Corsair RM550x 80 PLUS Gold Fully Modular ATX 550 Watt Power Supply (135 mm Magnetic Levitation Fan, Wide Compatibility, Reliabile Japanese Capacitors, Extremely Fast Wake-from-Sleep) UK - Black : Amazon.co.uk: Computers &
Corsair 550 W RM550x Series 80 PLUS Gold Full Modular ATX Power Supply Unit - Black : Amazon.co.uk: Computers & Accessories