AMD TRX40 Motherboards for 3rd Gen Ryzen™ Threadripper™ processors
Asus Unveils Massive Threadripper 7000 HEDT Motherboard With 36 Power Stages | Tom's Hardware
ASRock's WRX90 WS Evo Threadripper Pro motherboard is a beast — 24 power stages, seven x16 PCIe 5.0 slots, and four slots for PCIe 5.0 SSDs | Tom's Hardware