Item Specifications BrandEMACS. The boxes are marked Zippy USA; Zippy Technology is the parent company behind the EMACS power supply line. ModelM2W-6500P Output500W, per the label on the unit QuantityLot of 3 units, sold together ColorSilver ConditionNew – Open Box. The units themselves are still sealed and have not been powered on or tested. The outer boxes have been opened. IncludedThree power supply units. Any cords, brackets or documentation are only what the photos show. Item NumberNJ06-40-71465-1-B5 Shipping & Returns ShippingFree Shipping Return Policy30 Days Free Return