CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Zalman TeraMax II SE 850W
Serial Number-
Lab IDZL85002723
  • Report: 25PS2723A
  • Receipt Date: Jan 15, 2025
  • Test Date: Jan 27, 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
SeriesTeramax II SE
Model NumberZN850-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)850
TypeATX12V
Cooling120mm Fluid Dynamic Bearing Fan (PY-12225M12S)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.8330.3
Watts100850153.6
Total Max. Power (W)850

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) 2 2 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 GBU1506 (600V, 15A @ 100°C)
APFC MOSFETs

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

1x Sanan SDS065J008C3 (650V, 8A @ 155°C)
Bulk Cap(s)

1x Toshin kogyo TK (420V, 820uF, 2,000h @ 105°C, LW)
Main Switchers

2x Sanrise Tech SRC60R090BS (600V, 26.4A @ 100°C, Rds(on): 90mOhm)
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 6x 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: 2x X-con (ULR), 20x
Supervisor IC Grenergy GR8313 (OVP, UVP, PG)
Fan Model Poweryear PY-1225M12S (120mm, 12V, 0.26A, Fluid Dynamic 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)88.820%
Average Noise Output (>1450 Load Combinations)23.83dBA
Average PF (>1450 Load Combinations)0.988
Efficiency With 10W (≤500W) or 2% (>500W) Load66.624%
Standby Power Consumption0.0113W
12V Ripple (Full Load)39.92mV
5V Ripple (Full Load)31.79mV
3.3V Ripple (Full Load)22.13mV
5VSB Ripple (Full Load)28.16mV
12V Load Regulation0.85%
5V Load Regulation3.07%
3.3V Load Regulation4.45%
5VSB Load Regulation2.83%
Inrush Current75.520A
Efficiency RatingGOLD
Noise RatingA
Average Efficiency (>1450 load combinations)90.950%
Average Noise Output (>1450 Load Combinations)24.42dBA
Average PF (>1450 Load Combinations)0.934
Efficiency With 10W (≤500W) or 2% (>500W) Load67.552%
Standby Power Consumption0.0864W
12V Ripple (Full Load)34.15mV
5V Ripple (Full Load)33.59mV
3.3V Ripple (Full Load)23.71mV
5VSB Ripple (Full Load)38.41mV
12V Load Regulation0.83%
5V Load Regulation3.03%
3.3V Load Regulation4.39%
5VSB Load Regulation2.83%
Inrush Current93.680A
12V Transient Response (200%)11.31V
5V Transient Response (200%)4.918V
3.3V Transient Response (200%)3.196V
5VSB Transient Response (200%)4.925V
Hold-Up Time & Power Ok Signal28.00ms
AC Loss to PWR_OK Hold Up Time23.30ms
PWR_OK Inactive to DC Loss Delay4.70ms
PSU Timings: T1 (20% / 100%)88.0ms79.0ms
PSU Timings: T3 (20% / 100%)123.0ms123.0ms
12V OCP (29.8°C / 45.5°C)108.40A (153.04%), 11.997V93.80A (132.43%), 12.008V
5V OCP (29.8°C / 45.5°C)27.6A (138.00%), 4.95V26.9A (134.50%), 4.939V
3.3V OCP (29.8°C / 45.5°C)28.5A (142.50%), 3.254V27.9A (139.50%), 3.247V
5VSB OCP (29.8°C / 45.5°C)5.1A (170.00%), 5.007V5.1A (170.00%), 5.007V
OPP (30.21°C / 42.34°C)140.32%121.49%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)28
AC Loss to PWR_OK Hold Up Time (ms)23.3
PWR_OK Inactive to DC Loss Delay (ms)4.7

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.88 V 114.83 V 113.85 V 114.94 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 1.422 1.490 PASS
Mains Voltage THD: 0.15 % 0.09 % N/A 0.27 % 2.00 % PASS
Real Power: 0.011 W 0.009 W N/A 0.013 W N/A N/A
Apparent Power: 10.172 W 10.148 W N/A 10.200 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 229.88 V 227.70 V 230.02 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 % 0.09 % N/A 0.22 % 2.00 % PASS
Real Power: 0.086 W 0.067 W N/A 0.139 W N/A N/A
Apparent Power: 34.174 W 34.149 W N/A 34.199 W N/A N/A
Power Factor: 0.002 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 57.27% 0.019
5.123V 0.2W 114.87V
2 0.09A 0.461W 75.803% 0.059
5.123V 0.608W 114.87V
3 0.55A 2.812W 80.78% 0.264
5.113V 3.481W 114.87V
4 1A 5.104W 81.018% 0.358
5.103V 6.3W 114.87V
5 1.5A 7.639W 80.457% 0.415
5.092V 9.495W 114.86V
6 3A 15.178W 77.46% 0.485
5.059V 19.595W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 60.084% 0.011
5.124V 0.385W 229.94V
2 0.09A 0.461W 67.494% 0.02
5.123V 0.684W 229.95V
3 0.55A 2.812W 78.84% 0.1
5.113V 3.567W 229.94V
4 1A 5.104W 79.613% 0.167
5.103V 6.411W 229.95V
5 1.5A 7.639W 80.071% 0.223
5.092V 9.541W 229.95V
6 3A 15.179W 78.247% 0.335
5.059V 19.399W 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% 5.236A 1.97A 1.951A 0.981A 84.996 86.754% 746 15.5 40.05°C 0.974
12.106V 5.076V 3.383V 5.095V 97.973 44.43°C 114.86V
20% 11.494A 2.964A 2.939A 1.18A 169.924 89.974% 749 15.7 40.7°C 0.967
12.096V 5.06V 3.368V 5.083V 188.891 47.48°C 114.82V
30% 18.109A 3.466A 3.441A 1.38A 254.924 90.962% 753 15.7 41.15°C 0.987
12.087V 5.049V 3.357V 5.071V 280.243 50.92°C 114.79V
40% 24.741A 3.971A 3.946A 1.581A 340.01 91.135% 763 16 41.65°C 0.995
12.077V 5.037V 3.345V 5.059V 373.076 54.91°C 114.77V
50% 31.025A 4.979A 4.954A 1.783A 424.797 90.644% 991 24 42.21°C 0.998
12.064V 5.022V 3.33V 5.046V 468.624 57.73°C 114.73V
60% 37.291A 5.992A 5.972A 1.987A 509.334 90.158% 1189 26.6 42.89°C 0.999
12.054V 5.007V 3.316V 5.034V 564.91 59.5°C 114.71V
70% 43.631A 7.014A 7.001A 2.191A 594.65 89.484% 1340 33.1 43.04°C 1
12.045V 4.991V 3.3V 5.021V 664.559 61.88°C 114.67V
80% 49.983A 8.042A 8.041A 2.295A 679.475 88.703% 1469 35.4 43.88°C 1
12.035V 4.973V 3.283V 5.01V 765.992 65.21°C 114.64V
90% 56.742A 8.567A 8.56A 2.4A 764.905 87.906% 1559 37.9 44.19°C 1
12.026V 4.961V 3.27V 4.999V 870.195 69.24°C 114.61V
100% 63.249A 9.098A 9.119A 3.014A 849.717 86.914% 1649 39.2 45.75°C 1
12.016V 4.946V 3.256V 4.977V 977.679 74.79°C 114.57V
110% 69.639A 10.15A 10.283A 3.02A 934.311 85.42% 1709 40.6 46.48°C 0.994
12.005V 4.925V 3.238V 4.967V 1093.823 84.21°C 114.56V
CL1 0.116A 12.125A 12.052A 0A 101.289 80.492% 986 24 40.48°C 0.972
12.077V 4.964V 3.294V 5.104V 125.855 59.47°C 114.84V
CL2 0.115A 20.078A 0A 0A 101.363 79.3% 824 18.4 41.2°C 0.969
12.083V 4.979V 3.328V 5.109V 127.788 53.65°C 114.84V
CL3 0.114A 0A 20.059A 0A 67.38 73.101% 757 15.8 40.73°C 0.965
12.084V 4.976V 3.29V 5.106V 92.201 50.74°C 114.85V
CL4 70.602A 0A 0A 0.002A 849.501 88.107% 1597 38.3 45.93°C 1
12.032V 5.03V 3.334V 5.053V 964.169 67.65°C 114.58V

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% 5.238A 1.97A 1.951A 0.981A 85.003 87.954% 744 15.4 40.24°C 0.807
12.106V 5.076V 3.383V 5.094V 96.655 43.62°C 229.94V
20% 11.494A 2.964A 2.939A 1.181A 169.94 91.477% 747 15.6 40.86°C 0.895
12.096V 5.061V 3.368V 5.082V 185.773 45.67°C 229.92V
30% 18.111A 3.467A 3.441A 1.381A 254.947 92.572% 750 15.7 41.37°C 0.92
12.086V 5.049V 3.357V 5.071V 275.415 48.44°C 229.91V
40% 24.743A 3.971A 3.946A 1.582A 340.034 92.886% 759 15.9 41.86°C 0.937
12.077V 5.038V 3.345V 5.059V 366.082 51.09°C 229.89V
50% 31.028A 4.979A 4.955A 1.784A 424.851 92.628% 972 23.6 42.32°C 0.949
12.065V 5.022V 3.33V 5.046V 458.666 52.34°C 229.88V
60% 37.294A 5.992A 5.972A 1.987A 509.374 92.394% 1171 26.4 42.73°C 0.957
12.055V 5.007V 3.316V 5.034V 551.317 52.31°C 229.86V
70% 43.631A 7.014A 7.001A 2.191A 594.684 92.014% 1330 32.7 43.22°C 0.963
12.046V 4.991V 3.3V 5.021V 646.325 52.69°C 229.85V
80% 49.983A 8.042A 8.04A 2.296A 679.504 91.564% 1461 35.4 43.96°C 0.969
12.036V 4.973V 3.283V 5.01V 742.066 54.09°C 229.84V
90% 56.741A 8.567A 8.561A 2.401A 764.925 91.143% 1552 37.5 44.31°C 0.975
12.027V 4.96V 3.27V 4.999V 839.238 55.21°C 229.83V
100% 63.246A 9.096A 9.118A 3.014A 849.737 90.611% 1637 38.9 45.52°C 0.98
12.017V 4.947V 3.257V 4.977V 937.818 57.26°C 229.81V
110% 69.637A 10.15A 10.283A 3.02A 934.321 89.971% 1702 40.3 46.42°C 0.985
12.006V 4.926V 3.238V 4.967V 1038.538 59.36°C 229.79V
CL1 0.116A 12.123A 12.05A 0A 101.292 81.9% 962 22.7 40.16°C 0.857
12.078V 4.965V 3.294V 5.104V 123.673 47.74°C 229.94V
CL2 0.115A 20.081A 0A 0A 101.367 80.581% 832 18.7 41.77°C 0.861
12.083V 4.978V 3.328V 5.109V 125.8 47.13°C 229.93V
CL3 0.114A 0A 20.059A 0A 67.382 74.22% 757 15.8 40.92°C 0.797
12.083V 4.976V 3.29V 5.106V 90.788 45.95°C 229.94V
CL4 70.603A 0A 0A 0.002A 849.517 91.684% 1591 38.3 45.55°C 0.98
12.032V 5.03V 3.333V 5.053V 926.604 56.01°C 229.81V

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 1.224A 0.49A 0.485A 0.195A 19.988 68.973% 736 14.6 36.16°C 0.744
12.118V 5.098V 3.401V 5.118V 28.986 38.49°C 114.88V
40W 2.698A 0.687A 0.68A 0.293A 39.99 80.147% 738 14.8 37.92°C 0.806
12.115V 5.095V 3.398V 5.115V 49.893 40.29°C 114.89V
60W 4.172A 0.884A 0.875A 0.391A 59.991 84.063% 740 15.1 38.37°C 0.836
12.112V 5.09V 3.394V 5.111V 71.384 42.56°C 114.91V
80W 5.640A 1.081A 1.07A 0.489A 79.928 86.982% 743 15.3 39.66°C 0.965
12.109V 5.086V 3.39V 5.107V 91.889 43.55°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 1.226A 0.49A 0.485A 0.195A 19.999 70.192% 734 14.4 36.66°C 0.435
12.117V 5.097V 3.4V 5.118V 28.491 38.06°C 229.94V
40W 2.698A 0.687A 0.68A 0.293A 39.999 82.033% 736 14.6 37.55°C 0.524
12.114V 5.094V 3.397V 5.114V 48.76 39.29°C 229.94V
60W 4.172A 0.884A 0.875A 0.391A 59.999 86.259% 737 14.7 38.96°C 0.579
12.111V 5.09V 3.394V 5.11V 69.576 40.9°C 229.94V
80W 5.642A 1.082A 1.07A 0.49A 79.943 88.203% 740 15.1 39.36°C 0.796
12.109V 5.086V 3.391V 5.106V 90.642 42.06°C 229.94V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load12.48mV12.26mV13.03mV11.61mVPass
20% Load14.02mV13.14mV14.33mV12.80mVPass
30% Load14.64mV12.52mV14.01mV14.14mVPass
40% Load16.29mV14.32mV14.53mV15.38mVPass
50% Load18.41mV19.27mV17.69mV16.93mVPass
60% Load18.25mV20.81mV19.86mV18.63mVPass
70% Load22.22mV24.99mV25.39mV19.30mVPass
80% Load32.12mV30.09mV28.60mV21.01mVPass
90% Load33.15mV32.30mV23.84mV23.12mVPass
100% Load39.92mV31.79mV22.13mV28.16mVPass
110% Load40.54mV30.57mV23.30mV29.01mVPass
Crossload119.01mV13.65mV14.13mV13.49mVPass
Crossload216.60mV18.13mV12.51mV11.20mVPass
Crossload312.79mV11.95mV14.43mV10.32mVPass
Crossload438.61mV25.63mV20.45mV25.65mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load13.30mV11.90mV11.84mV10.84mVPass
20% Load13.82mV13.70mV16.13mV12.90mVPass
30% Load16.03mV14.79mV13.96mV14.55mVPass
40% Load16.96mV15.56mV12.93mV15.12mVPass
50% Load18.31mV18.49mV18.98mV16.05mVPass
60% Load18.10mV20.92mV19.80mV17.45mVPass
70% Load19.75mV24.32mV23.84mV19.56mVPass
80% Load21.96mV29.26mV28.28mV20.75mVPass
90% Load23.92mV33.38mV23.94mV22.35mVPass
100% Load34.15mV33.59mV23.71mV38.41mVPass
110% Load35.36mV30.68mV24.04mV28.72mVPass
Crossload120.45mV14.25mV13.87mV12.84mVPass
Crossload215.98mV18.08mV12.31mV12.03mVPass
Crossload312.68mV12.21mV14.48mV10.84mVPass
Crossload433.76mV25.47mV20.78mV25.51mVPass

The results above are not used in the certification process

Zalman TeraMax II SE 850W

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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