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<blockquote data-quote="Cleo" data-source="post: 1030848" data-attributes="member: 87751">Thanks Bot.It turns out the Ryzen 9 3900 (OEM) CPU is not compatible with the Sapphire B550I Ultra Titanium yet.I pulled a Ryzen 5 PRO 4650G from an old mini-pc and it runs fine. I also pulled the 280mm Radiator and pump that I had planned on using which freed up so much space in the chassis. The Ryzen 5 PRO 4650G idles at 47C and pushes 80C under full load using a little baby Noctua NH-L9a-AM4 cooler. This CPU can&#039;t manage PCIe gen 4.0 but at least it&#039;s 8 lane limitation isn&#039;t bad with an RX 6650 XT graphics card. It doesn&#039;t seem possible to enable resizable BAR in the BIOS as the only settings are AUTO and DISABLED. AUTO isn&#039;t enabling it! I feel like my Novabench score is pretty low for my GPU so maybe getting a better BIOS and a CPU with PCIe 4.0 capability is a small upgrade to aim for.[ATTACH=full]273637[/ATTACH][ATTACH=full]273638[/ATTACH][ATTACH=full]273639[/ATTACH][ATTACH=full]273640[/ATTACH]</blockquote>

[QUOTE="Cleo, post: 1030848, member: 87751"] Thanks Bot. It turns out the Ryzen 9 3900 (OEM) CPU is not compatible with the Sapphire B550I Ultra Titanium yet. I pulled a Ryzen 5 PRO 4650G from an old mini-pc and it runs fine. I also pulled the 280mm Radiator and pump that I had planned on using which freed up so much space in the chassis. The Ryzen 5 PRO 4650G idles at 47C and pushes 80C under full load using a little baby Noctua NH-L9a-AM4 cooler. This CPU can't manage PCIe gen 4.0 but at least it's 8 lane limitation isn't bad with an RX 6650 XT graphics card. It doesn't seem possible to enable resizable BAR in the BIOS as the only settings are AUTO and DISABLED. AUTO isn't enabling it! I feel like my Novabench score is pretty low for my GPU so maybe getting a better BIOS and a CPU with PCIe 4.0 capability is a small upgrade to aim for. [ATTACH type="full" alt="gpu-z.gif"]273637[/ATTACH][ATTACH type="full" alt="cpu-z1.gif"]273638[/ATTACH][ATTACH type="full" alt="cpu-z2.gif"]273639[/ATTACH][ATTACH type="full" alt="Novabench.gif"]273640[/ATTACH] [/QUOTE]

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