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SSP-400ES2 | Seasonic 400W ATX Power Supply, 100 → 240V ac Input, 3.3V Output | RS
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
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