DragonSteelMods posted a review on the Ultra X3 600-Watt Modular Power Supply
A quote from the article:
Ultra X3 600-Watt Modular Power Supply Review
So we've got another Ultra Product up on the review block today, this time it's the Ultra X3 600-Watt Modular Power Supply and in my time with it I've found it to be capable and very stable
Ultra X3 600-Watt Modular Power Supply Review