Power Supply (PSU) for Polycom VVX 150 / 250 / 350 / 450
Black 600W ATX PC Power Supply PSU With 12CM Quiet Fan And PCI-E 6+2-Pin / 6 x SATA / 24-PIN / 8-PIN 12V / 3 x MOLEX / 1 x Floppy : Amazon.co.uk: Computers & Accessories
RS PRO 800W PC Power Supply, 200 → 240V ac Input, 3.3, 5, 12, -12V Output | RS
BsLemon 550W Gaming Power Supply ATX 80 plus Bronze PC Power Supply with up to 85% Conversion Rate,Active PFC,2 Year Warranty : Amazon.co.uk: Computers & Accessories
Branded ATX Power Supply Unit. Standard PS2 PSU. 110V & 230V. Full range. -5V | eBay
How to choose the best PC power supply | PCWorld
Standard ATX PSU / Power Supply Unit with 12Volt DC jack / Socket. ST-420BKP | eBay