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Cybenetics Evaluation Report: Gamemax GM500

Product: Gamemax GM500 Power Supply Unit

Manufacturer: Gamemax

Report By: Cybenetics

Report Date: 01-05-2019

Website: www.cybenetics.com

DUT Information

Device Under Test (DUT) Information
BrandGamemax
Manufacturer (OEM)Gamemax
SeriesGM Series
Model NumberGM500
Serial NumberN/A
DUT NotesN/A

DUT Specifications

Device Under Test (DUT) Specifications
Rated Voltage (Vrms)100-240
Rated Current (Arms)12-6
Rated Frequency (Hz)50-60
Rated Power (W)500
TypeATX12V
Cooling140mm Sleeve Bearing Fan (DF1402512SEM)
Semi-Passive OperationX
Cable DesignFixed cables

Power Specifications

Power Output by Rail
RailAmpsWatts
3.3V15100
5V20384
12V3212.5
5VSB2.56
-12V0.5N/A
Total Max. Power (W)500

Cables and Connectors

Captive Cables Configuration
DescriptionCable CountConnector Count (Total)GaugeIn Cable Capacitors
ATX connector 20+4 pin (490mm)1118-22AWGNo
4+4 pin EPS12V (510mm)1118AWGNo
6+2 pin PCIe (500mm)1118AWGNo
SATA (500mm+150mm+150mm)1318AWGNo
4-pin Molex (500mm) / SATA (+150mm+150mm)11/218AWGNo
4-pin Molex (500mm+150mm) / FDD (+150mm)12/118AWGNo

General Data & Component Breakdown

General Data
Manufacturer (OEM)Gamemax
PCB TypeSingle Layer
Primary Side Components
Transient Filter4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush ProtectionNTC Thermistor
Bridge Rectifier(s)1x GBU1506L (600V, 15A @ 100°C)
APFC MOSFETS2x Champion GP18S50G (500V, 28A @ 150°C, 0.19Ω)
APFC Boost Diode1x CREE C3D06060A (600V, 6A @ 154°C)
Hold-up Cap(s)1x CapXon (400V, 270uF, 2000h @ 105°C, HP)
Main Switchers2x Champion GP18S50G (500V, 28A @ 150°C, 0.19Ω)
Combo APFC/PWM ControllerChampion CM6805BSX
TopologyPrimary side: Double Forward; Secondary side: Group Regulation & Passive Rectification
Secondary Side Components
+12V MOSFETS2x MOSPEC S60M60C SBR (60V, 60A)
5V & 3.3V MOSFETS2x MOSPEC S40M45C SBR (45V, 40A)
Filtering CapacitorsElectrolytics: CapXon (2-5,000μF @ 105°C, KF), ChengX (2-4,000h @ 105°C, GR)
Supervisor ICGrenergy GR8313 (OVP, UVP, SCP, PG)
Fan ModelXin Zheng Heng Electronic DF1402512SEM (140mm, 12V, 0.20A, 2.4W, Sleeve Bearing)
5VSB Circuit
Standby PWM ControllerSanken STR-A6059H

Performance Results

Key Performance Metrics
Test Date01-05-2019
Cybenetics ID #587
Temperature Range (°C / °F)30-32 / 86-89.6
Average Efficiency86.040%
Efficiency With 10W (≤500W) or 2% (>500W) Load -115V55.120%
Average Efficiency 5VSB72.411%
Standby Power Consumption (W) -115V0.1072360
Standby Power Consumption (W) -230V0.1889830
Average PF0.945
ErP Lot 3/6 Ready✔️ ErP Lot 6 2010: ✔️; ErP Lot 6 2013: Partially; ErP Lot 3 2014 & CEC: Partially
(EU) No 617/2013 Compliance✔️
Avg Noise Output (dBA)37.49
Efficiency Rating (ETA)ETA-S
Noise Rating (LAMBDA)LAMBDA-S+

Test Equipment Used

Electronic Loads
Chroma 6314A x2Chroma 63601-5 x4
63123A x6Chroma 63600-2 x2
63102A63640-80-80 x20
63101A63610-80-20 x2
AC Sources
Chroma 6530, Chroma 61604, Keysight AC6804B
Power Analyzers
N4L PPA1530x2, N4L PPA5530
Oscilloscopes
Picoscope 4444 & 3424, Keysight DSOX3024A, Rigol DS2072A
Voltmeter
Keithley 2015 THD 6.5 Digit
Sound Analyzer
Bruel & Kjaer 2250-L G4
Microphone
Bruel & Kjaer Type 4955-A, Bruel & Kjaer Type 4189
Data Loggers
Picoscope TC-08 x2, Labjack U3-HV x2

Efficiency and Noise Graphs

Efficiency Graph

This graph depicts the PSU's efficiency throughout its entire operational range. The X-axis represents the load in +12V Combined Watts, and the Y-axis represents the load in 5 & 3.3V Combined Watts. The colored regions indicate efficiency percentages, ranging from '<70%' to '>94%'.

Noise Graph

This graph depicts the PSU's noise in its entire operational range and under 30-32°C ambient. The X-axis represents the load on the +12V rail(s), and the Y-axis represents the load on the minor rails (5 & 3.3V Combined Watts). The colored regions indicate noise levels in dBA, ranging from '<6' to '>50'.

5VSB Efficiency Tests

5VSB Efficiency -115V (ERP LOT 3/6 & CEC)
Test #5VSBDC/AC (Watts)EfficiencyPF/AC Volts
10.045A
5.137V		0.231
0.433		53.349%0.068
115.10V
20.090A
5.134V		0.462
0.749		61.682%0.112
115.10V
30.550A
5.126V		2.820
3.774		74.722%0.290
115.10V
41.000A
5.120V		5.120
6.720		76.190%0.332
115.10V
51.500A
5.112V		7.669
10.091		75.998%0.356
115.10V
62.501A
5.096V		12.743
17.123		74.420%0.385
115.10V
5VSB Efficiency -230V (ERP LOT 3/6 & CEC)
Test #5VSBDC/AC (Watts)EfficiencyPF/AC Volts
10.045A
5.134V		0.231
0.529		43.667%0.026
230.28V
20.090A
5.133V		0.462
0.863		53.534%0.041
230.28V
30.550A
5.126V		2.820
3.954		71.320%0.160
230.26V
41.000A
5.121V		5.121
6.884		74.390%0.226
230.26V
51.500A
5.112V		7.669
10.236		74.922%0.269
230.26V
62.501A
5.096V		12.744
16.907		75.377%0.315
230.25V

Vampire Power Graph (-230V)

This graph shows the standby power consumption (Vampire Power) at -230V over time. The X-axis represents time in seconds, and the Y-axis represents power in Watts. The graph illustrates a stable, low power draw, generated by PPA Standby Power Analysis software.

Load Tests

10-110% Load Tests
Test #12V5V3.3V5VSBDC/AC (Watts)EfficiencyFan Speed (RPM)PSU Noise (dB[A])Temps (In/Out)PF/AC Volts
12.268A
12.358V		1.967A
5.076V		1.981A
3.328V		0.979A
5.110V		49.60879.695%101425.328.90°C
30.87°C		0.595
230.30V
25.569A
12.357V		2.962A
5.061V		2.980A
3.320V		1.177A
5.099V		62.247
99.702		85.237%101625.529.55°C
31.86°C		0.817
230.30V
39.210A
12.335V		3.462A
5.056V		3.469A
3.312V		1.376A
5.089V		116.970
149.601		87.290%101925.730.21°C
32.83°C		0.912
230.30V
412.869A
12.310V		3.959A
5.052V		3.989A
3.306V		1.575A
5.080V		199.607
226.901		87.971%102525.930.87°C
33.87°C		0.942
230.29V
516.188A
12.306V		4.962A
5.038V		4.997A
3.300V		1.776A
5.069V		249.700
284.021		87.916%125532.131.07°C
34.70°C		0.965
230.29V
619.516A
12.298V		5.969A
5.024V		6.010A
3.294V		1.978A
5.057V		299.795
342.535		87.522%148736.631.79°C
35.78°C		0.978
230.27V
722.836A
12.296V		6.987A
5.009V		7.027A
3.287V		2.180A
5.046V		349.888
402.465		86.936%172140.932.38°C
37.18°C		0.984
230.27V
826.157A
12.295V		8.012A
4.994V		8.042A
3.282V		2.383A
5.036V		400.007
463.401		86.320%172541.033.36°C
38.54°C		0.985
230.27V
929.933A
12.268V		8.518A
4.990V		8.543A
3.277V		2.386A
5.030V		449.720
524.609		85.725%172441.033.62°C
39.46°C		0.986
230.26V
1033.739A
12.236V		9.030A
4.985V		9.089A
3.267V		2.491A
5.019V		500.041
588.396		84.984%172241.034.41°C
40.65°C		0.987
230.27V
1137.970A
12.180V		9.020A
4.989V		9.104A
3.262V		2.496A
5.009V		549.674
653.161		84.156%171640.835.79°C
42.39°C		0.988
230.28V
CL10.134A
12.937V		12.000A
4.817V		12.001A
3.303V		0.000A
5.105V		99.176
127.774		77.618%138934.731.23°C
34.75°C		0.850
230.29V
CL232.005A
11.885V		1.002A
5.169V		0.997A
3.295V		1.000A
5.075V		393.919
453.459		86.870%168940.234.14°C
40.50°C		0.985
230.29V
20-80W Load Tests
Test #12V5V3.3V5VSBDC/AC (Watts)EfficiencyFan Speed (RPM)PSU Noise (dB[A])PF/AC Volts
11.171A
12.265V		0.487A
5.121V		0.476A
3.334V		0.195A
5.128V		19.44367.677%100724.80.399
230.29V
22.408A
12.305V		0.980A
5.101V		0.988A
3.331V		0.391A
5.121V		28.729
50.840		78.527%100724.80.545
230.29V
33.569A
12.319V		1.473A
5.090V		1.469A
3.327V		5.115A
5.115V		39.923
72.255		82.144%101025.00.669
230.30V
44.803A
12.327V		1.968A
5.080V		1.981A
3.324V		0.783A
5.110V		59.353
94.655		84.297%101125.10.759
230.29V
Ripple Measurements
Test12V5V3.3V5VSBPass/Fail
10% Load7.0 mV8.7 mV13.5 mV13.2 mVPass
20% Load8.4 mV8.2 mV13.5 mV14.6 mVPass
30% Load9.4 mV9.3 mV13.1 mV15.6 mVPass
40% Load10.6 mV9.5 mV13.6 mV15.9 mVPass
50% Load11.2 mV10.0 mV15.1 mV18.8 mVPass
60% Load12.0 mV11.3 mV17.1 mV23.2 mVPass
70% Load13.6 mV12.8 mV17.1 mV27.0 mVPass
80% Load16.1 mV13.6 mV21.0 mV30.3 mVPass
90% Load18.0 mV15.6 mV20.8 mV34.8 mVPass
100% Load26.8 mV20.9 mV24.0 mV38.5 mVPass
110% Load30.5 mV24.8 mV24.4 mV50.5 mVFail
Crossload 112.2 mV61.8 mV27.1 mV28.2 mVFail
Crossload 218.1 mV17.0 mV15.3 mV20.7 mVPass

Timing and Signal Tests

Hold-Up Time & Power OK Signal (230V)
Hold-Up Time (ms)12.50
AC Loss to PWR_OK Hold Up Time (ms)8.10
PWR_OK Inactive to DC Loss Delay (ms)4.40

Visuals and Certifications

Power Supply Unit Image

A photograph of the Gamemax GM500 power supply unit, showing its top side with modular cables attached.

Power Specifications Label

A label displaying the Gamemax GM500 power supply's technical specifications, including input voltage (100-240V), current (12-6A), frequency (50-60Hz), DC output voltages (+3.3V, +5V, +12V, -12V, +5VSB), their respective current ratings, and maximum output wattage (500W). It also indicates certifications like 80 PLUS, CE, FCC, and EuP.

Certifications

Images representing Cybenetics ETA 230V and Lambda S+ 230V certifications, indicating compliance with efficiency and noise standards.

Efficiency Graphs Descriptions

Efficiency Under High Ambient Temperature

This graph illustrates the PSU's efficiency under high ambient temperatures (27°C - 36°C) with 115V and 230V input. The X-axis represents the load in Watts, and the Y-axis represents efficiency in percentage. It shows efficiency curves for both input voltages across various load levels.

5VSB Efficiency

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input. The X-axis represents the load in Watts, and the Y-axis represents efficiency in percentage. It shows efficiency curves for the 5VSB rail under different load conditions for both input voltages.

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