Be Quiet! 550W System Power 10 PSU, 80+ Bronze, Fully Wired, Strong 12V Rail, Temp. Controlled Fan : Amazon.co.uk: Computers & Accessories
be quiet! Straight Power 11 550W 550W ATX Black power supply unit - power supply units (550 W, 100-240, 600 W, 50-60, Active, 130 W) : Amazon.co.uk: Computers & Accessories