CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
darkFlash PERFECTMOST 1250W
Serial Number02ZYA220110254100098
Lab IDDF12502972
Certification ID252972
  • Test Result Report ID: 25PS2972A
  • Certificate Issue Date: Oct 16, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BranddarkFlash
Manufacturer (OEM)Zhong Yuan Power
SeriesPerfectmost
Model NumberUPT1250GFM
Serial Number02ZYA220110254100098
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)7.5-14.8
Rated Frequency (Hz)50-60
Rated Power (W)1250
TypeATX12V
Dimensions (W x H x D)
Cooling120mm Fluid Dynamic Bearing Fan (HA1225M12F-Z)
Semi-Passive Operation✓ (selectable)
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps2020104.22.50.3
Watts100125012.53.6
Total Max. Power (W)1250

Test Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
Chroma 63640-80-80 x10
Chroma 63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P, GW Instek ASR-3500
Power Analyzers Rohde & Schwarz HMC8015 & NPA701
Oscilloscopes Picoscope 4444, 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
EMI Analyzer TekBox TBMR-110M-EU
Isolation Transformer 4kVA
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors(Non-accredited measurements)

Modular Cables
Description Cable Count Connector Count (Total) Gauge Cable Type
ATX connector 20+4 pin (600mm) 1 1 18AWG Tinned Copper
4+4 pin ATX12V (700mm) 2 2 18AWG Tinned Copper
6+2 pin PCIe (600mm+150mm) 2 4 18AWG Tinned Copper
6+2 pin PCIe (600mm) 2 2 18AWG Tinned Copper
12+4 pin PCIe (655mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (450mm+155mm+155mm) / 4-pin Molex (+155mm) 2 6 / 2 18AWG Tinned Copper
SATA (450mm+155mm) / 4-pin Molex (+155mm+155mm) 1 2 / 2 18AWG Tinned Copper
AC Power Cord (1400mm) - C13 coupler 1 1 16AWG -

Parts Description

General Data
Manufacturer (OEM) Zhong Yuan Power
PCB Type Double-Sided
Primary Side
Transient Filter 6x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor SCK-205R0 (5 Ohm @ 25°C) & Relay
Bridge Rectifier
2x GBU25M (1000V, 25A @ 100°C)
APFC MOSFETs
3x CRMicro CRJS99N65G2F (650V, 20A @ 100°C, Rds(on): 90mOhm)
APFC Boost Diode
2x Global Power G3S06506D (650V, 6A @ 159°C)
Bulk Cap(s)
Toshin Kogyo (420V, 1000uF, 2000h @ 105°C, LW)
Main Switchers
2x Sanrise Tech SRC60R068BS (600V, 21.5A @ 125°C, Rds(on): 68mOhm)

APFC Controller

Infineon ICE2PCS01
Resonant Controller
Monolithic Power HR1213
Topology Primary side: APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 8x Alpha & Omega AON6152A (45V, 100A @ 100°C, Rds(on): 1.15mOhm)
5V & 3.3V DC-DC Converters: 4x Alpha & Omega AON6512 (30V, 130A @ 100°C, Rds(on): 1.7mOhm)
PWM Controller(s): ANPEC APW7159A
Filtering Capacitors

Electrolytic:
9x TK (@ 105°C, SZ)
Polymer:
20x ChengX (PB)
Supervisor IC UTC8313F
Fan Model Hong Hua HA1225M12F-Z (125mm, 12V, 0.45A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier
Standby PWM Controller
Xuanyan XY6115

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 RatingPLATINUM
Noise RatingStandard+
Average Efficiency (>1450 load combinations)89.382%
Average Noise Output (>1450 Load Combinations)35.53dBA
Average PF (>1450 Load Combinations)0.994
Efficiency With 10W (≤500W) or 2% (>500W) Load66.308%
Standby Power Consumption0.0331W
12V Ripple (Full Load)47.07mV
5V Ripple (Full Load)25.48mV
3.3V Ripple (Full Load)29.04mV
5VSB Ripple (Full Load)19.72mV
12V Load Regulation0.37%
5V Load Regulation1.21%
3.3V Load Regulation1.64%
5VSB Load Regulation2.98%
Inrush Current31.040A
Efficiency RatingPLATINUM
Noise RatingStandard+
Average Efficiency (>1450 load combinations)91.424%
Average Noise Output (>1450 Load Combinations)37.12dBA
Average PF (>1450 Load Combinations)0.975
Efficiency With 10W (≤500W) or 2% (>500W) Load66.686%
Standby Power Consumption0.1220W
12V Ripple (Full Load)47.65mV
5V Ripple (Full Load)25.92mV
3.3V Ripple (Full Load)29.82mV
5VSB Ripple (Full Load)22.02mV
12V Load Regulation0.38%
5V Load Regulation0.99%
3.3V Load Regulation1.71%
5VSB Load Regulation2.96%
Inrush Current70.970A
12V Transient Response (200%)11.20V
5V Transient Response (200%)4.834V
3.3V Transient Response (200%)3.178V
5VSB Transient Response (200%)4.925V
Hold-Up Time & Power Ok Signal24.60ms
AC Loss to PWR_OK Hold Up Time22.10ms
PWR_OK Inactive to DC Loss Delay2.50ms
PSU Timings: T1 (20% / 100%)104.0ms104.0ms
PSU Timings: T3 (20% / 100%)123.0ms123.0ms
12V OCP (29.8°C / 41.5°C)128.40A (123.22%), 11.993V122.00A (117.08%), 11.986V
5V OCP (29.8°C / 41.5°C)30.1A (150.50%), 4.957V29.7A (148.50%), 4.953V
3.3V OCP (29.8°C / 41.5°C)27.8A (139.00%), 3.297V27.8A (139.00%), 3.295V
5VSB OCP (29.8°C / 41.5°C)3.7A (148.00%), 5.029V3.7A (148.00%), 5.027V
OPP (30.16°C / 41.44°C)123.45%117.01%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)24.6
AC Loss to PWR_OK Hold Up Time (ms)22.1
PWR_OK Inactive to DC Loss Delay (ms)2.5

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 114.96 V 114.93 V 113.85 V 114.97 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.99 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.417 1.490 PASS
Mains Voltage THD: 0.13 % 0.11 % N/A 0.16 % 2.00 % PASS
Real Power: 0.033 W -0.008 W N/A 0.069 W N/A N/A
Apparent Power: 8.146 W 8.122 W N/A 8.169 W N/A N/A
Power Factor: 0.005 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 229.91 V 229.91 V 227.70 V 229.95 V 232.30 V PASS
Mains Frequency: 50.00 Hz 50.00 Hz 49.50 Hz 50.00 Hz 50.50 Hz PASS
Mains Voltage CF: 1.415 1.415 1.340 1.416 1.490 PASS
Mains Voltage THD: 0.15 % 0.13 % N/A 0.16 % 2.00 % PASS
Real Power: 0.122 W 0.062 W N/A 0.321 W N/A N/A
Apparent Power: 26.641 W 26.600 W N/A 26.693 W N/A N/A
Power Factor: 0.004 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

Conducted Emissions EN55032 & CISPR 32

NEUTRAL
PHASE

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 0.227W 67.582% 0.042
5.038V 0.336W 115.04V
2 0.09A 0.455W 73.325% 0.076
5.049V 0.62W 115.04V
3 0.55A 2.805W 81.423% 0.257
5.1V 3.446W 115.04V
4 1A 5.068W 81.265% 0.315
5.067V 6.236W 115.04V
5 1.5A 7.551W 80.824% 0.346
5.033V 9.343W 115.04V
6 2.5A 12.625W 80.176% 0.377
5.05V 15.747W 115.03V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.23W 55.136% 0.016
5.117V 0.418W 229.99V
2 0.09A 0.461W 66.401% 0.027
5.115V 0.694W 229.99V
3 0.55A 2.807W 79.046% 0.122
5.103V 3.552W 230V
4 1A 5.092W 80.936% 0.183
5.092V 6.292W 230V
5 1.5A 7.619W 81.352% 0.229
5.079V 9.366W 230V
6 2.5A 12.629W 81.305% 0.279
5.052V 15.534W 230V

Protection Features

OCP (Normal @ 29.8°C)12V: 128.40A (123.22%), 11.993V
5V: 30.1A (150.50%), 4.957V
3.3V: 27.8A (139.00%), 3.297V
5VSB: 3.7A (148.00%), 5.029V
OCP (Hot @ 41.5°C)12V: 122.00A (117.08%), 11.986V
5V: 29.7A (148.50%), 4.953V
3.3V: 27.8A (139.00%), 3.295V
5VSB: 3.7A (148.00%), 5.027V
OPP (Normal @ 30.2°C)1543.09W (123.45%)
OPP (Hot @ 41.4°C)1462.68W (117.01%)
OTP✓ (114°C @ Heat Sink)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OKProper Operation
UVP (Full Load @ 90V)✓
UVP (No Damage @ 80V)✓
Conducted Emissions EN55032 & CISPR 32✓
NLO✓
Fan Failure Protection✗
SIPSurge: MOV
Inrush: NTC & Bypass Relay

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% 8.602A 2.003A 1.979A 0.983A 124.963 86.441% 840 22.2 40.18°C 0.982
12.016V 4.992V 3.335V 5.085V 144.563 47.44°C 115V
20% 18.235A 3.008A 2.972A 1.183A 249.962 90.572% 910 24.7 40.93°C 0.994
12.013V 4.986V 3.331V 5.071V 275.981 48.81°C 114.96V
30% 28.171A 3.513A 3.471A 1.384A 374.395 91.539% 858 22.7 41.37°C 0.996
12.010V 4.982V 3.328V 5.058V 409 50.93°C 114.91V
40% 38.175A 4.019A 3.972A 1.586A 499.562 91.57% 1094 30.1 41.94°C 0.997
12.007V 4.977V 3.323V 5.044V 545.551 51.13°C 114.87V
50% 47.854A 5.03A 4.974A 1.79A 624.91 91.262% 1335 35.8 42.14°C 0.998
12.004V 4.971V 3.318V 5.03V 684.739 50.55°C 114.82V
60% 57.472A 6.043A 5.98A 1.994A 749.438 90.728% 1615 40.7 42.78°C 0.998
11.999V 4.965V 3.311V 5.016V 826.035 51.51°C 114.78V
70% 67.165A 7.06A 6.99A 2.199A 874.74 90.072% 1847 45.1 43.17°C 0.998
11.995V 4.958V 3.305V 5.001V 971.159 51.8°C 114.73V
80% 76.868A 8.077A 8.004A 2.305A 999.545 89.34% 1962 46.8 43.77°C 0.998
11.990V 4.951V 3.298V 4.989V 1118.811 55.66°C 114.68V
90% 86.986A 8.593A 8.506A 2.411A 1124.95 88.518% 1964 46.8 44.73°C 0.998
11.984V 4.945V 3.292V 4.976V 1270.868 58.39°C 114.62V
100% 97.047A 9.11A 9.04A 2.518A 1249.669 87.546% 1969 46.9 45.66°C 0.998
11.978V 4.939V 3.285V 4.964V 1427.45 61.41°C 114.57V
110% 106.855A 10.138A 10.161A 2.523A 1375.075 86.249% 1974 47 46.33°C 0.996
11.972V 4.931V 3.277V 4.954V 1594.323 65.63°C 114.51V
CL1 0.117A 12.111A 11.97A 0A 101.296 80.102% 1256 33.8 40.24°C 0.977
12.013V 4.97V 3.317V 5.1V 126.46 48.12°C 115.01V
CL2 0.116A 20.14A 0A 0A 101.34 79.979% 1085 29.8 41.05°C 0.977
12.016V 4.962V 3.322V 5.103V 126.715 48.17°C 115V
CL3 0.115A 0A 19.929A 0A 67.396 74.669% 864 22.8 41.21°C 0.961
12.015V 4.984V 3.312V 5.103V 90.264 46.94°C 115.01V
CL4 104.269A 0A 0A 0A 1249.531 88.266% 1976 47 45.44°C 0.998
11.984V 4.96V 3.297V 5.037V 1415.644 58.39°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% 8.602A 2A 1.979A 0.983A 124.967 88.2% 829 23.3 40.49°C 0.907
12.016V 4.999V 3.335V 5.085V 141.691 43.31°C 229.98V
20% 18.236A 3.003A 2.973A 1.183A 249.969 92.066% 845 22.2 40.66°C 0.966
12.013V 4.995V 3.331V 5.071V 271.521 36.76°C 229.96V
30% 28.166A 3.507A 3.473A 1.384A 374.371 93.18% 914 24.8 41.1°C 0.983
12.012V 4.991V 3.326V 5.057V 401.773 42.74°C 229.94V
40% 38.175A 4.011A 3.974A 1.586A 499.577 93.222% 1126 30.9 41.62°C 0.989
12.008V 4.986V 3.322V 5.044V 535.901 43.55°C 229.91V
50% 47.855A 5.019A 4.977A 1.79A 624.918 93.08% 1371 36.4 42.46°C 0.992
12.003V 4.981V 3.316V 5.029V 671.387 43.1°C 229.9V
60% 57.470A 6.029A 5.984A 1.994A 749.446 92.795% 1573 40.1 42.73°C 0.994
12.000V 4.976V 3.31V 5.015V 807.629 42.61°C 229.87V
70% 67.161A 7.042A 6.995A 2.2A 874.745 92.421% 1852 45.3 43.27°C 0.995
11.996V 4.971V 3.303V 5.001V 946.474 44.82°C 229.85V
80% 76.866A 8.053A 8.011A 2.306A 999.53 91.972% 1953 46.6 43.53°C 0.995
11.990V 4.966V 3.296V 4.988V 1086.781 46.32°C 229.83V
90% 86.975A 8.566A 8.512A 2.412A 1124.937 91.492% 1958 46.6 44.34°C 0.996
11.985V 4.96V 3.29V 4.976V 1229.549 46.75°C 229.8V
100% 97.030A 9.08A 9.046A 2.518A 1249.661 90.946% 1962 46.8 45.62°C 0.996
11.980V 4.955V 3.283V 4.964V 1374.069 47.48°C 229.78V
110% 106.830A 10.101A 10.166A 2.523A 1375.054 90.168% 1971 47 46.03°C 0.996
11.975V 4.949V 3.276V 4.954V 1524.98 50.26°C 229.76V
CL1 0.117A 12.055A 11.972A 0A 101.297 81.711% 1274 34.3 40.92°C 0.888
12.013V 4.993V 3.316V 5.099V 123.975 42.54°C 229.98V
CL2 0.115A 19.975A 0A 0A 101.338 81.863% 1053 29 41.81°C 0.888
12.017V 5.003V 3.321V 5.103V 123.795 43.87°C 229.98V
CL3 0.115A 0A 19.928A 0A 67.396 75.212% 850 22.3 41.2°C 0.828
12.016V 4.988V 3.312V 5.103V 89.617 43.54°C 229.99V
CL4 104.268A 0A 0A 0A 1249.524 91.467% 1974 47 45.64°C 0.996
11.984V 4.962V 3.295V 5.037V 1366.088 47.91°C 229.78V

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 1.236A 0.5A 0.494A 0.196A 20.015 61.035% 0 <6.0 42.97°C 0.864
12.023V 4.999V 3.339V 5.112V 32.79 36.64°C 115.03V
40W 2.720A 0.7A 0.692A 0.294A 40.003 75.299% 0 <6.0 40.55°C 0.921
12.020V 4.997V 3.336V 5.108V 53.123 37.51°C 115.03V
60W 4.204A 0.901A 0.89A 0.392A 60.002 80.083% 0 <6.0 42.68°C 0.948
12.018V 4.996V 3.335V 5.104V 74.929 38.55°C 115.02V
80W 5.686A 1.101A 1.088A 0.49A 79.95 84.382% 0 <6.0 41.21°C 0.964
12.018V 4.995V 3.335V 5.101V 94.75 39.21°C 115.01V

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 1.236A 0.5A 0.494A 0.196A 20.007 61.62% 0 <6.0 37.9°C 0.565
12.026V 5.004V 3.339V 5.111V 32.464 36.9°C 230V
40W 2.720A 0.7A 0.692A 0.294A 40.004 74.948% 0 <6.0 40.34°C 0.696
12.023V 5.003V 3.337V 5.108V 53.378 37.09°C 230V
60W 4.204A 0.9A 0.89A 0.392A 60.003 81.528% 0 <6.0 41.12°C 0.781
12.021V 5.002V 3.336V 5.104V 73.596 38.46°C 229.99V
80W 5.684A 1.1A 1.089A 0.49A 79.954 84.552% 0 <6.0 43.09°C 0.839
12.019V 5.001V 3.335V 5.1V 94.556 39.12°C 229.99V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load17.86mV17.68mV22.46mV17.90mVPass
20% Load18.27mV20.74mV24.81mV18.77mVPass
30% Load19.39mV20.39mV24.45mV18.62mVPass
40% Load22.56mV19.26mV23.02mV18.77mVPass
50% Load24.20mV20.49mV23.94mV18.93mVPass
60% Load27.06mV21.25mV24.76mV18.87mVPass
70% Load30.29mV22.79mV25.27mV19.03mVPass
80% Load35.09mV23.40mV27.78mV20.56mVPass
90% Load40.62mV24.57mV29.11mV20.36mVPass
100% Load47.07mV25.48mV29.04mV19.72mVPass
110% Load55.35mV25.35mV28.87mV18.89mVPass
Crossload117.37mV21.31mV23.84mV16.39mVPass
Crossload219.34mV25.70mV22.82mV18.06mVPass
Crossload320.11mV20.64mV26.91mV18.77mVPass
Crossload445.94mV25.10mV26.90mV17.42mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load19.85mV18.49mV22.46mV19.54mVPass
20% Load20.77mV22.48mV24.66mV19.03mVPass
30% Load36.01mV24.67mV33.30mV26.65mVPass
40% Load23.18mV21.66mV25.48mV19.39mVPass
50% Load25.89mV21.05mV24.09mV19.13mVPass
60% Load28.39mV22.07mV24.40mV19.79mVPass
70% Load31.87mV23.45mV26.09mV20.82mVPass
80% Load37.09mV24.93mV28.44mV20.26mVPass
90% Load41.95mV25.70mV30.34mV20.05mVPass
100% Load47.65mV25.92mV29.82mV22.02mVPass
110% Load54.89mV26.18mV32.39mV20.51mVPass
Crossload119.49mV21.23mV23.67mV17.64mVPass
Crossload221.34mV24.98mV23.07mV18.57mVPass
Crossload320.82mV21.66mV28.03mV18.98mVPass
Crossload447.13mV24.35mV28.88mV19.91mVPass

The results above are not used in the certification process

darkFlash PERFECTMOST 1250W

Top side
Power specifications label
Fan
PSU Internals
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
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
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