Asus WRX90E Lacks PCIe Bifurcation, Requiring Custom BIOS

Tests show the Asus WRX90E motherboard's BIOS offers no PCIe bifurcation support, unlike the older WRX80E. Multi-GPU users must flash a custom BIOS to split slots for model workloads.

2026-09-26 ~ 2026-09-26 · 2 related posts

• WRX90E BIOS Lacks PCIe Bifurcation, Needs Custom BIOS for Multi-GPU — TheZachMueller · 2026-09-26
• WRX90E lacks PCIe bifurcation: custom BIOS needed for multi-GPU model runs — TheZachMueller · 2026-09-26