins MM-1
    OS Windows 10 Pro x64
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    So, I played around with it some. With my 3090 spilling 350W inside my case, and also radiating heat, the upper M.2 slot temperatures get too high during stress to my liking.

    In my case, during gaming, even when dropping my Samsung 960 Pro in it, which doesn't get as hot as the 980 Pro, the 960 Pro would get up towards 70 degrees C. This seemed to cause thermal throttling. I use the Fractal Design Define 7 XL with six Noctua fans in it (eight if you count the push/pull on my AIO), so airflow should be fine. It's just, damn, that 3090 generates a lot of heat.

    Even the bottom M.2 slot got too hot with a Samsung 980 Pro in it, which in itself also gets really hot. I tried the Sabrent M.2 heatsink, but actually found that the stock ASUS heatsink did a better job. This wasn't due to a lack of heat-transfer to the Sabrent heatsink, as it got burning hot during operation.

    The only way I've managed to keep my 980 Pro at least down in the high 50's during stress load and heavy gaming, is to install it in the PCI-E Sabrent M.2 card with a big heatsink on it (not to be confused with the Sabrent M.2 heatsink), and putting it in my bottommost PCI-E 16x slot. Now it doesn't get hotter than 58 degrees, and my 960 Pro also stays around 55 degrees, when installed in the bottom M.2 slot.
    Last edited by Godofmosquitoes; 05-04-2021 at 06:28 PM. Reason: Mistyped what case I have

  6. #6
    ROG Guru: White Belt Array DjRavix PC Specs
    DjRavix PC Specs
    MotherboardAsus Maximus XIII Extreme
    ProcessorIntel i9 11900K
    Memory (part number)Corsair Dominater Platinum RGB (c
    Sound CardFocusrite Scarlett 18i8 MK2
    MonitorSamsung SyncMaster S22B350 (X2)
    Storage #1Samsung 980 Pro
    CPU CoolerEK Velocity
    CasePhanteks Enthoo Primo
    Power SupplyCorsair AX1200i
    Keyboard Logitech K800
    Mouse Logitech MX Master 3
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    OS Windows 10 Pro
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    Quote Originally Posted by Godofmosquitoes View Post
    So, I played around with it some. With my 3090 spilling 350W inside my case, and also radiating heat, the upper M.2 slot temperatures get too high during stress to my liking.

    In my case, during gaming, even when dropping my Samsung 960 Pro in it, which doesn't get as hot as the 980 Pro, the 960 Pro would get up towards 70 degrees C. This seemed to cause thermal throttling. I use the Fractal Design Define S2 XL with six Noctua fans in it (eight if you count the push/pull on my AIO), so airflow should be fine. It's just, damn, that 3090 generates a lot of heat.

    Even the bottom M.2 slot got too hot with a Samsung 980 Pro in it, which in itself also gets really hot. I tried the Sabrent M.2 heatsink, but actually found that the stock ASUS heatsink did a better job. This wasn't due to a lack of heat-transfer to the Sabrent heatsink, as it got burning hot during operation.

    The only way I've managed to keep my 980 Pro at least down in the high 50's during stress load and heavy gaming, is to install it in the PCI-E Sabrent M.2 card with a big heatsink on it (not to be confused with the Sabrent M.2 heatsink), and putting it in my bottommost PCI-E 16x slot. Now it doesn't get hotter than 58 degrees, and my 960 Pro also stays around 55 degrees, when installed in the bottom M.2 slot.
    it might be interesting to see what happens if you were to use another GPU (if you have one or can borrow one for testing)
    in this case A blower style or low power GPU would show you if your 3090 is heating up the M.2 heatsinks
    You might also want to keep an eye on the chipset temps since the ROG Crosshair VIII Dark Hero has passive cooling on that
    and the chipset heatsink is directly placed underneath the primary x16 Slot

    I am A bit confused about the case you are using
    is it a Fractal Design Define 7 XL or a Fractal Design Define S2 XL ???
    ASUS Maximus 13 Extreme
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    EK-XTOP Revo Dual D5 PWM Serial - (incl. 2x pump)
    XSPC RX480 + XSPC RS280
    4 X Corsair SP120 PWM OEM Fans
    2 X Noctua NF-A14 industrialPPC-2000 IP67 PWM
    2 X Noctua NF-A14 PWM chromax.black.swap
    2 X Noctua NF-S12A PWM chromax.black.swap
    1 X Noctua NF-A15 HS-PWM chromax.black.swap

  7. #7
    ROG Guru: White Belt Array Godofmosquitoes PC Specs
    Godofmosquitoes PC Specs
    Laptop (Model)Dell XPS 15 9570 8750H 4K, 16GB, 512GB
    MotherboardCrosshair VIII Dark Hero
    ProcessorAMD Ryzen 9 5950X
    Memory (part number)F4-3200C14Q-64GVK
    Graphics Card #1MSI 3090 Gaming X Trio
    Sound CardSound BlasterX G6
    MonitorLG CX 48"
    Storage #1Samsung 980 Pro 1TB
    Storage #21xSamsung 960 Pro 1TB, 1xSamsung 860 EVO 4TB, 1xCrucial MX300 2TB, 3xSeagate Archive 8TB
    CPU CoolerNZXT X63 4xNoctua NF-A14 PWM L.N.A. 1200RPM
    CaseFractal Design Define S2 XL
    Power SupplyCorsair AX1600i
    Keyboard Corsair K70 RGB MX Silent
    Mouse Logitech G502
    Headset Sennheiser GSP 500
    Headset/Speakers Bowers & Wilkins MM-1
    OS Windows 10 Pro x64
    Network RouterASUS RT-AX88U

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    Quote Originally Posted by DjRavix View Post
    it might be interesting to see what happens if you were to use another GPU (if you have one or can borrow one for testing)
    in this case A blower style or low power GPU would show you if your 3090 is heating up the M.2 heatsinks
    You might also want to keep an eye on the chipset temps since the ROG Crosshair VIII Dark Hero has passive cooling on that
    and the chipset heatsink is directly placed underneath the primary x16 Slot

    I am A bit confused about the case you are using
    is it a Fractal Design Define 7 XL or a Fractal Design Define S2 XL ???
    I tried changing the BIOS on my card to the Low Temperature version, found on MSI's website. This dramatically reduced the heat of my M.2 drives while gaming. The 980 Pro, installed in the lowest 16X PCI-E slot in the Sabrent PCI-E heatsink/card they have for sale, now reaches 45 degrees maximum, and the 960 Pro, situated in the lower of the two M.2 slots on the motherbard, reaches 51 degrees maximum.

    Lol, my bad. It's the Define 7 XL

  8. #8
    ROG Guru: Orange Belt Array
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    Those temps while not the best are within tolerance. So long as you arent throttling you havent hit a thermal limit. I believe these throttle at like 90C.

  9. #9
    New ROGer Array
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    most m2 drives without fan cooling will reach 60-70 Celsius under heavy load ....Installing a side chassis fan blowing over the PCI-E slots actually dropped my temps by almost 25c (at first reaching around 64c). With a fan they run at low 40c. Any small amount of airflow is pretty much all that they need. As a note there are statements from hardcore techs, that suggest, that a higher temperature is better for working/powered flash cells as it causes less wear. However for average users it doesn't matter much.

  10. #10
    ROG Guru: White Belt Array DjRavix PC Specs
    DjRavix PC Specs
    MotherboardAsus Maximus XIII Extreme
    ProcessorIntel i9 11900K
    Memory (part number)Corsair Dominater Platinum RGB (c
    Sound CardFocusrite Scarlett 18i8 MK2
    MonitorSamsung SyncMaster S22B350 (X2)
    Storage #1Samsung 980 Pro
    CPU CoolerEK Velocity
    CasePhanteks Enthoo Primo
    Power SupplyCorsair AX1200i
    Keyboard Logitech K800
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    Quote Originally Posted by Godofmosquitoes View Post
    I tried changing the BIOS on my card to the Low Temperature version, found on MSI's website. This dramatically reduced the heat of my M.2 drives while gaming. The 980 Pro, installed in the lowest 16X PCI-E slot in the Sabrent PCI-E heatsink/card they have for sale, now reaches 45 degrees maximum, and the 960 Pro, situated in the lower of the two M.2 slots on the motherbard, reaches 51 degrees maximum.

    Lol, my bad. It's the Define 7 XL
    What you could do ... since the problem is that your GPU heats up your M.2 Drives (And probably also the chip-set)
    is take the heat away from your GPU with an alternative cooling Method
    I do not know if your comfortable with doing this but my suggestion would be to do a custom Loop with both CPU & GPU
    Since this is the easiest way to get the heat away from the M.2 Slots and the Chip-set
    There is a Guy on YouTube (Optimum Tech if I recall correctly) that actually did a AMD 5950X and 3080 in a single loop on A XSPC EX280 Rad
    I actually have one of those and there is actually a 420 variant of that radiator (Unfortunately XSPC doesn't produce those anymore)
    from looking at the specs of the case you should be able to get a 420 (3 X 140) or 480 (4 X 120) in the top of your case
    in theory that should be enough to handle both the CPU and GPU
    You also have the option to add a 120/140 in the back if you want
    I would not recommend using the Front 420/480 or Bottom 240/280 Radiator locations since these are best used as intakes for to get some airflow into the case

    I can understand that you might not be wiling to go this route
    but in my opinion it's the best option that I can think off to not loose any GPU performance while still and having your M.2 Drives Running Cooler (even when using the onboard slots)
    ASUS Maximus 13 Extreme
    Intel i9 11900K
    Corsair Dominater Platinum RGB
    Phanteks Enthoo Primo
    Samsung 980 Pro 1TB
    2 X Samsung 980 Pro 2TB
    Corsair AX1200I
    EK-Velocity D-RGB - Nickel + Plexi
    EK-XTOP Revo Dual D5 PWM Serial - (incl. 2x pump)
    XSPC RX480 + XSPC RS280
    4 X Corsair SP120 PWM OEM Fans
    2 X Noctua NF-A14 industrialPPC-2000 IP67 PWM
    2 X Noctua NF-A14 PWM chromax.black.swap
    2 X Noctua NF-S12A PWM chromax.black.swap
    1 X Noctua NF-A15 HS-PWM chromax.black.swap

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