msi slotSlot Width Dual-slot Triple-slot Length 304 mm 359 mm 12 inches 14.1 inches Width 137 mm 149 mm 5.4 inches 5.9 inches Heht 40 mm 70 mm 1.6 inches 2.8 inches TDP 575 W Suggested PSU 950 W ... MSI RTX 5090 GAMING TRIOEnable XMP for that. Then, even though the only proper confuration to use is slots A2+B2, you can test each slot with a single module individually. The idea is to see if