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Cooler Master MasterWatt 550 power supply unit 550 W ATX Black

SKU
PSU-CM-MW550W
MasterWatt 550, ATX 12V V2.4, 100-240V AC, 100-500 ms, 85%, Black
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Cooler Master MasterWatt 550. Total power: 550 W, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Motherboard power connector: 24-pin ATX, Motherboard power cable length: 55 cm, SATA power cable length: 620,500,860 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product colour: Black, Fan diameter: 12 cm, Number of fans: 1 fan(s). Width: 150 mm, Depth: 140 mm, Height: 86 mm

MASTERWATT 550
Semi-fanless Modular
80 PLUS Bronze Certified Power Supply
The MasterWatt is an 80 Plus Bronze power supply with an innovative semi-fanless mode. Under 15% load,the MasterWatt fan remains idle,offering zero dBA. When demand for power increases,a gradual fan curve provides measured cooling with little to no noise at any output level. Dual forward / DC-to-DC topology is employed to keep the voltage stable in all conditions. For increased performance,MasterWatt is equipped with 16 AWG power cables,which reduces resistance,thereby increasing efficiency.

80 PLUS Bronze Certified
The 80 PLUS Bronze certification guarantees that MasterWatt delivers an average efficiency of 85%.

Durable LDB Bearing
Sealant on the bobbin and featuring the highest dustproof level IP6XSealant on the The groove outside of the bearing helps to circulate the oilRecycle slot adds extra storage space for the oilThe shaft makes the oil flow by pumping it while spinningCooler Master 120mm Silencio FP fan combines sealed LDB bearings with quiet fan blades offering a long lifetime of quiet cooling.

Semi-Fanless up to 15% load
MasterWatt Operates at 0dB under 15% load.Experience noise-free basic computing.

Dual Forward and DC-to-DC Circuit Design
More Conductive PCI-e CablesThe Dual Forward and DC-to-DC circuit design offers reliability and stability. This is especially significant in +3.3V and +5V outputs.

More Conductive PCI-e Cables
The Dual Forward and DC-to-DC circuit design offers reliability and stability. This is especially significant in +3.3V and +5V outputs.The MasterWatt uses 16AWG cables for PCI-e cables. Less resistance and better efficiency,providing you a safer user environment.
More Information
ManufacturerCooler Master
VPNMPX-5501-AMAAB-AU
GTIN00884102034992
Cubic Weight3.5000
upc4719512053119
Total power550 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Input current4 - 8 A
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)110 W
Combined power (+12V)550 W
Combined power (+5V)110 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)20 A
Max output current (+12V)45.8 A
Max output current (+5V)20 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Power Good signal delay range100 - 500 ms
Hold time16 ms
Efficiency85%
Power protection featuresOver current,Over power,Over voltage,Short circuit,Under voltage
Motherboard power connector24-pin ATX
Motherboard power cable length55 cm
Number of SATA power connectors6
SATA power cable length620,500,860 mm
Peripheral (Molex) power connectors (4-pin)2
Peripheral (Molex) power cable length620,500 mm
PCI Express power connectors (6+2 pin)2
PCI Express power cable length67 cm
CPU power connector (4+4 pin)Yes
CPU power cable length60 cm
Floppy disk drive connectorYes
Floppy drive power connector1
PurposePC
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Bronze
ATX version2.4
Bearing technologyLDB
Mean time between failures (MTBF)100000 h
CertificationCCC, CE, TUV-RH, RCM, EAC, cTUVus, FCC, BSMI, KC,CB
Colour of productBlack
Fan diameter12 cm
Number of fans1 fan(s)
Operating temperature (T-T)0 - 40 °C
Width150 mm
Depth140 mm
Height86 mm
Weight1.61 kg