Enermax Naxn Tomahawk II 450w Power Supply (ENP450AST)


  • Warranty Manufacturer 1 Year Manufacturer
  • Warranty Depot 15 Days Depot
  • In stock



    ErP Lot 6 (EuP) 2010 ready!
    Help system to meet ErP Lot 6 2010 (<1W at standby mode) with high efficiency 5Vsb circuitry AirGuard
    Patented air-inlet with optimal aero-dynamical design reduces noisy air turbulences.

    MULTI ready
    Ready for next-gen MULTI CORE systems as INTELR CoreTM 2 Duo/Quad/Extreme/i7/i5 and AMDR AthlonTM 64X2, PhenomTM II.

    SILENT ready!
    Ultra silent 12cm fan with intelligent RPM control guarantees cool performance and silent operation.

    24/7 ready!
    High-Quality components and dual 12V rails design enable non-stop usage with stable and reliable current.

    Active PFC inside (ENP350/400/450/500AGT, ENP550AWT only)
    Active Power Factor correction improves PF value up to 0.99 and minimizes reactive power waste.

    Additional information

    Weight 2.3 lbs
    Dimensions 49 x 45 x 14 in
    Fan diameter

    12 cm

    Max output current (+5Vsb)

    2.5 A

    Total power

    450 W

    Fan location


    Motherboard power connector

    20+4 pin ATX

    Colour of product




    Max output current (+12V1)

    21 A

    Max output current (+5V)

    18 A

    Combined power (+3.3V)

    120 W

    Peak power

    495 W

    Combined power (+5V)

    120 W

    Combined power (+5Vsb)

    12.5 W


    FCC, CE

    AC input frequency

    47 – 63

    Cabling type


    AC input voltage

    115 – 230

    Cooling type


    Number of fans

    1 fan(s)

    Max output current (+12V2)

    18 A

    Max output current (-12V)

    0.3 A

    Power protection features

    Over power, Over voltage, Short circuit, Under voltage

    Combined power (+12V)

    3.6 W, 360 W

    Max output current (+3.3V)

    22 A