ATX-500-08 PC power supply unit, PC ATX power supply unit for PC, MQ580 desktop computer ATX 12V switching power supply (400W, ATX, fan 12 cm): Amazon.co.uk: Computers & Accessories
SS-400H2U APFC F0 80+ | Seasonic 400W PC Power Supply, 90 → 264V ac Input, 3.3 V dc, 5 V dc, ±12 V dc Output | RS
FSP400-40AGPAA original Lenovo Desktop-PC power supply 400 Watt - sparepartworld.com
L29870-001 original HP Desktop-PC power supply 400 Watt - sparepartworld.com
400W Desktop Computer Power Supply Adapter All-in-one ITX 400W Small 1U Multi-channel Power Supply Server Power Supply 400w 400W Small 1U Multi-channel Power Supply : Amazon.co.uk: Computers & Accessories
CiT FX Pro V2 400W PSU 80 Plus Bronze Rated ATX Power Supply Unit