{"data":{"slug":"cooler-master-mwe-gold-850-v3","type":"power_supply","brand":"Cooler Master","name":"MWE Gold 850 V3","aliases":["MWE Gold 850 V3 ATX 3.1","GX II Gold 850 ATX 3.1","GX II 850 GOLD","MPX-8503-AFAG"],"release_date":"2024-06","url":"https://arkivo.dev/power-supplies/cooler-master-mwe-gold-850-v3","specs":{"series":"MWE Gold","model_numbers":["MPX-8503-AFAG-2BUV","MPX-8503-AFAG-2EBEU"],"gtins":["884102119255"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":["Black"],"manufacturer_url":"https://www.coolermaster.com/en-us/products/mwe-gold-850-v3.html","spec_sheet_url":null,"manual_url":null,"eprel_registration_number":null,"warranty_years":10,"psu_standard":"atx","psu_atx_version":"atx_3_1","pcie_cem_version":"pcie_5_1","psu_modular":"full","oem_manufacturer":"Lite-On","psu_w":850,"rated_power_temp_c":null,"rail_12v_design":"single","rail_12v_current_a":70.8,"rail_12v_power_w":849.6,"minor_rails_combined_w":120,"rail_5vsb_current_a":3,"ac_input_voltage":{"min_v":100,"max_v":240},"alpm_support":true,"efficiency_80_plus":"80_plus_gold","cybenetics_efficiency_115v":"cybenetics_platinum","cybenetics_efficiency_230v":"cybenetics_platinum","cybenetics_noise_115v":"a","cybenetics_noise_230v":"a_plus","measured_avg_efficiency_115v_pct":89.579,"measured_avg_efficiency_230v_pct":91.725,"measured_light_load_efficiency_115v_pct":82.48,"measured_avg_power_factor_115v":0.992,"measured_avg_noise_115v_dba":22.87,"measured_noise_full_load_115v_dba":49.1,"measured_vampire_power_115v_w":0.068,"measured_hold_up_time_ms":20.9,"measured_ripple_12v_mv":58.45,"measured_load_regulation_12v_pct":0.81,"cables":[{"connector":"atx_24pin","count":1,"cable_count":1,"length_mm":605,"gauge_awg":"18-22AWG","rated_power_w":null},{"connector":"eps_8pin","count":2,"cable_count":2,"length_mm":600,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"pcie_8pin","count":4,"cable_count":null,"length_mm":null,"gauge_awg":null,"rated_power_w":null},{"connector":"12v_2x6","count":1,"cable_count":1,"length_mm":650,"gauge_awg":"16AWG","rated_power_w":600},{"connector":"sata","count":6,"cable_count":null,"length_mm":null,"gauge_awg":null,"rated_power_w":null},{"connector":"molex","count":2,"cable_count":null,"length_mm":null,"gauge_awg":null,"rated_power_w":null}],"eps_connector_count":2,"pcie_8pin_connector_count":4,"gpu_16pin_connector_count":1,"sata_connector_count":6,"molex_connector_count":2,"cable_style":"mixed","fan_size_mm":120,"fan_bearing":"hydrodynamic","fan_mode":"semi_passive","fan_mode_switch":false,"protections":["ocp","ovp","uvp","opp","otp","scp","nlo","sip"],"all_japanese_capacitors":null,"mtbf_h":100000,"software_monitoring":null,"software_name":null,"power_display":null,"rgb_lighting":null,"dimensions_mm":{"width_mm":150,"height_mm":86,"depth_mm":160},"weight_kg":null,"in_the_box":["AC power cable","Mounting screws"]},"variants":[{"model_number":"MPX-8503-AFAG-2BUV","gtin":"884102119255","markets":["US"]},{"model_number":"MPX-8503-AFAG-2EBEU","markets":["EU"]}],"sources":[{"url":"https://www.coolermaster.com/en-us/products/mwe-gold-850-v3.html","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","status","model_numbers"],"notes":{"manufacturer_url":"US store page for the MWE Gold 850 V3. It lists 750 W and 850 W options. Its specification table matches the global page.","status":"October 2026: In Stock at USD 119.99, shipped from California. The price is a current store price and is not stored as a launch price.","model_numbers":"Specification table: Model 850: MPX-8503-AFAG-2***. The Amazon US listing gives the full code MPX-8503-AFAG-2BUV."}},{"url":"https://www.coolermaster.com/en-global/products/mwe-gold-850-v3-atx-3-1.html","kind":"manufacturer_page","accessed":"2026-10-15","fields":["series","psu_standard","psu_atx_version","pcie_cem_version","psu_modular","psu_w","rail_12v_current_a","rail_12v_power_w","minor_rails_combined_w","rail_5vsb_current_a","ac_input_voltage","warranty_years","cables","fan_size_mm","fan_bearing","fan_mode","protections","mtbf_h","dimensions_mm"],"notes":{"series":"Specification table: Series MWE Gold Series.","psu_standard":"Specification table: Form Factor ATX.","psu_atx_version":"Specification table: ATX Version ATX 12V Ver. 3.1. The title is MWE Gold 850 V3 ATX 3.1.","pcie_cem_version":"Feature text: a 90-degree 12+4pin (12V-2x6) PCIe 5.1 connector. Amazon US titles it PCIe 5.1 Ready.","psu_modular":"Specification table: Modular Fully Modular.","psu_w":"Specification table: Watts 850W.","rail_12v_current_a":"The page prints no rail table. The label photo in the product gallery (model MPX-8503-AFAG) prints +12V 70.8 A and 849.6 W. The Cybenetics power table has the same values.","rail_12v_power_w":"Gallery label photo: +12V 849.6 W. Tom's Hardware rounds it to 850 W.","minor_rails_combined_w":"Gallery label photo: +5V 20 A and +3.3V 20 A with one 120 W cell for both rails.","rail_5vsb_current_a":"Gallery label photo: +5VSB 3 A, 15 W.","ac_input_voltage":"Specification table: Input Voltage 100-240V, input current 10-5A, 50-60 Hz.","warranty_years":"Feature list: 10-year warranty. The page names no market.","cables":"Specification table: ATX 24 pin 1, EPS 4+4 pin 1, EPS 8 pin 1, SATA 6, peripheral 4 pin 2, PCI-e 6+2 pin 4, 12V-2x6 1. Tom's Hardware and LDLC list the same counts. The maker gives no lengths or cable counts. Lengths and gauge of the ATX, EPS and 12V-2x6 cables come from the Cybenetics report. The report sample has a different bundle for PCIe, SATA and Molex, so those rows carry the maker counts only.","fan_size_mm":"Specification table: Fan Size 120mm, 2500 RPM.","fan_bearing":"Specification table: Fan Bearing HDB. The Cybenetics report prints a fluid dynamic bearing fan HA1225H12F-Z. Tom's Hardware names a Yate Loon D12BH-12 with a ball bearing. The maker's HDB is stored.","fan_mode":"Feature list: silent fan performance with a zero-RPM mode.","protections":"Specification table: OPP / OVP / OTP / OCP / SCP / UVP / Surge & Inrush Protection. NLO is added from the Cybenetics protection tests. The Cybenetics OTP test did not shut the unit down, the maker's OTP claim is stored.","mtbf_h":"Specification table: MTBF greater than 100,000 hours. The test temperature is not stated.","dimensions_mm":"Specification table: Dimensions (L x W x H) 160 x 150 x 86 mm, so depth 160, width 150, height 86."}},{"url":"https://www.cybenetics.com/evaluations/psus/2478/","kind":"measurement","accessed":"2026-10-15","fields":["release_date","oem_manufacturer","alpm_support","rail_12v_current_a","rail_12v_power_w","minor_rails_combined_w","rail_5vsb_current_a","cables","fan_mode","protections","cybenetics_efficiency_115v","cybenetics_efficiency_230v","cybenetics_noise_115v","cybenetics_noise_230v","measured_avg_efficiency_115v_pct","measured_avg_efficiency_230v_pct","measured_light_load_efficiency_115v_pct","measured_avg_power_factor_115v","measured_avg_noise_115v_dba","measured_noise_full_load_115v_dba","measured_vampire_power_115v_w","measured_hold_up_time_ms","measured_ripple_12v_mv","measured_load_regulation_12v_pct"],"notes":{"oem_manufacturer":"DUT Information: OEM/ODM Lite-on. Tom's Hardware also names LITEON.","alpm_support":"Temperature and Compliance Info: ALPM compatible, checked. The report also shows the ATX 3.1 badge and a passed ATX v3.1 power excursion test.","rail_12v_current_a":"Power Specifications: +12V 70.8 A, 849.6 W.","rail_12v_power_w":"Power Specifications: +12V 849.6 W.","minor_rails_combined_w":"Power Specifications: 3.3V and 5V 20 A each, one 120 W cell for both rails.","rail_5vsb_current_a":"Power Specifications: 5VSB 3 A, 15 W.","cables":"Cables and Connectors table: ATX 20+4 pin 605 mm 18-22AWG, 4+4 pin EPS and 8 pin EPS 600 mm 18AWG each, 12+4 pin PCIe 650 mm (600W) 16-28AWG, three single 6+2 pin PCIe cables 550 mm, two SATA cables with 8 plugs and one Molex cable with 4 plugs. The 16-28AWG range of the 12V-2x6 cable includes the thin sideband wires, so the stored gauge is the 16AWG power wire. The PCIe, SATA and Molex counts differ from the maker's table, so only the maker counts are stored for those rows. heise.de prints a 450 W rating for the 12V-2x6 cable, the report and the Amazon US listing say 600 W.","fan_mode":"DUT Information: Semi-Passive Operation checked.","protections":"Protection tests: NLO passed, SCP passed on all rails, surge by MOV and inrush by NTC and relay. The report has no UVP row. OTP shows Didn't shut down. Fan failure protection is missing.","cybenetics_efficiency_115v":"Report 24PS2478A, certification ID 252478, issued Jun 18, 2024. The report names the unit GX II 850 GOLD (MWE Gold 850 V3) and notes Also sold as: MWE Gold 850 V3. The sample serial PS58513CD2312020014A1GZ has a Dec 2023 date code and its label reads model MPX-8503-AFAG. ETA Platinum badge at 115V. heise.de also ties this report to MPX-8503-AFAG-2EBEU.","cybenetics_efficiency_230v":"ETA Platinum badge at 230V.","cybenetics_noise_115v":"LAMBDA A badge at 115V.","cybenetics_noise_230v":"LAMBDA A+ badge at 230V.","measured_avg_efficiency_115v_pct":"Average over more than 1450 load combinations at 115V. Tested Jun 17, 2024, ambient 28-32 C.","measured_avg_efficiency_230v_pct":"Average over more than 1450 load combinations at 230V.","measured_light_load_efficiency_115v_pct":"Efficiency at 2% load at 115V. The unit is above 500 W, so the 2% load applies.","measured_avg_power_factor_115v":"Average over more than 1450 load combinations at 115V. At 230V it is 0.981.","measured_avg_noise_115v_dba":"Average over more than 1450 load combinations at 115V, ambient 28-32 C, Bruel and Kjaer 2270 G4 sound analyzer. The 230V average is 18.91 dBA.","measured_noise_full_load_115v_dba":"Typical load tests at 115V, 100% load row: 49.1 dB(A) at 2868 rpm fan speed, intake 45.51 C and exhaust 53.59 C.","measured_vampire_power_115v_w":"Standby power consumption at 115V with no load on +5VSB: 0.0680 W. At 230V it is 0.1253 W.","measured_hold_up_time_ms":"Hold-Up Time and PWR_OK Signal: hold-up time 20.9 ms, AC loss to PWR_OK 18.2 ms, at maximum continuous load. The maker claims at least 16 ms at 80% load.","measured_ripple_12v_mv":"Non-accredited. 12V ripple at full load at 115V. At 230V it is 56.06 mV. Tom's Hardware measured 52 mV at 100% load.","measured_load_regulation_12v_pct":"Non-accredited. 12V load regulation at 115V. At 230V it is 0.75%.","release_date":"Report issued Jun 18, 2024, sample received May 29, 2024, for GX II 850 GOLD (MWE Gold 850 V3). This is the earliest dated evidence for the unit. Tom's Hardware reviewed it on 2025-03-08. The maker names no launch date, so the month is approximate."}},{"url":"https://www.clearesult.com/80plus/sites/80plus/files/manufacturer-certificate/COOLER%20MASTER_MPX-8503-AFAG_850W_SOCE%206931_Report.pdf","kind":"certification_list","accessed":"2026-10-15","fields":["efficiency_80_plus"],"notes":{"efficiency_80_plus":"80 PLUS ID 6931, model MPX-8503-AFAG, type ATX12V: Gold at 115V, test date 2022-12-16, rated input 100-240 V, 10-5 A, 850 W. The model code matches the unit label. The certificate lists no sample serial. The later entry MPX-8505-AFAG (ID 7816, input 12-6 A) is a different model."}},{"url":"https://www.tomshardware.com/pc-components/power-supplies/cooler-master-mwe-gold-850-v3-power-supply-review","kind":"review_site","accessed":"2026-10-15","fields":["release_date","oem_manufacturer","cable_style","fan_mode_switch","in_the_box","cables","rail_12v_design"],"notes":{"release_date":"Review published 2025-03-08 for the MWE Gold 850 V3 at USD 105. It is the first review found. The Cybenetics report of the same unit is dated June 2024.","oem_manufacturer":"Internal Design: the OEM is LITEON.","cable_style":"All-black cables, most flat and ribbon-like without sleeving. The 12+4 pin cable has nylon sleeving and a 90-degree connector.","fan_mode_switch":"External Appearance: the front has only the AC receptacle and the on/off switch. The hybrid fan mode has no way to be disabled.","in_the_box":"In the Box: mounting screws and an AC power cable. No cable straps, ties or accessories.","cables":"Connector table, all modular: ATX 24 pin 1, EPS 4+4 pin 1, EPS 8 pin 1, PCI-E 8 pin 4, 12V-2x6 1, SATA 6, Molex 2.","rail_12v_design":"Power Specifications table: one +12V column, 70.8 A."}},{"url":"https://www.amazon.com/Cooler-Master-Efficiency-Zero-RPM-Hexagonal/dp/B0D68VH8DR","kind":"retailer","accessed":"2026-10-15","fields":["model_numbers","gtins","variants","pcie_cem_version"],"notes":{"model_numbers":"US listing, ASIN B0D68VH8DR: Model Number and Mfr Part Number MPX-8503-AFAG-2BUV.","gtins":"UPC 884102119255 belongs to the US model MPX-8503-AFAG-2BUV.","variants":"MPX-8503-AFAG-2BUV is the US model with UPC 884102119255.","pcie_cem_version":"Listing title: PCIe 5.1 Ready, ATX 3.1, 12V-2x6 cable."}},{"url":"https://www.ldlc.com/en/product/PB00697440.html","kind":"retailer","accessed":"2026-10-15","fields":["colors","variants","cables","model_numbers"],"notes":{"colors":"Colour Black. Heise.de prints Schwarz.","variants":"French listing for the EU model MPX-8503-AFAG-2EBEU, referenced on 31 Jul 2025. It prints no EAN.","cables":"Connectors: 1 ATX 24 pin, 4 PCI Express 6+2 pin, 1 16-pin 12V-2x6, 6 SATA, 2 Molex. This matches the maker's table.","model_numbers":"Listing model MPX-8503-AFAG-2EBEU. Arvutitark and heise.de list the same code for the GX II Gold 850W ATX 3.1."}}],"fields_filled":50,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}