CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Zalman TeraMax II SE 750W
Serial Number-
Lab IDZL75002726
  • Report: 25PS2726A
  • Receipt Date: Jan 15, 2025
  • Test Date: Jan 29, 2025
  • Report Date: Jan 30, 2025
115V230V
Efficiency Rating
115V230V
Noise Rating
Aristeidis Bitziopoulos, Laboratory General Manager

General Information

DUT Information

BrandZalman
Manufacturer (OEM)Jiumeng
SeriesTermax II SE
Model NumberZN750-TMX2SE
Serial Number-
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)6-12
Rated Frequency (Hz)50-60
Rated Power (W)750
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan (PY-12225M12S)
Semi-Passive Operation✗
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202062.530.3
Watts100750153.6
Total Max. Power (W)750

Test Equipment

Electronic Loads

Chroma 63601-5 x2
Chroma 63600-2
63640-80-80 x10
63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P
Power Analyzers RS HMC8015, N4L PPA1530, N4L PPA5530
Oscilloscopes Picoscope 4444, Rigol DS7014, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A, Keithley 2015 - THD
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Isolation Transformer 4kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (600mm) 1 1 18AWG No
4+4 pin EPS12V (705mm) 2 2 18AWG No
6+2 pin PCIe (560mm+150mm) 1 2 18AWG No
6+2 pin PCIe (555mm) 1 1 18AWG No
12+4 pin PCIe (600mm) (600W) 1 1 16-26AWG No
SATA (505mm+140mm+140mm+140mm) 3 12 18AWG No
4-pin Molex (505mm+150mm+150mm) / FDD (+155mm) 1 3 / 1 18-22AWG No

Parts Description

General Data
Manufacturer (OEM)

Huizhou Jiumeng Electronics Technology Co., Ltd
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor MF72-5D15 (5 ohm) & Relay
Bridge Rectifier(s)

2x GBU1006 (600V, 10A @ 100°C)
APFC MOSFETs

2x Sanrise Tech SRC60R140B (600V, 15.8A @ 100°C, Rds(on): 140mOhm)
APFC Boost Diode

1x Sanan SDS065J004C3 (650V, 4A @ 155°C)
Bulk Cap(s)

1x Toshin kogyo TK (420V, 680uF, 2,000h @ 105°C, LW)
Main Switchers

2x Lonten LSD55R140GF (550V, 6.3A @ 100°C, Rds(on): 0.14Ohm)
Resonant Controller

EGmicro EG6599S
APFC Controller

Aplus Tek AT6108ZSP8
Topology

Primary side: APFC, Half-Bridge & LLC Resonant converter Secondary side: Synchronous Rectification & DC-DC converters
Secondary Side
+12V MOSFETs 4x Maple Semi SLM160N04G
5V & 3.3V DC-DC Converters: 4x Advanced Power AP4024GEMT (30V, 60A @ 25°C, Rds(on): 4.5mOhm) PWM Controller(s): Aplustek AT8852ZSPD
Filtering Capacitors

Electrolytic: 7x Samxon (4-10,000h @105°C, GT) 3x CapXon (2-5,000h @105°C, KF) Polymer: 15x X-con (ULR), 7x
Supervisor IC Grenergy GR8313 (OVP, UVP, PG)
Fan Model Poweryear PY-1225M12S (120mm, 12V, 0.26A, Sleeve Bearing Fan)
5VSB
Rectifier

SB1045L (45V, 10A)
Standby PWM Controller

Chipown PN8141

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Efficiency RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)88.672%
Average Noise Output (>1450 Load Combinations)22.98dBA
Average PF (>1450 Load Combinations)0.989
Efficiency With 10W (≤500W) or 2% (>500W) Load66.789%
Standby Power Consumption0.0119W
12V Ripple (Full Load)34.99mV
5V Ripple (Full Load)42.83mV
3.3V Ripple (Full Load)34.51mV
5VSB Ripple (Full Load)36.49mV
12V Load Regulation0.83%
5V Load Regulation3.33%
3.3V Load Regulation4.61%
5VSB Load Regulation2.98%
Inrush Current38.230A
Efficiency RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)90.758%
Average Noise Output (>1450 Load Combinations)22.73dBA
Average PF (>1450 Load Combinations)0.933
Efficiency With 10W (≤500W) or 2% (>500W) Load68.129%
Standby Power Consumption0.0866W
12V Ripple (Full Load)36.28mV
5V Ripple (Full Load)41.14mV
3.3V Ripple (Full Load)31.91mV
5VSB Ripple (Full Load)36.07mV
12V Load Regulation0.80%
5V Load Regulation3.17%
3.3V Load Regulation4.48%
5VSB Load Regulation2.92%
Inrush Current95.450A
12V Transient Response (200%)11.25V
5V Transient Response (200%)4.896V
3.3V Transient Response (200%)3.222V
5VSB Transient Response (200%)4.914V
Hold-Up Time & Power Ok Signal24.20ms
AC Loss to PWR_OK Hold Up Time20.60ms
PWR_OK Inactive to DC Loss Delay3.60ms
PSU Timings: T1 (20% / 100%)90.0ms82.0ms
PSU Timings: T3 (20% / 100%)131.0ms131.0ms
12V OCP (30.5°C / 43.8°C)91.60A (146.56%), 11.970V78.20A (125.12%), 11.982V
5V OCP (30.5°C / 43.8°C)27A (135.00%), 4.922V26.7A (133.50%), 4.915V
3.3V OCP (30.5°C / 43.8°C)27.6A (138.00%), 3.251V27.5A (137.50%), 3.247V
5VSB OCP (30.5°C / 43.8°C)5A (166.67%), 5.003V5A (166.67%), 5.002V
OPP (30.51°C / 44.18°C)132.89%116.14%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)24.2
AC Loss to PWR_OK Hold Up Time (ms)20.6
PWR_OK Inactive to DC Loss Delay (ms)3.6

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.89 V 114.84 V 113.85 V 114.96 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.98 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.419 1.417 1.340 1.423 1.490 PASS
Mains Voltage THD: 0.15 % 0.09 % N/A 0.29 % 2.00 % PASS
Real Power: 0.012 W 0.010 W N/A 0.014 W N/A N/A
Apparent Power: 10.203 W 10.180 W N/A 10.229 W N/A N/A
Power Factor: 0.001 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.96 V 229.89 V 227.70 V 230.01 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.417 1.416 1.340 1.419 1.490 PASS
Mains Voltage THD: 0.14 % 0.10 % N/A 0.20 % 2.00 % PASS
Real Power: 0.087 W 0.070 W N/A 0.131 W N/A N/A
Apparent Power: 34.242 W 34.218 W N/A 34.268 W N/A N/A
Power Factor: 0.003 N/A N/A N/A N/A N/A

Graphs

Efficiency Graph

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

Noise Graph

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

Indicative Performance

Efficiency under high ambient temperature

INFO

The PSU`s efficiency under high ambient temperatures with 115V and 230V input. For this graph the results of the 10-110% load regulation table are used

5VSB Efficiency

INFO

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input

5VSB Efficiency (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 71.101% 0.032
5.122V 0.325W 114.87V
2 0.09A 0.461W 76.042% 0.058
5.119V 0.606W 114.87V
3 0.55A 2.812W 81.092% 0.261
5.112V 3.468W 114.87V
4 1A 5.102W 80.983% 0.355
5.102V 6.3W 114.87V
5 1.5A 7.636W 80.783% 0.41
5.09V 9.453W 114.87V
6 3A 15.164W 77.672% 0.48
5.054V 19.524W 114.87V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 60.071% 0.011
5.12V 0.385W 229.95V
2 0.09A 0.461W 67.439% 0.02
5.122V 0.684W 229.95V
3 0.55A 2.812W 78.968% 0.099
5.112V 3.562W 229.94V
4 1A 5.102W 79.836% 0.166
5.102V 6.391W 229.95V
5 1.5A 7.636W 80.375% 0.221
5.09V 9.501W 229.94V
6 3.001A 15.166W 78.353% 0.333
5.054V 19.356W 229.95V

Supplementary Tests (For Reference)

Typical Load Tests

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 4.424A 1.979A 1.949A 0.982A 75.005 86.125% 726 13.8 40.33°C 0.97
12.071V 5.054V 3.386V 5.091V 87.099 42.17°C 114.85V
20% 9.870A 2.978A 2.937A 1.182A 149.942 89.71% 729 13.9 40.87°C 0.971
12.061V 5.038V 3.371V 5.079V 167.136 43.48°C 114.82V
30% 15.674A 3.482A 3.439A 1.382A 224.95 90.721% 732 14.2 41.4°C 0.988
12.052V 5.026V 3.359V 5.066V 247.916 45.54°C 114.8V
40% 21.493A 3.989A 3.943A 1.583A 300.041 90.92% 737 14.7 41.77°C 0.995
12.043V 5.015V 3.348V 5.054V 329.996 48.34°C 114.76V
50% 26.927A 5.004A 4.953A 1.786A 374.501 90.551% 765 16 42.2°C 0.998
12.032V 4.997V 3.332V 5.041V 413.583 51.62°C 114.75V
60% 32.410A 6.024A 5.971A 1.989A 449.403 89.953% 1047 25.5 42.78°C 0.999
12.020V 4.981V 3.316V 5.028V 499.597 53.97°C 114.71V
70% 37.899A 7.052A 7A 2.194A 524.322 89.304% 1223 30.6 43.19°C 1
12.011V 4.965V 3.3V 5.015V 587.128 55.8°C 114.69V
80% 43.465A 8.085A 8.039A 2.299A 599.521 88.511% 1368 33.8 43.78°C 1
12.001V 4.947V 3.284V 5.004V 677.287 58.26°C 114.66V
90% 49.368A 8.612A 8.559A 2.404A 674.541 87.773% 1474 35.5 44.86°C 1
11.992V 4.934V 3.271V 4.993V 768.504 61.56°C 114.63V
100% 55.090A 9.149A 9.12A 3.019A 749.77 86.839% 1567 38.3 45.65°C 1
11.982V 4.918V 3.256V 4.969V 863.42 65.52°C 114.6V
110% 60.680A 10.203A 10.28A 3.024A 824.771 85.922% 1615 38.4 46.78°C 0.999
11.972V 4.9V 3.239V 4.96V 959.904 67.71°C 114.57V
CL1 0.116A 12.19A 12.056A 0A 101.292 80.828% 879 20.1 41.97°C 0.979
12.043V 4.938V 3.293V 5.096V 125.294 54.32°C 114.83V
CL2 0.115A 20.189A 0A 0A 101.361 79.581% 808 18 41.93°C 0.977
12.049V 4.952V 3.328V 5.103V 127.386 51.04°C 114.83V
CL3 0.115A 0A 20.066A 0A 67.384 73.139% 744 15.4 41.01°C 0.972
12.050V 4.953V 3.289V 5.1V 92.131 48.85°C 114.84V
CL4 62.465A 0A 0A 0.003A 749.575 88.199% 1511 36 45.76°C 1
12.000V 5.006V 3.336V 5.05V 849.863 61.53°C 114.6V

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 4.424A 1.978A 1.949A 0.982A 74.998 87.46% 727 13.8 40.01°C 0.809
12.070V 5.054V 3.386V 5.092V 85.752 42.16°C 229.94V
20% 9.869A 2.977A 2.937A 1.181A 149.924 91.257% 729 13.9 40.69°C 0.907
12.061V 5.038V 3.371V 5.079V 164.287 43.4°C 229.92V
30% 15.671A 3.481A 3.438A 1.381A 224.923 92.333% 733 14.3 41.35°C 0.932
12.052V 5.027V 3.359V 5.067V 243.617 45.24°C 229.92V
40% 21.491A 3.989A 3.943A 1.583A 300.011 92.58% 737 14.7 41.66°C 0.947
12.043V 5.015V 3.348V 5.055V 324.045 46.88°C 229.92V
50% 26.921A 5.003A 4.952A 1.785A 374.417 92.453% 759 15.9 42.45°C 0.955
12.032V 4.998V 3.332V 5.041V 404.987 49.25°C 229.89V
60% 32.403A 6.022A 5.97A 1.989A 449.331 92.136% 1015 24.3 42.86°C 0.965
12.021V 4.983V 3.317V 5.029V 487.668 51.16°C 229.88V
70% 37.889A 7.049A 6.999A 2.193A 524.245 91.811% 1214 30.3 43.18°C 0.968
12.012V 4.966V 3.301V 5.016V 571.005 53.59°C 229.87V
80% 43.453A 8.082A 8.038A 2.298A 599.452 91.344% 1350 33.3 43.63°C 0.972
12.003V 4.948V 3.284V 5.005V 656.258 55.53°C 229.86V
90% 49.358A 8.61A 8.557A 2.403A 674.479 90.931% 1466 35.4 44.3°C 0.977
11.994V 4.935V 3.272V 4.994V 741.754 58.2°C 229.85V
100% 55.072A 9.143A 9.115A 3.017A 749.701 90.364% 1558 37.9 45.5°C 0.982
11.985V 4.921V 3.258V 4.972V 829.65 61.47°C 229.83V
110% 60.668A 10.211A 10.28A 3.024A 824.724 89.722% 1608 38.3 46.21°C 0.985
11.974V 4.896V 3.239V 4.961V 919.221 64.17°C 229.83V
CL1 0.115A 12.191A 12.058A 0A 101.281 82.429% 871 19.9 41.15°C 0.873
12.044V 4.938V 3.292V 5.098V 122.834 51.84°C 229.93V
CL2 0.115A 20.191A 0A 0A 101.353 80.887% 803 18 41.12°C 0.876
12.051V 4.951V 3.327V 5.104V 125.3 49.21°C 229.94V
CL3 0.115A 0A 20.066A 0A 67.38 74.315% 742 15.2 40.01°C 0.823
12.052V 4.953V 3.289V 5.101V 90.637 47.58°C 229.94V
CL4 62.451A 0A 0A 0.003A 749.552 91.48% 1501 35.7 46.29°C 0.981
12.002V 5.007V 3.337V 5.051V 819.323 58.16°C 229.83V

The results above are not used in the certification process

Light Load Tests

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.229A 0.492A 0.484A 0.195A 19.999 71.596% 708 14.2 36.11°C 0.722
12.082V 5.082V 3.406V 5.117V 27.947 36.59°C 114.87V
40W 2.706A 0.69A 0.679A 0.293A 40 80.871% 715 14.3 37.46°C 0.779
12.078V 5.072V 3.4V 5.112V 49.464 38.59°C 114.89V
60W 4.184A 0.888A 0.874A 0.392A 60 85.601% 719 14.1 38.23°C 0.969
12.075V 5.068V 3.396V 5.108V 70.093 39.63°C 114.85V
80W 5.659A 1.086A 1.07A 0.49A 79.946 87.328% 722 13.9 39.23°C 0.971
12.072V 5.063V 3.393V 5.103V 91.543 40.91°C 114.85V

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.228A 0.492A 0.485A 0.195A 19.993 73.075% 714 14.3 36.14°C 0.381
12.080V 5.077V 3.404V 5.117V 27.365 36.18°C 229.94V
40W 2.706A 0.69A 0.679A 0.293A 39.994 82.909% 717 14.2 37.08°C 0.449
12.078V 5.073V 3.401V 5.113V 48.206 38.04°C 229.96V
60W 4.184A 0.888A 0.874A 0.391A 59.994 86.684% 721 14.1 38.71°C 0.487
12.075V 5.068V 3.396V 5.108V 69.223 40.05°C 229.94V
80W 5.658A 1.086A 1.07A 0.49A 79.933 88.627% 723 13.9 39.46°C 0.821
12.072V 5.063V 3.392V 5.103V 90.184 40.89°C 229.94V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load14.23mV36.27mV35.27mV18.94mVPass
20% Load14.69mV14.53mV14.17mV15.33mVPass
30% Load15.26mV14.58mV15.10mV16.10mVPass
40% Load17.63mV16.85mV16.39mV17.55mVPass
50% Load19.23mV18.29mV17.94mV20.18mVPass
60% Load19.69mV21.38mV18.98mV23.22mVPass
70% Load20.42mV23.80mV22.91mV23.69mVPass
80% Load22.17mV28.18mV23.58mV25.60mVPass
90% Load25.62mV34.00mV29.94mV27.56mVPass
100% Load34.99mV42.83mV34.51mV36.49mVPass
110% Load36.41mV46.33mV32.09mV38.12mVPass
Crossload120.56mV16.16mV17.58mV15.45mVPass
Crossload216.14mV21.69mV14.48mV13.42mVPass
Crossload314.08mV13.14mV16.34mV12.49mVPass
Crossload435.16mV36.87mV28.03mV34.60mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load14.08mV13.70mV12.88mV12.08mVPass
20% Load15.52mV14.17mV14.01mV15.43mVPass
30% Load16.96mV16.43mV15.41mV17.03mVPass
40% Load17.63mV16.54mV18.72mV18.17mVPass
50% Load19.49mV17.93mV18.05mV19.15mVPass
60% Load18.92mV19.58mV19.03mV23.80mVPass
70% Load21.40mV24.11mV23.27mV24.77mVPass
80% Load22.89mV27.56mV26.43mV26.53mVPass
90% Load25.21mV33.85mV28.54mV27.87mVPass
100% Load36.28mV41.14mV31.91mV36.07mVPass
110% Load37.26mV44.99mV37.37mV37.95mVPass
Crossload122.41mV16.69mV17.59mV15.94mVPass
Crossload216.60mV23.34mV13.55mV13.78mVPass
Crossload313.82mV14.01mV16.03mV12.96mVPass
Crossload435.62mV36.51mV27.85mV34.45mVPass

The results above are not used in the certification process

Zalman TeraMax II SE 750W

Top side
Power specifications label
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient and silent power supplies are promoted
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