Amazon.com: SilverStone Technology 500W SFX-L Form Factor 80 Plus Gold Full Modular Lengthened Power Supply with +12V Single Rail, Active PFC (SX500-LG) : Electronics
Seasonic B12 550W 80 PLUS Bronze Wired PSU, Single Rail, 45A +12V, Black, ATX PS | eBay
306-7ZP2A11-CE0, MSI Mag A550Bn Uk Psu '550W, 80 Plus Bronze Certified, 12V Single-Rail, Dc-To-Dc Circuit, 120Mm Fan, Non-Modular, Sleeved Cables, Atx Power Supply Unit, Uk Powercord, Black' | EET
Single Rail vs Multi Rail PSU?? : r/buildapc
Single vs. Multiple +12V rails. What does it really mean?
Thermaltake Toughpower GF1 - 750 Watt Full Modular 80 Plus Gold, SLI/CrossFire, Single Rail, 62.5A, 140mm Fan, ATX, PSU PSU Power Supply | PS-TPD-0750FNFAGK-1 Buy, Best Price. Global Shipping.