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B450M Steel Legend - GPU doesn't fit in PCIe Slot

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primaski View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote primaski Quote  Post ReplyReply Direct Link To This Post Topic: B450M Steel Legend - GPU doesn't fit in PCIe Slot
    Posted: 15 Mar 2020 at 3:10am
Hello everyone!

I have the ASRock B450M Steel Legend, and the EVGA GeForce RTX 2060 6 GB SC Ultra Gaming video card. For whatever reason, this only fits in the PCIE3 slot (in blue), and not in the PCIE2 slot (in red).



(I'd assumed these refer to the number of the slot and not the version of PCIE). The manual doesn't say anything further as far as I've found about differing slot sizes. I don't mind keeping it plugging it into the slot highlighted in blue, since I only have one graphics card.

However, I was wondering if the bottom one will run at x16 or x4 if I have a graphics card plugged ONLY into the bottom slot (in blue). I found a Reddit post that addressed the issue, but the answers in the comments contradict each other, and I came here looking to see if anyone could provide better insight. I am running Windows 10, if I could find the statistics somewhere in the system, that would also be appreciated. Thank you so much!

https://www.reddit.com/r/buildapc/comments/dhdlda/gpu_wont_fit_in_top_pcie_slot_is_it_fine_to_use/
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kathe34 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kathe34 Quote  Post ReplyReply Direct Link To This Post Posted: 15 Mar 2020 at 11:13pm
no one will help you here man, did you find any solution to put it on first slot. the second one will probably wont work on full performance
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jdillipl Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 2020 at 2:12am
PCIe 3 is x4 only, per both the Specifications page for this system board (https://www.asrock.com/mb/AMD/B450M%20Steel%20Legend/index.us.asp#Specification) and the User Manual page 26.

Jake
Asrock X370 Killer SLI/ac, Amd Ryzen 7 1700, GSkill FlareX F4-2400C16D-32GFX, RaidMax Thunder V2 735W PS
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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 2020 at 6:20am
The bottom slot is PCIe 3.0 @ x4. What exactly is preventing the GPU from fitting
into PCIe2? Will it just not slot in or are heatsinks etc interfering?

The GPU will work fine in the x4 slot though you may lose some performance, how
much I can't say without having a 2060 to test with. With my RX 590 I barely drop
any frames, maybe 2 - 5fps (with a frame rate over 100).
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ThreeDee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ThreeDee Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 2020 at 7:41am
Probably just a matter of loosening up your motherboard screws and adjusting the motherboard a bit so it lines up better in your case
|Ryzen 5 5900|ASRock X570 Taichi-BIOS 4.60|2x16GB HyperX Predator RGB 3200@3600 1:1 IF|ASRock RX 6700XT|2 x PCIe 4.0 M.2 Drives for OS & Games|850 WTT Seasonic 80+ Titanium PSU|Noctua NH-D15|
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 2020 at 5:35pm
Good call ThreeDee.
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