what would you suggest ?
one PSU 1800W
https://www.aliexpress.com/item/New-and-original-Gold-POWER-1800W-BTC-power-supply-for-R9-380-RX-470-RX480-6/32825827647.html?
 or 2x 1000W
https://www.aliexpress.com/item/High-Quality-1000W-Computer-PC-Power-Supply-for-CPU-Active-PFC-Efficient-2-PCIE-LED-Fan/32827580667.html?
both have good feedback