About 20 years ago, American Power Conversion released the first true Smart UPS 3kva. Today's 5th generation Smart UPS X series offers many of the original features refined for today's environment. Pristine Sine Wave protection, aggressive Voltage Regulation through its Line Interactive topology and a robust Extended Run Port for hours of runtime make the SMX the flagship UPS from APC. Buy it today for less from GreenLightUPS.




  • SMX3000RMLV2U
    Fully restored with fresh Powersonic brand batteries. Get the basic powerful unit for less and upgrade later as needed.
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Network Ready

    Building on the core unit, this offers the Network Management Card and Rail kit for network ready applications.
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Extended Run

    The core ups combined with its Extended Run battery cabinet. This give 90 minutes of power at 1000watts.
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