GPU upgrades — flagship clearance
RTX 4090 / 4080 Super class cards need full-tower or large mid-tower with documented 360 mm+ GPU support.
Shop Desktop PC Full-tower high-end GPU (4090 class) graphics card GPU on Amazon
Length: Reference 4090 boards are ~336–360 mm. Measure from PCIe bracket to any front radiator or drive cage.
Power: 450 W TDP class — use native 12VHPWR from quality PSU (850 W+). Avoid daisy-chained 8-pin adapters on marginal PSUs.
Airflow: Open-air cards need strong intake. Mesh front panels outperform solid glass for sustained boost clocks.
Compatible options
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