CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
XPG PYMCORE Gold 850W
Serial Number-
Lab IDAD85002977
Certification ID252977
  • Test Result Report ID: 25PS2977A
  • Certificate Issue Date: Sep 23, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandXPG
Manufacturer (OEM)RSY
SeriesPYMCORE
Model NumberPYMCORE850GOLD
Serial Number-
DUT NotesInrush current was retested and updated on November 6, 2025.

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)10
Rated Frequency (Hz)50-60
Rated Power (W)850
TypeSFX
Dimensions (W x H x D)
Cooling92mm Fluid Dynamic Bearing (S0921512HB)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps202070.830.4
Watts100849.6154.8
Total Max. Power (W)850

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 (400mm) 1 1 18-22AWG Tinned Copper
4+4 pin ATX12V (400mm+100mm) 1 2 18AWG Tinned Copper
6+2 pin PCIe (400mm+100mm) 1 2 18AWG Tinned Copper
6+2 pin PCIe (400mm) 1 1 18AWG Tinned Copper
12+4 pin PCIe (400mm) (600W) 1 1 16-24AWG Tinned Copper
SATA (365mm+100mm+100mm) / 4-pin Molex (+100mm) 2 6 / 2 18AWG Copper

Parts Description

General Data
Manufacturer (OEM) RSY
PCB Type Double-Sided
Primary Side
Transient Filter 2x Y caps, 3x X caps, 2x CM chokes, 1x MOV
Inrush Protection NTC Thermistor  SCK-2R58  (2.5 Ohm @ 25°C) & Relay
Bridge Rectifier 1x
APFC MOSFETs 2x Maplesemi SLF60R090E7(600V, 38A @ 100°C, Rds(on): 90mOhm)
APFC Boost Diode Global Power Technology G3S06506J (650V, 6A @ 152°C)
APFC Cap(s) 6x Rubycon (420V, 82uF 2-3000h @ 105°C, HXW )
Main Switchers 4x CYS CPB25N50A

APFC Controller

Texas Instrument UCC28180 &
1x Sync Power SPN5003 (reducing no load consumption)

Topology Primary Side: APFC, Full-Bridge & LLC Resonant Converter
Secondary Side: [12V] Synchronous Rectification & [Minor Rails] DC-DC Converters
Secondary Side
+12V MOSFETs 6x Maplesemi SLM150N04 (40V, 100A @ 100°C, Rds(on): 1.1mOhm)
5V & 3.3V DC-DC Converters: : 4x Infineon  BSC0906NS  (30V, 40A @ 100°C, Rds(on): 4.5mOhm)
PWM Controller(s): 2x ANPEC APW7160A
Filtering Capacitors

Electrolytic:
1x Rubycon (10,000 @ 105°C, YXM )
1x Unicon (1,000 @ 105°C, PGM(M) )
8x Unicon (2-5,000 @ 105°C, KXM )
1x Rubycon (10,000 @ 105°C, YXJ )
Polymer:
18 Nippon Chemi-con, 5x ChengX

Supervisor IC INFSitronix IN1S3131-SAG
Fan Power Switch 1x 10U100GS
Fan Model Globe Fan S0921512HB (92mm, 12V, 0.45A, Fluid Dynamic Bearing Fan)
5VSB Circuit
Rectifier (High Side) First Semiconductor  FIR4N70L  (700V, 2.5A @ 100°C, Rds(on) 3.0mOhm)
Standby PWM Controller INFSitronix IN2P070C

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)89.780%
Average Noise Output (>1450 Load Combinations)32.07dBA
Average PF (>1450 Load Combinations)0.990
Efficiency With 10W (≤500W) or 2% (>500W) Load72.588%
Standby Power Consumption0.0851W
12V Ripple (Full Load)43.97mV
5V Ripple (Full Load)24.31mV
3.3V Ripple (Full Load)23.24mV
5VSB Ripple (Full Load)18.87mV
12V Load Regulation0.62%
5V Load Regulation0.69%
3.3V Load Regulation1.13%
5VSB Load Regulation2.92%
Inrush Current56.940A
Efficiency RatingPLATINUM
Noise RatingStandard++
Average Efficiency (>1450 load combinations)91.767%
Average Noise Output (>1450 Load Combinations)30.57dBA
Average PF (>1450 Load Combinations)0.949
Efficiency With 10W (≤500W) or 2% (>500W) Load74.480%
Standby Power Consumption0.1528W
12V Ripple (Full Load)46.54mV
5V Ripple (Full Load)22.98mV
3.3V Ripple (Full Load)23.90mV
5VSB Ripple (Full Load)17.88mV
12V Load Regulation0.61%
5V Load Regulation0.67%
3.3V Load Regulation1.13%
5VSB Load Regulation2.92%
Inrush Current79.590A
12V Transient Response (200%)11.55V
5V Transient Response (200%)4.926V
3.3V Transient Response (200%)3.199V
5VSB Transient Response (200%)4.950V
Hold-Up Time & Power Ok Signal14.90ms
AC Loss to PWR_OK Hold Up Time13.50ms
PWR_OK Inactive to DC Loss Delay1.40ms
PSU Timings: T1 (20% / 100%)105.0ms105.0ms
PSU Timings: T3 (20% / 100%)120.0ms123.0ms
12V OCP (27.3°C / 44.5°C)102.60A (144.92%), 11.987V88.60A (125.14%), 12.017V
5V OCP (27.3°C / 44.5°C)25.6A (128.00%), 4.988V20.9A (104.50%), 4.995V
3.3V OCP (27.3°C / 44.5°C)28.2A (141.00%), 3.294V24.7A (123.50%), 3.296V
5VSB OCP (27.3°C / 44.5°C)4.8A (160.00%), 4.791V* High Ripple (>200mV)4.7A (156.67%), 4.863V* High Ripple (>200mV)
OPP (29.81°C / 43.19°C)142.67%125.60%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)14.9
AC Loss to PWR_OK Hold Up Time (ms)13.5
PWR_OK Inactive to DC Loss Delay (ms)1.4

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.00 V 114.97 V 113.85 V 115.01 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.92 Hz 59.40 Hz 60.01 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.416 1.340 1.417 1.490 PASS
Mains Voltage THD: 0.14 % 0.09 % N/A 0.19 % 2.00 % PASS
Real Power: 0.085 W 0.056 W N/A 0.132 W N/A N/A
Apparent Power: 11.398 W 11.379 W N/A 11.418 W N/A N/A
Power Factor: 0.007 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 230.00 V 229.98 V 227.70 V 230.02 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: 0.153 W 0.097 W N/A 0.304 W N/A N/A
Apparent Power: 37.462 W 37.425 W N/A 37.503 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 0.231W 59.336% 0.032
5.121V 0.358W 114.87V
2 0.09A 0.461W 70.629% 0.057
5.12V 0.653W 114.86V
3 0.55A 2.81W 79.471% 0.242
5.109V 3.536W 114.87V
4 1A 5.098W 80.02% 0.326
5.098V 6.371W 114.86V
5 1.5A 7.628W 79.525% 0.377
5.085V 9.592W 114.86V
6 3A 15.138W 77.293% 0.443
5.046V 19.586W 114.86V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 49.674% 0.012
5.122V 0.466W 229.91V
2 0.09A 0.461W 60.541% 0.02
5.121V 0.762W 229.91V
3 0.55A 2.81W 76.926% 0.093
5.109V 3.653W 229.88V
4 1A 5.098W 78.296% 0.155
5.098V 6.511W 229.89V
5 1.5A 7.628W 78.872% 0.207
5.085V 9.673W 229.88V
6 3A 15.137W 78.256% 0.309
5.045V 19.345W 229.88V

Protection Features

OCP (Normal @ 27.3°C)12V: 102.60A (144.92%), 11.987V
5V: 25.6A (128.00%), 4.988V
3.3V: 28.2A (141.00%), 3.294V
5VSB: 4.8A (160.00%), 4.791V* High Ripple (>200mV)
OCP (Hot @ 44.5°C)12V: 88.60A (125.14%), 12.017V
5V: 20.9A (104.50%), 4.995V
3.3V: 24.7A (123.50%), 3.296V
5VSB: 4.7A (156.67%), 4.863V* High Ripple (>200mV)
OPP (Normal @ 29.8°C)1212.71W (142.67%)
OPP (Hot @ 43.2°C)1067.64W (125.60%)
OTP✓ (108°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% 5.241A 2.002A 2.002A 0.983A 85.003 88.135% 0 <6.0 42.39°C 0.965
12.098V 4.995V 3.297V 5.087V 96.445 40.36°C 114.84V
20% 11.505A 3.006A 3.007A 1.182A 169.933 90.347% 945 10.6 40.52°C 0.985
12.085V 4.99V 3.293V 5.075V 188.088 43.41°C 114.82V
30% 18.125A 3.509A 3.512A 1.382A 254.938 91.248% 1212 20.4 41.01°C 0.992
12.076V 4.987V 3.289V 5.064V 279.39 44.58°C 114.79V
40% 24.760A 4.014A 4.018A 1.584A 340.023 91.42% 1479 26.4 41.66°C 0.994
12.069V 4.983V 3.285V 5.052V 371.935 45°C 114.76V
50% 31.034A 5.021A 5.028A 1.786A 424.797 91.201% 1823 33.4 42.49°C 0.995
12.061V 4.979V 3.282V 5.04V 465.781 46.35°C 114.73V
60% 37.296A 6.029A 6.04A 1.989A 509.368 90.747% 2140 37.5 42.75°C 0.996
12.054V 4.976V 3.278V 5.027V 561.306 46.77°C 114.7V
70% 43.628A 7.039A 7.055A 2.194A 594.665 90.058% 2444 41.9 43.18°C 0.996
12.046V 4.973V 3.275V 5.015V 660.321 47.05°C 114.68V
80% 49.972A 8.048A 8.071A 2.298A 679.494 89.333% 2762 44.9 43.6°C 0.997
12.039V 4.969V 3.271V 5.005V 760.634 47.99°C 114.64V
90% 56.718A 8.557A 8.569A 2.403A 764.882 88.778% 2895 46.3 44.58°C 0.997
12.031V 4.966V 3.267V 4.995V 861.562 49.73°C 114.6V
100% 63.205A 9.066A 9.099A 3.018A 849.713 87.873% 2899 46.2 45.58°C 0.997
12.025V 4.963V 3.264V 4.97V 966.974 51.45°C 114.58V
110% 69.571A 10.081A 10.215A 3.024A 934.308 86.868% 2893 46.4 46.24°C 0.996
12.017V 4.959V 3.259V 4.961V 1075.551 54.19°C 114.53V
CL1 0.116A 12.061A 12.072A 0A 101.291 83.725% 1703 30.4 40.09°C 0.976
12.090V 4.991V 3.288V 5.103V 120.982 44.53°C 114.83V
CL2 0.114A 19.973A 0A 0A 101.334 83.315% 1317 22.7 39.74°C 0.975
12.086V 5.004V 3.287V 5.107V 121.626 43.65°C 114.84V
CL3 0.114A 0A 20.019A 0A 67.379 78.672% 1293 21.8 41.94°C 0.955
12.090V 4.986V 3.297V 5.107V 85.646 44.16°C 114.84V
CL4 70.646A 0A 0A 0A 849.482 88.829% 2897 46.3 45.74°C 0.997
12.025V 4.967V 3.273V 5.059V 956.321 50.47°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% 5.242A 2.002A 2.002A 0.983A 85.004 89.365% 0 <6.0 43.04°C 0.807
12.096V 4.994V 3.297V 5.087V 95.118 40.38°C 229.88V
20% 11.506A 3.006A 3.007A 1.182A 169.939 91.775% 976 11.5 40.7°C 0.912
12.085V 4.99V 3.292V 5.075V 185.169 43.55°C 229.86V
30% 18.127A 3.51A 3.512A 1.383A 254.946 92.703% 1236 21.1 41.43°C 0.953
12.076V 4.986V 3.289V 5.064V 275.016 44.48°C 229.85V
40% 24.762A 4.014A 4.018A 1.584A 340.036 93.004% 1522 27.3 41.98°C 0.971
12.068V 4.983V 3.285V 5.052V 365.618 45.31°C 229.84V
50% 31.038A 5.021A 5.028A 1.786A 424.819 92.985% 1822 33.4 42.16°C 0.978
12.060V 4.979V 3.282V 5.039V 456.868 45.42°C 229.82V
60% 37.302A 6.03A 6.041A 1.99A 509.36 92.797% 2098 37.4 42.87°C 0.979
12.052V 4.976V 3.278V 5.027V 548.892 45.89°C 229.81V
70% 43.636A 7.04A 7.056A 2.194A 594.674 92.387% 2435 41.7 43.32°C 0.98
12.044V 4.972V 3.274V 5.014V 643.681 46.56°C 229.79V
80% 49.983A 8.049A 8.072A 2.298A 679.506 91.892% 2706 45.3 43.61°C 0.98
12.036V 4.969V 3.27V 5.004V 739.461 45.99°C 229.78V
90% 56.731A 8.557A 8.571A 2.403A 764.927 91.472% 2898 46.2 44.35°C 0.981
12.029V 4.966V 3.266V 4.994V 836.242 48.59°C 229.77V
100% 63.219A 9.067A 9.101A 3.019A 849.742 90.922% 2896 46.3 45.66°C 0.981
12.023V 4.962V 3.263V 4.97V 934.588 48.78°C 229.76V
110% 69.589A 10.083A 10.218A 3.024A 934.319 90.276% 2895 46.3 46.14°C 0.981
12.014V 4.958V 3.258V 4.961V 1034.964 51.39°C 229.74V
CL1 0.116A 12.06A 12.071A 0A 101.291 84.711% 2010 36.6 41.22°C 0.849
12.091V 4.991V 3.288V 5.102V 119.575 46.57°C 229.87V
CL2 0.114A 19.971A 0A 0A 101.341 84.159% 1533 27.6 42.39°C 0.846
12.088V 5.005V 3.287V 5.106V 120.448 46.54°C 229.86V
CL3 0.114A 0A 20.02A 0A 67.38 79.679% 1308 22.3 42.14°C 0.785
12.092V 4.986V 3.296V 5.106V 84.566 44.99°C 229.88V
CL4 70.654A 0A 0A 0A 849.47 91.809% 2894 46.3 44.12°C 0.981
12.024V 4.967V 3.272V 5.059V 925.263 47.84°C 229.75V

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 1.228A 0.5A 0.5A 0.196A 19.998 74.969% 0 <6.0 39.1°C 0.798
12.095V 4.997V 3.301V 5.115V 26.675 36.65°C 114.87V
40W 2.702A 0.701A 0.7A 0.293A 39.999 83.557% 0 <6.0 39.52°C 0.899
12.099V 4.996V 3.3V 5.111V 47.871 37.08°C 114.86V
60W 4.176A 0.901A 0.9A 0.392A 59.998 86.614% 0 <6.0 39.91°C 0.939
12.099V 4.996V 3.299V 5.106V 69.271 38.59°C 114.85V
80W 5.646A 1.101A 1.1A 0.49A 79.938 88.29% 0 <6.0 41.85°C 0.959
12.098V 4.995V 3.298V 5.102V 90.541 39.85°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 0.5A 0.5A 0.196A 19.997 75.979% 0 <6.0 37.05°C 0.471
12.093V 4.995V 3.3V 5.115V 26.321 36.12°C 229.89V
40W 2.702A 0.701A 0.7A 0.293A 39.999 84.504% 0 <6.0 38.93°C 0.637
12.095V 4.995V 3.299V 5.111V 47.334 37.9°C 229.89V
60W 4.178A 0.901A 0.9A 0.392A 59.999 87.784% 0 <6.0 39.91°C 0.737
12.095V 4.995V 3.298V 5.106V 68.348 38.65°C 229.88V
80W 5.648A 1.101A 1.101A 0.49A 79.943 89.639% 0 <6.0 40.73°C 0.794
12.095V 4.994V 3.297V 5.102V 89.183 39.38°C 229.88V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load31.15mV22.99mV22.47mV18.01mVPass
20% Load34.11mV23.04mV21.81mV17.14mVPass
30% Load36.98mV24.22mV22.01mV17.86mVPass
40% Load44.40mV23.76mV28.93mV18.37mVPass
50% Load39.69mV23.10mV23.14mV19.09mVPass
60% Load40.25mV23.76mV24.63mV18.73mVPass
70% Load41.68mV25.04mV24.11mV21.50mVPass
80% Load41.89mV25.30mV25.70mV20.22mVPass
90% Load57.64mV25.35mV32.42mV20.16mVPass
100% Load43.97mV24.31mV23.24mV18.87mVPass
110% Load46.55mV23.62mV24.43mV19.54mVPass
Crossload129.59mV20.39mV19.27mV15.50mVPass
Crossload230.12mV22.43mV20.73mV15.49mVPass
Crossload330.69mV22.63mV22.73mV17.60mVPass
Crossload442.97mV24.72mV24.61mV19.18mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load33.35mV23.40mV22.42mV18.47mVPass
20% Load32.37mV23.51mV22.32mV18.27mVPass
30% Load37.80mV21.96mV21.09mV17.14mVPass
40% Load37.95mV21.76mV21.60mV17.14mVPass
50% Load47.31mV24.63mV27.91mV19.39mVPass
60% Load41.83mV23.35mV23.39mV18.63mVPass
70% Load41.28mV24.74mV24.57mV20.32mVPass
80% Load43.06mV25.04mV23.44mV19.70mVPass
90% Load44.29mV25.25mV24.83mV20.63mVPass
100% Load46.54mV22.98mV23.90mV17.88mVPass
110% Load46.06mV23.81mV22.56mV18.95mVPass
Crossload128.78mV20.56mV19.81mV15.20mVPass
Crossload228.33mV19.09mV18.32mV13.60mVPass
Crossload333.04mV22.84mV22.88mV17.40mVPass
Crossload442.54mV22.05mV21.82mV19.53mVPass

The results above are not used in the certification process

XPG PYMCORE Gold 850W

Top side
Power specifications label
Fan
PSU Inside
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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