Super flower Leadex Platinum Special Edition 80 PLUS Platinum power supply, modular - 1200 watts [NESF-081] from WatercoolingUK
be quiet! Pure Power 12 1200W Full Modular 80+ Gold ATX 3.0 PCIe 5.0 PSU/Power Supply - BN346
LC-POWER LC1200P V3.0 1200 W Full Modular 80 Plus Platinum 135 mm Fan Ultra-Low Noise Digital Power Supply Unit, ATX 3.0 & PCIe 5.0 GPU Support, Gaming Intelligence, Sleeved Cable : Amazon.co.uk:
Corsair CP-9020140-UK HX1200 1200 W 80+ Platinum Fully Modular Power Supply Unit - Black : Amazon.co.uk: Computers & Accessories