{"data":{"slug":"seasonic-focus-gx-850-2024","type":"power_supply","brand":"Seasonic","name":"FOCUS GX-850 (2024)","aliases":["FOCUS GX-850 ATX 3 (2024)","FOCUS GX-850 ATX 3.1","FOCUS GX-850 V4","FOCUS-GX-850-V4","FOCUS-GX-850-V4-WHITE","SRP-FGX851-A5A32SF","SRP-FGX851-A5A32SF-WH"],"release_date":"2024-10","url":"https://arkivo.dev/power-supplies/seasonic-focus-gx-850-2024","specs":{"series":"FOCUS GX","model_numbers":["SRP-FGX851-A5A32SF","SRP-FGX851-A5A32SF-WH"],"gtins":["4711173878438","4711173878568"],"announce_date":"2024-09-30","status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":["US","EU"],"colors":["Black","White"],"manufacturer_url":"https://seasonic.com/focus-gx-atx-3/","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":"Seasonic","psu_w":850,"rated_power_temp_c":50,"rail_12v_design":"single","rail_12v_current_a":70,"rail_12v_power_w":840,"minor_rails_combined_w":100,"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_minus","cybenetics_noise_230v":"a_minus","measured_avg_efficiency_115v_pct":89.03,"measured_avg_efficiency_230v_pct":91.3,"measured_light_load_efficiency_115v_pct":71.39,"measured_avg_power_factor_115v":0.979,"measured_avg_noise_115v_dba":28.44,"measured_noise_full_load_115v_dba":42,"measured_vampire_power_115v_w":0.07,"measured_hold_up_time_ms":23.2,"measured_ripple_12v_mv":24.38,"measured_load_regulation_12v_pct":0.92,"cables":[{"connector":"atx_24pin","count":1,"cable_count":1,"length_mm":610,"gauge_awg":"16-18AWG","rated_power_w":null},{"connector":"eps_8pin","count":2,"cable_count":2,"length_mm":700,"gauge_awg":"16AWG","rated_power_w":null},{"connector":"pcie_8pin","count":3,"cable_count":3,"length_mm":750,"gauge_awg":"16-18AWG","rated_power_w":null},{"connector":"12v_2x6","count":1,"cable_count":1,"length_mm":700,"gauge_awg":"16AWG","rated_power_w":600},{"connector":"sata","count":8,"cable_count":2,"length_mm":500,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"molex","count":3,"cable_count":1,"length_mm":450,"gauge_awg":"18AWG","rated_power_w":null}],"eps_connector_count":2,"pcie_8pin_connector_count":3,"gpu_16pin_connector_count":1,"sata_connector_count":8,"molex_connector_count":3,"cable_style":"sleeved","fan_size_mm":135,"fan_bearing":"fluid_dynamic","fan_mode":"semi_passive","fan_mode_switch":true,"protections":["ocp","ovp","uvp","opp","otp","scp","nlo","sip"],"all_japanese_capacitors":true,"mtbf_h":100000,"software_monitoring":null,"software_name":null,"power_display":null,"rgb_lighting":false,"dimensions_mm":{"width_mm":150,"height_mm":86,"depth_mm":140},"weight_kg":1.6,"in_the_box":["User's manual","Power supply installation guide","Plastic cable ties","Velcro cable ties","4x PSU mounting screws","PSU tester device","Power cord","Cloth bag containing PSU modular cables"]},"variants":[{"model_number":"SRP-FGX851-A5A32SF","gtin":"4711173878438","colors":["Black"],"markets":["US","EU"],"launch_price_usd":149.99,"launch_price_eur":139.9},{"model_number":"SRP-FGX851-A5A32SF-WH","gtin":"4711173878568","colors":["White"],"markets":["US","EU"],"launch_price_usd":159.99,"launch_price_eur":149.9}],"sources":[{"url":"https://seasonic.com/focus-gx-atx-3/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url"],"notes":{"manufacturer_url":"Seasonic's site is blocked for agents, so the page text was not read. The link is the FOCUS GX ATX 3.1 family page that search results and a review name for this unit. The specs come from Seasonic's launch release, a retailer copy of Seasonic's spec table, the 80 PLUS list and reviews."}},{"url":"https://www.thefpsreview.com/2024/09/30/seasonic-launches-focus-2024-series-atx-3-1-power-supplies-with-optisink-technology-and-other-design-innovations/","kind":"press_release","accessed":"2026-10-15","fields":["release_date","announce_date","series","psu_atx_version","pcie_cem_version","psu_modular","fan_size_mm","fan_bearing","all_japanese_capacitors","warranty_years","colors","variants","markets"],"notes":{"release_date":"Seasonic's release dated September 30, 2024 says the line is available in China, with Europe in October 2024 and North America in mid-November 2024. LDLC listed the white unit on September 25, 2024 and Hardware Busters reviewed the black GX-850 on October 13, 2024. The month is the first Western availability. China sold it from the announcement date and the white unit reached Japan on December 4, 2024.","announce_date":"Release dated September 30, 2024.","series":"The release names the line FOCUS GX (2024) Series.","psu_atx_version":"Key features: ATX 3.1 and PCIe 5.1.","pcie_cem_version":"Key features: ATX 3.1 and PCIe 5.1.","psu_modular":"Key features: Fully Modular Cabling Design, with a native 12V-2x6 cable.","fan_size_mm":"Key features: 135 mm Fluid Dynamic Bearing (FDB) Fan.","fan_bearing":"Key features: 135 mm Fluid Dynamic Bearing (FDB) Fan.","all_japanese_capacitors":"Key features: Highly Reliable Japanese 105 C Aluminum Electrolytic Capacitors. The wording names no exception. Hardware Busters lists only Japanese brands for the electrolytic capacitors and also 18 FPCAP and 5 Nippon Chemi-Con polymer capacitors.","warranty_years":"Key features: 10 years warranty. The release is global.","colors":"The model table lists the GX-850 and the GX-850 White.","variants":"Launch MSRP of the black GX-850: 149.99 USD (USA) and 139.90 EUR (Europe). The white GX-850: 159.99 USD and 149.90 EUR. The release names no country for the euro price and no tax treatment. Rest of world prices are in USD only and are not stored.","markets":"The release lists a USA price and a Europe price. Other regions are named only as rest of world."}},{"url":"https://eshop.enzure.se/seasonic-focus-gx-850w-atx/cat-p/c/p1005013704","kind":"retailer","accessed":"2026-10-15","fields":["model_numbers","gtins","psu_standard","psu_w","rated_power_temp_c","rail_12v_current_a","rail_5vsb_current_a","ac_input_voltage","cables","cable_style","fan_size_mm","fan_bearing","protections","mtbf_h","warranty_years","dimensions_mm"],"notes":{"model_numbers":"Article number FOCUS-GX-850-V4 is Seasonic's retail code for the black unit and is stored as an alias.","gtins":"EAN 4711173878438 for FOCUS-GX-850-V4 (black). The check digit is valid. Multitronic lists the same EAN for a black unit.","psu_standard":"The page copies Seasonic's spec table. Form Factor ATX/EPS, 140 mm (L) x 150 mm (W) x 86 mm (H), which is the ATX back face of 150 x 86 mm.","psu_w":"Total continuous power 850 W.","rated_power_temp_c":"Operating Temperature 0 - 50 C. The table does not say full power. The Hardware Busters spec table labels the same 0 - 50 C as continuous full load, so 50 is stored.","rail_12v_current_a":"DC output: +3.3 V 20 A, +5 V 20 A, +12 V 70 A, -12 V 0.3 A, +5 VSB 3 A.","rail_5vsb_current_a":"DC output: +5 VSB 3 A.","ac_input_voltage":"AC input 100 V - 240 V, 50 Hz - 60 Hz, full range.","cables":"Seasonic's cable table: MB (24/20 pins) 610 mm 1 cable, CPU (8/4 pins) 700 mm 2 cables, PCIe (8/6 pins) 750 mm 3 cables, SATA 950 mm with 4 plugs on 2 cables, Molex 690 mm with 3 plugs on 1 cable, 12V-2x6 700 mm 1 cable. The SATA and Molex lengths run to the last plug. Hardware Busters gives the first-plug lengths 500 mm for SATA and 450 mm for Molex, which add up to 950 and 690 mm, so the first-plug lengths are stored. Hardware Busters measured 750 mm for the CPU cables and the maker's 700 mm is stored.","cable_style":"Cable type: Individual Black Cables with Braided Pattern. Hardware Busters photos show a separate braided-texture sleeve on each wire.","fan_size_mm":"Fan Size 135 mm, Fan Control Digital Hybrid Fan Control.","fan_bearing":"Fan Bearing: Fluid Dynamic Bearing, life expectancy 50,000 hours at 40 C.","protections":"Protection: OCP, OPP, OTP, OVP, SCP, UVP.","mtbf_h":"MTBF at 25 C, excluding the fan: 100,000 hours.","warranty_years":"Warranty 10 Years.","dimensions_mm":"140 mm (L) x 150 mm (W) x 86 mm (H). Depth 140, width 150, height 86. Hardware Busters writes 150 x 85 x 140 mm."}},{"url":"https://hwbusters.com/psus/seasonic-focus-gx-850-v4-atx-v3-1-psu-review/","kind":"review_site","accessed":"2026-10-15","fields":["oem_manufacturer","psu_modular","rated_power_temp_c","rail_12v_design","rail_12v_current_a","rail_12v_power_w","minor_rails_combined_w","rail_5vsb_current_a","alpm_support","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","cables","cable_style","fan_size_mm","fan_bearing","fan_mode","fan_mode_switch","protections","weight_kg","dimensions_mm","warranty_years","all_japanese_capacitors"],"notes":{"oem_manufacturer":"Technical specifications and Part Analysis: Manufacturer (OEM) Seasonic. Review dated October 13, 2024.","psu_modular":"Technical specifications: Modular Design Yes (Fully). The modular panel has eleven sockets including a native 12V-2x6 socket.","rated_power_temp_c":"Technical specifications: Operating Temperature (Continuous Full Load) 0 - 50 C. Seasonic's own table prints 0 - 50 C as the operating temperature. The review also lists delivering full power at 46 C as a plus.","rail_12v_design":"Technical specifications: Number of 12V rails 1.","rail_12v_current_a":"Power Specifications table: +12V 70 A.","rail_12v_power_w":"Power Specifications table: +12V 840 W. The spec list also prints Power 12V combined 850W, which is the unit total, so the table figure of 840 W is stored. Multitronic copies 70 A and 840 W from the maker.","minor_rails_combined_w":"Power Specifications table: 5V + 3.3V 100 W. Multitronic prints 100 W under both rails, so the figure is one shared limit.","rail_5vsb_current_a":"Power Specifications table: 5VSB 3 A, 15 W.","alpm_support":"Technical specifications: Alternative Low Power Mode support Yes. The PSU Timings page says the PSU supports Alternative Low Power Modes.","cybenetics_efficiency_115v":"Technical specifications: Cybenetics Efficiency [115V] Cybenetics Platinum (89-91%). Seasonic's spec table also says Cybenetics Efficiency Level Platinum with no voltage. The average efficiency chart shows 89.03 percent, which meets the Platinum limit of 89 percent that the review names. The Cybenetics database feed has no report for this 2024 unit. Its report 3202 for a Focus GX-850 (ATX3.1) tested in March 2026 rates it Platinum for the sample it received, which has a different fan model and cable set, so it is not used.","cybenetics_efficiency_230v":"Technical specifications: [230V] Cybenetics Platinum (91-93%). The 230V chart shows 91.3 percent, above the review's Platinum limit of 91 percent.","cybenetics_noise_115v":"Technical specifications: Noise Cybenetics A- (25-30 dB[A]). The 115V average noise chart shows 28.44 dBA, inside that range. Seasonic's spec table also says Cybenetics Noise Level A-. The later Cybenetics report 3202 rates its sample A, which is not used.","cybenetics_noise_230v":"The same A- range of 25-30 dB[A] applies. The 230V average noise chart shows 28.39 dBA. The review does not print a separate 230V level.","measured_avg_efficiency_115v_pct":"Average Efficiency chart, 115V AC input: 89.03 percent. The Cybenetics database has no report for this 2024 unit. Cybenetics report 3202 (March 2026, different fan model and cable set) lists 89.635 percent and is not used.","measured_avg_efficiency_230v_pct":"Average Efficiency chart, 230V AC input: 91.3 percent.","measured_light_load_efficiency_115v_pct":"Efficiency chart at 2 percent load (a unit above 500 W) at 115V: 71.39 percent. The review says the unit passes the 70 percent ATX 3.1 recommendation.","measured_avg_power_factor_115v":"Average PF chart, 115V AC input: 0.979.","measured_avg_noise_115v_dba":"Average Fan Noise chart, 115V AC input: 28.44 dBA. The review's fan noise maps run at 28-32 C ambient. The review calls the average noise not that low for the category.","measured_noise_full_load_115v_dba":"Load regulation table at 115V, 100 percent load row: 42 dB(A) at 1545 rpm with 45.29 C intake and 56.76 C exhaust. The row at 110 percent load shows 51.2 dB(A).","measured_vampire_power_115v_w":"Standby Power Consumption chart, 115V AC input: 0.07 W. The chart shows two decimals.","measured_hold_up_time_ms":"PSU Timing chart, hold-up time: 23.2 ms. The input voltage and the load are not stated in the chart.","measured_ripple_12v_mv":"+12V Ripple (Full Load) chart, 115V AC input: 24.38 mV. The ripple table lists 24.4 mV at 100 percent load.","measured_load_regulation_12v_pct":"Load Regulation +12V chart, 115V AC input, deviation: 0.92 percent. The review says the 12V rail starts low at its 20 W point (11.907 V) and the figure would be 0.28 percent with the 40 W point as the reference.","cables":"Modular Cables table: ATX 20+4 pin 610 mm 16-18AWG, 4+4 pin EPS12V 750 mm 2 cables 16AWG, 6+2 pin PCIe 750 mm 3 cables 16-18AWG, 12+4 pin PCIe 700 mm (600W) 16-24AWG, SATA 500+150+150+150 mm 2 cables with 8 plugs 18AWG, 4-pin Molex 450+120+120 mm 1 cable with 3 plugs 18AWG, no in-cable capacitors. The 16-24AWG range of the 12V-2x6 cable includes the thin sideband wires, so the stored gauge is the 16AWG power wire. The review says the 12V-2x6 cable is set for 600 W. Its box photo shows 10 cables.","cable_style":"Cable photos show black cables with a braided-texture sleeve on each wire.","fan_size_mm":"Part Analysis: Hong Hua HA13525H12F-Z, 135 mm, 12 V, 0.50 A.","fan_bearing":"Part Analysis: Fluid Dynamic Bearing fan.","fan_mode":"Technical specifications: Semi-Passive Operation yes (selectable). The 10 to 20 percent load rows run at 0 rpm.","fan_mode_switch":"The front panel has a switch that toggles the fan's semi-passive operation on or off.","protections":"Protection Features page: OCP, OPP, OTP, SCP, NLO and SIP (surge MOV, inrush NTC and bypass relay) are ticked. Fan failure protection is not present. The Part Analysis lists a Weltrend WT7527RA supervisor IC with OVP, UVP, OCP, SCP and PG. Seasonic's table lists OVP and UVP.","weight_kg":"Technical specifications: 1.60 kg (3.5 lb). The maker states no weight in the spec table that was readable. The review does not say whether it includes cables.","dimensions_mm":"Technical specifications: 150 x 85 x 140 mm (W x H x D). The maker figure of 86 mm height is stored.","warranty_years":"Technical specifications: Warranty 10 years.","all_japanese_capacitors":"Part Analysis lists the electrolytic capacitors as Nichicon, Nippon Chemi-Con and Rubycon, and the polymer capacitors as Nippon Chemi-Con and FPCAP."}},{"url":"https://www.clearesult.com/80plus/node/13568","kind":"certification_list","accessed":"2026-10-15","fields":["efficiency_80_plus","model_numbers"],"notes":{"efficiency_80_plus":"80 PLUS ID 7436, model SRP-FGX851-A5A32SF (FOCUS GX-850 ATX 3), Gold, 115V Internal, certified 06/06/2024, 850 W, 91.61 percent at 50 percent load. The certificate lists no sample serial, so the match is by model code and wattage.","model_numbers":"Model SRP-FGX851-A5A32SF (FOCUS GX-850 ATX 3) is the black unit's code."}},{"url":"https://www.ldlc.com/en/product/PB00647659.html","kind":"retailer","accessed":"2026-10-15","fields":["model_numbers","status","colors","variants","rgb_lighting","cables","dimensions_mm"],"notes":{"model_numbers":"LDLC lists the white unit as FOCUS-GX-850-V4-WHITE, a retail code that is stored as an alias.","status":"The page lists the white unit in stock. Enzure shows the black unit as expected in stock on October 20, 2026.","colors":"The listing is for the white unit.","variants":"The white edition is sold under the same FOCUS GX-850 name. The page says the product was referenced on September 25, 2024.","rgb_lighting":"LED RGB: No. The listing is for the white unit.","cables":"Power connectors: 2 x +12V (P8, 2 x P4), 8 x Serial ATA, 1 x ATX 24 pin, 3 x Molex (4 pin), 3 x PCI Express 6+2 pin, 1 x PCI Express 16 pin (12V-2x6).","dimensions_mm":"Height 86 mm, width 150 mm, length 140 mm."}},{"url":"https://multitronic.fi/en/products/4400624/seasonic-focus-gx-850-v4-atx-3-1-850w---psu--80-plus-gold","kind":"retailer","accessed":"2026-10-15","fields":["gtins","rail_12v_current_a","rail_12v_power_w","minor_rails_combined_w","mtbf_h"],"notes":{"gtins":"EAN 4711173878438, product colour black.","rail_12v_current_a":"Max output current (+12V) 70 A.","rail_12v_power_w":"Combined power (+12V) 840 W.","minor_rails_combined_w":"Combined power (+3.3V) 100 W and (+5V) 100 W, which is one shared limit.","mtbf_h":"Mean time between failures 100000 h."}},{"url":"https://www.awd-it.co.uk/seasonic-focus-gx-850-850w-atx-3-1-80-gold-modular-power-supply-white-focus-gx-850-v4-white.html","kind":"retailer","accessed":"2026-10-15","fields":["gtins","variants"],"notes":{"gtins":"EAN 4711173878568 for the white FOCUS-GX-850-V4-WHITE. The check digit is valid.","variants":"White unit with its own EAN."}},{"url":"https://kakaku.com/item/K0001666012/","kind":"retailer","accessed":"2026-10-15","fields":["model_numbers","variants"],"notes":{"model_numbers":"The Japanese listing names the white unit SRP-FGX851-A5A32SF-WH. The black unit's code SRP-FGX851-A5A32SF comes from the 80 PLUS list.","variants":"The white unit went on sale in Japan on December 4, 2024."}},{"url":"https://www.alktech.co/articles/unboxing-overview-seasonic-focus-gx-atx-3.1-850w-power-supply-unit","kind":"review_site","accessed":"2026-10-15","fields":["in_the_box","fan_mode_switch","cable_style","release_date"],"notes":{"in_the_box":"Unboxing of the black 850W unit, article dated May 2, 2026. Accessories: a Steam gift code promotional leaflet, user's manual, power supply installation guide, plastic cable ties, Velcro cable ties, 4x PSU mounting screws, PSU tester device, power cord and a cloth bag containing the modular cables. The promotional leaflet is not stored. The sample came through the Singapore distributor, so the power cord can differ by region.","fan_mode_switch":"A Hybrid Mode button on the front enables or disables the Digital Hybrid Fan Control, which is the fan-less operation mode.","cable_style":"All cables feature a braided-pattern design.","release_date":"The article says the ATX 3.1 line was released in September 2024."}}],"fields_filled":56,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}