Description
80 PLUS BRONZE CERTIFIED
The 80 PLUS Bronze certification guarantees that MasterWatt delivers an average efficiency of 85%.
DURABLE LDB BEARING
Cooler 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
The 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 MasterWatt uses 16AWG cables for PCI-e cables. Less resistance and better efficiency,providing you a safer user environment.
PSU CALCULATOR
Need help choosing the right power supply for your system? Try out our easy to use, comprehensive PSU calculator.
PRODUCT NAME
MasterWatt 550
MODULAR
Semi Modular
ATX VERSION
ATX 12V v2.4
PFC
Active PFC
OPERATION VOLTAGE
100-240Vac
INPUT VOLTAGE
100-240Vac
INPUT CURRENT
8-4A
INPUT FREQUENCY
50-60Hz
FAN SIZE
120mm
FAN BEARING
LDB
POWER GOOD SIGNAL
100-500ms
HOLD UP TIME
16ms at 80% Load
EFFICIENCY
85% at Typical Load
ERP 2013 LOT 6
Yes
MTBF
>100,000 Hours
OPERATING TEMPERATURE
0-40oC
PROTECTIONS
OPP, OVP, UVP, OCP, OTP, SCP
REGULATORY
CCC, CE, TUV-RH, RCM, EAC, cTUVus, FCC, BSMI, KC, CB
MB 20+4 PIN CONNECTORS
1
CPU 12V 4+4 PIN CONNECTORS
1