Known mostly for their overclocker-friendly RAM, OCZ provides top-tier products for the PC enthusiast market. Established in 2000 by enthusiasts and for enthusiasts, OCZ has branched out into the power supply market recently with their PowerStream and ModStream power supplies. The ModStream is one of the new modular power supplies that have been sweeping the world due to their vast combinations for powering your hardware components. OCZ offers two versions of their ModStream, the OCZ-450 and the OCZ-520. Our review sample was the OCZ-520 that produces 520 watts but is capable of a peak load of 620 watts. Read on to see how the OCZ ModStream performs in a modern system.