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Cooler MasterMasterWatt Lite 400W

Manufacturer: COOLER MASTER
ID: MPX-4001-ACABW-EU
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Key Specifications

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Specifications
Description
Store availability
Delivery
Price development
Ports & interfaces
Floppy disk drive connectorcheckmark
Motherboard power connector20+4 pin ATX
Floppy drive power connector1
Number of SATA power connectors6
Peripheral (Molex) power connectors (4-pin)3
CPU power connector (4+4 pin)checkmark
PCI Express power connectors (6+2 pin)1
Weight & dimensions
Weight1.38 kg
Height86 mm
Width150 mm
Depth140 mm
Energy management
Input current3.5 - 5 A
Nominal power400 W
Efficiency85%
Hold time10 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Power factor0.9
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)120 W
Combined power (+12V)360 W
Combined power (+5V)120 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)12.5 W
Max output current (+3.3V)20 A
Max output current (+12V)30 A
Max output current (+5V)20 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)2.5 A
AC input frequency47 - 63 Hz
AC input voltage100 - 240 V
Total power400 W
Power Good signal delay range100 - 500 ms
Operational conditions
Operating temperature (T-T)0 - 40 °C
Packaging data
Package weight1.77 kg
Cables includedAC
Package depth227 mm
Package height120 mm
Package width238 mm
Other features
Noise level (quiet mode, 50%)21.2 dB
Noise level (full-load mode, 100%)32.6 dB
Design
Product colourBlack
Number of fans1 fan(s)
On/off switchcheckmark
Cooling typeActive
Fan diameter12 cm
Performance
CertificationTUV/CE/FCC/BSMI/cTUV-Rhus/KC/CCC/EAC/RCMC/ErP 2013
Mean time between failures (MTBF)100000 h
PurposePC
ATX version2.31
80 PLUS certification80 PLUS
Power supply unit (PSU) form factorATX
EAN4719512055595
Warranty1 year

Power on. We want the MasterWatt Lite Series to be that simple. In the box are all the essentials of a reliable engine so you don't have to think about it. We added higher-end perks like Active PFC and PWM technology for more stability, and made sure we met ErP 2013 and CE ratings for safety and low energy impact. It's the survival kit for reliable, affordable power.

Lighten the Load
Power on. We want the MasterWatt Lite Series to be that simple. In the box are all the essentials of a reliable engine so you don't have to think about it. We added higher-end perks like Active PFC and PWM technology for more stability, and made sure we met ErP 2013 and CE ratings for safety and low energy impact. It's the survival kit for reliable, affordable power.

Advanced Circuit Design
Active PFC + PWM combined with dual forward topology and double EMI filter enhances power output efficiency and increases the performance and stability of your system

Silent and Durable Fan
Cooler Master's 120mm HDB temperature control fan can operate more smoothly without friction, which makes it quiet and more durable.

Green Power
Certified by ErP 2013 Lot6, which guarantees that your PSU will use less than 1W on system standby and lower than 45% transferring efficiency on 5V standby.

Safety Guardian
Full protection (OCP/OVP/SCP/OPP) with built-in Over Temperature Protection (OTP). Minimizes the risk of damage from power outages.

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