{"data":{"slug":"nzxt-c850-sfx-gold","type":"power_supply","brand":"NZXT","name":"C850 SFX Gold","aliases":["C Series C850 SFX Gold","C850 SFX","NZXT C850 SFX Gold","PS-8G1BB","PS-2402"],"release_date":"2026-02","url":"https://arkivo.dev/power-supplies/nzxt-c850-sfx-gold","specs":{"series":"C Series","model_numbers":["PS-8G1BB-US","PS-8G1BB-EU","PS-8G1BB-UK","PS-8G1BB-JP"],"gtins":["810074847414","810074847421","810074847407","810074847438"],"announce_date":"2026-02","status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":["Black"],"manufacturer_url":"https://nzxt.com/products/c850-sfx-gold","spec_sheet_url":null,"manual_url":"https://cdn-g.nzxt.com/dl/PSU_C850_SFX_Gold_Digital_Manual_V6_260213.pdf","eprel_registration_number":null,"warranty_years":10,"psu_standard":"sfx","psu_atx_version":"atx_3_1","pcie_cem_version":"pcie_5_1","psu_modular":"full","oem_manufacturer":"Channel Well Technology (CWT)","psu_w":850,"rated_power_temp_c":50,"rail_12v_design":"single","rail_12v_current_a":70.83,"rail_12v_power_w":850,"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_platinum","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":89.887,"measured_avg_efficiency_230v_pct":91.826,"measured_light_load_efficiency_115v_pct":74.457,"measured_avg_power_factor_115v":0.989,"measured_avg_noise_115v_dba":25.29,"measured_noise_full_load_115v_dba":44.5,"measured_vampire_power_115v_w":0.0299,"measured_hold_up_time_ms":19.9,"measured_ripple_12v_mv":29.46,"measured_load_regulation_12v_pct":0.29,"cables":[{"connector":"atx_24pin","count":1,"cable_count":1,"length_mm":350,"gauge_awg":"16AWG","rated_power_w":null},{"connector":"eps_8pin","count":1,"cable_count":1,"length_mm":470,"gauge_awg":"16AWG","rated_power_w":null},{"connector":"pcie_8pin","count":3,"cable_count":2,"length_mm":470,"gauge_awg":"16-18AWG","rated_power_w":null},{"connector":"12v_2x6","count":1,"cable_count":1,"length_mm":470,"gauge_awg":null,"rated_power_w":600},{"connector":"sata","count":6,"cable_count":2,"length_mm":100,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"molex","count":3,"cable_count":1,"length_mm":100,"gauge_awg":"18AWG","rated_power_w":null}],"eps_connector_count":1,"pcie_8pin_connector_count":3,"gpu_16pin_connector_count":1,"sata_connector_count":6,"molex_connector_count":3,"cable_style":"embossed","fan_size_mm":92,"fan_bearing":"fluid_dynamic","fan_mode":"semi_passive","fan_mode_switch":false,"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":null,"dimensions_mm":{"width_mm":125,"height_mm":63.5,"depth_mm":100},"weight_kg":0.97,"in_the_box":["C850 SFX Gold","AC Power Cord","Installation Accessories"]},"variants":[{"model_number":"PS-8G1BB-US","gtin":"810074847414","markets":["US"]},{"model_number":"PS-8G1BB-EU","gtin":"810074847421","markets":["EU"]},{"model_number":"PS-8G1BB-UK","gtin":"810074847407","markets":["GB"]},{"model_number":"PS-8G1BB-JP","gtin":"810074847438","markets":["JP"]}],"sources":[{"url":"https://nzxt.com/products/c850-sfx-gold","kind":"manufacturer_page","accessed":"2026-10-15","fields":["series","model_numbers","gtins","status","colors","manufacturer_url","warranty_years","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","cybenetics_efficiency_115v","cybenetics_efficiency_230v","cybenetics_noise_115v","cybenetics_noise_230v","cables","cable_style","fan_size_mm","fan_bearing","fan_mode","protections","all_japanese_capacitors","mtbf_h","dimensions_mm","weight_kg","in_the_box","variants"],"notes":{"series":"The page is in the Power Supplies group of the NZXT store, headed C850 SFX Gold. NZXT also sells the larger C850 Gold ATX 3.1 and C850 Gold Core, which are different products.","model_numbers":"Model Number row: PS-8G1BB-US / PS-8G1BB-EU / PS-8G1BB-UK / PS-8G1BB-JP. The Shopify product data lists the US SKU PS-8G1BB-US at $199.99.","gtins":"UPC row: 810074847414 (US) / 810074847421 (EU) / 810074847407 (UK) / 810074847438 (JP). NZXT also lists an EAN per model, which is not stored.","status":"The page sells the product at $199.99 in black. Not stored as a launch price.","colors":"Color option Black.","warranty_years":"Tech Specs: Warranty 10 years. The page is the US store.","psu_standard":"Tech Specs: Form Factor SFX. Dimensions 125 x 63.5 x 100 mm.","psu_atx_version":"Tech Specs: ATX Version 3.1, Compliance Standard ATX12V v3.1 / EPS12V v2.92.","pcie_cem_version":"Overview: With ATX 3.1 and PCIe 5.1 support, power is prepared for today and the future. FAQ: ATX 3.1 and PCIe 5.1 compliant.","psu_modular":"Tech Specs: Modular Fully modular.","psu_w":"Tech Specs: Wattage 850 W.","rail_12v_current_a":"DC Output Rating: +12 V 70.83 A (850 W).","rail_12v_power_w":"DC Output Rating: +12 V 70.83 A (850 W).","minor_rails_combined_w":"DC Output Rating: +3.3 V and +5 V 20 A (100 W), printed as one limit for both rails.","rail_5vsb_current_a":"DC Output Rating: 5VSB 3 A (15 W).","ac_input_voltage":"AC Input Rating: 100 - 240 Vac, 10 - 5 A, 50 - 60 Hz.","cybenetics_efficiency_115v":"Tech Specs: Cybenetics Efficiency Platinum, with no input voltage. The Cybenetics report shows Platinum at both voltages.","cybenetics_efficiency_230v":"Tech Specs: Cybenetics Efficiency Platinum, with no input voltage. The Cybenetics report shows Platinum at both voltages.","cybenetics_noise_115v":"Tech Specs: Cybenetics Noise A-, with no input voltage. The Cybenetics report shows A- at both voltages.","cybenetics_noise_230v":"Tech Specs: Cybenetics Noise A-, with no input voltage. The Cybenetics report shows A- at both voltages.","cables":"Cable Length & Connector Quantity: 24-pin ATX 350 mm (1), 4+4-pin CPU 470 mm (1), 6+2-pin PCIe 470 mm (1), 16-pin (PSU) to dual 8-pin (6+2) PCIe 470 mm (2), 16-pin (12+4) 12V-2x6 PCIe 470 mm (1), SATA 100 + 100 mm (6), peripherals 100 + 100 mm (3). Inside the Box lists one dual 8-pin cable, one single 6+2-pin cable, two SATA cables and one peripherals cable. The dual 8-pin cable has a 16-pin plug at the PSU end, so it counts as PCIe 8-pin with 2 plugs. The manual lists the 12V-2x6 cable as option 1 and the 6+2-pin or dual 8-pin cable as option 2, and the dual 8-pin cable plugs into the 12V-2x6 socket on the PSU. The lengths are the maker's. Wire gauges and the 600 W rating of the 12V-2x6 cable come from Cybenetics and the overview text (a 600W 12V-2x6 connector). Cybenetics lists 475 mm and 105 mm for the same cables. It counts the dual 8-pin cable as 2 cables, which is not used. The 12V-2x6 gauge is a 16-24AWG range that includes sideband wires, so none is stored.","cable_style":"Tech Specs: Cable Type Individually embossed with cable comb.","fan_size_mm":"Fan Specs: Size 92 mm, PWM, 3,500 +/- 10% RPM.","fan_bearing":"Fan Specs: Bearing Fluid dynamic bearing.","fan_mode":"Fan Specs: Zero RPM Fan Mode Yes.","protections":"Electrical Features: OVP, UVP, SCP, OTP, OPP and OCP. NLO and SIP come from the Cybenetics protection tests.","all_japanese_capacitors":"Tech Specs: Capacitors All 105°C-rated Japanese. The overview says 100% Japanese capacitors rated to 105°C.","mtbf_h":"Operation: MTBF 100,000 hours. The page does not state the test temperature.","dimensions_mm":"Tech Specs: width 125 mm, height 63.5 mm, depth 100 mm.","weight_kg":"Tech Specs: Weight 0.97 kg (2.1 lb). Cybenetics measured 0.966 kg. The page does not say whether cables are included.","in_the_box":"Inside the Box: C850 SFX Gold, 24-pin ATX, 4+4-pin CPU, 6+2-pin PCIe, 16-pin (PSU) to dual 8-pin (6+2) PCIe, 16-pin (12+4) 12V-2x6, 2x SATA, peripherals cable, AC Power Cord, Installation Accessories. The manual adds 4 #6-32 screws. The AC cord differs per region.","variants":"Regional models from the Model Number and UPC rows. The suffix gives the market: US, EU, UK and JP. Only one color, so each row has one UPC."}},{"url":"https://cdn-g.nzxt.com/dl/PSU_C850_SFX_Gold_Digital_Manual_V6_260213.pdf","kind":"manual","accessed":"2026-10-15","fields":["warranty_years","psu_w","rail_12v_current_a","rail_12v_power_w","minor_rails_combined_w","rail_5vsb_current_a","ac_input_voltage","cables","cable_style","fan_size_mm","fan_bearing","fan_mode","protections","all_japanese_capacitors","mtbf_h","dimensions_mm","manual_url","in_the_box"],"notes":{"manual_url":"NZXT PSU C850 SFX Gold Digital Manual, version 6, 2026/2/13.","cables":"Component list: 24-pin ATX x1, 4+4-pin CPU x1, 6+2-pin PCIe x1, 16-pin (PSU) to dual 8-pin (6+2) PCIe x1, 16-pin (12+4) 12V-2x6 PCIe x1, SATA x2, peripherals x1. Specification page 15: lengths 350, 470, 470, 470 and 470 mm, SATA 100 + 100 + 100 mm (6 connectors) and peripherals 100 + 100 + 100 mm (3 connectors). The panel on page 5 has MOTHERBOARD 20+4, PERIPHERAL & SATA, CPU & PCI-E and 12V-2x6 sockets. Step 4 lists the 12V-2x6 cable as option 1 and the 6+2-pin or dual 8-pin cable as option 2.","fan_mode":"Fan Spec page 14: Zero RPM Fan Mode Yes.","protections":"Electrical Features page 15: OVP, UVP, SCP, OTP, OPP, OCP.","mtbf_h":"Operation page 15: MTBF 100,000 hours, Temperature 0 - 50°C.","in_the_box":"Component list: power supply, cables, 4 #6-32 screws, AC power cord."}},{"url":"https://www.cybenetics.com/evaluations/psus/2904/","kind":"measurement","accessed":"2026-10-15","fields":["oem_manufacturer","rated_power_temp_c","rail_12v_design","psu_modular","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","fan_size_mm","fan_bearing","fan_mode","protections","all_japanese_capacitors","weight_kg"],"notes":{"oem_manufacturer":"DUT Information and Parts Description: OEM/ODM CWT. Igor's Lab names Channel Well Technology (CWT). Club386 says HEC, which the Cybenetics parts list does not support.","rated_power_temp_c":"DUT Information, Manufacturer-Provided Information: Operating Temperature (Continuous Full Load) 0 - 50 °C. Cybenetics marks it as manufacturer-provided, so 50 °C is stored. Club386 also says 850W continuous at up to 50°C ambient.","rail_12v_design":"Power Specifications lists one +12V rail at 70.83 A. The 12V OCP test tripped at 89.40 A (126.22 percent of 70.83 A) at 29 °C, so one over-current limit covers the full rated +12V current. Club386 calls it a single 12V rail.","psu_modular":"DUT Information, Manufacturer-Provided Information: Cable Design Fully Modular.","alpm_support":"Temperature and Compliance Info: ALPM (Alternative Low Power Mode) compatible, checked.","cybenetics_efficiency_115v":"Report 25PS2904A, certification ID 252904, issued Aug 20, 2025. ETA Platinum at 115V (Cybenetics database feed, id 2904).","cybenetics_efficiency_230v":"ETA Platinum at 230V (Cybenetics database feed, id 2904).","cybenetics_noise_115v":"LAMBDA A- at 115V (Cybenetics database feed, id 2904).","cybenetics_noise_230v":"LAMBDA A- at 230V (Cybenetics database feed, id 2904).","measured_avg_efficiency_115v_pct":"Average over more than 1450 load combinations at 115V. Received Jul 10, 2025, tested Aug 16, 2025, no serial number printed. 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 (more than 500 W unit) at 115V.","measured_avg_power_factor_115v":"Average over more than 1450 load combinations at 115V.","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 25.39 dBA.","measured_noise_full_load_115v_dba":"Typical load tests at 115V, 100% load row: 44.5 dB(A) at 2739 rpm fan speed, intake 45.98 C. At 230V it is 44.0 dB(A) at 2642 rpm.","measured_vampire_power_115v_w":"Standby power consumption at 115V with no load on +5VSB: 0.0299 W.","measured_hold_up_time_ms":"Hold-Up Time and PWR_OK Signal: hold-up time 19.9 ms, AC loss to PWR_OK 16.8 ms, PWR_OK inactive to DC loss 3.1 ms, at maximum continuous load. The report names no input voltage.","measured_ripple_12v_mv":"Non-accredited measurement. 12V ripple at full load at 115V. At 230V it is 30.05 mV.","measured_load_regulation_12v_pct":"Non-accredited measurement. 12V load regulation at 115V. At 230V it is 0.35%.","cables":"Cables and Connectors table: ATX 24 pin 16AWG, 4+4 pin ATX12V 16AWG, 2x 6+2 pin PCIe (2 cables, 4 connectors) and 6+2 pin PCIe both 16-18AWG, 12+4 pin PCIe (600W) 16-24AWG, SATA 18AWG (2 cables, 6 connectors), 4-pin Molex 18AWG (1 cable, 3 connectors). The 600 W rating is for the 12V-2x6 cable.","fan_size_mm":"Cooling: 92mm Fluid Dynamic Bearing Fan (HA9215SH12FD-F00).","fan_bearing":"Cooling: Fluid Dynamic Bearing Fan.","fan_mode":"DUT Information: Semi-Passive Operation checked.","protections":"Protection Features: OCP, OPP, OTP and SCP on all rails, NLO checked, UVP passed at 90 V full load and at 80 V, surge protection by MOV and inrush protection by NTC and bypass relay. Fan failure protection is marked absent.","all_japanese_capacitors":"Parts Description: bulk capacitor Rubycon, electrolytic Rubycon and Nippon Chemi-con, polymer Nichicon FPCAP and Nippon Chemi-con. All are Japanese makers, which agrees with NZXT.","weight_kg":"DUT Information: Weight 0.966 kg (2.13 lb), the same as the maker's 0.97 kg."}},{"url":"https://www.clearesult.com/80plus/sites/80plus/files/manufacturer-certificate/NZXT_PS-2402_850W_SOCE%207944_Report.pdf","kind":"certification_list","accessed":"2026-10-15","fields":["efficiency_80_plus"],"notes":{"efficiency_80_plus":"80 PLUS ID 7944, model PS-2402, type ATX 3.1, 850W, test date 2025-08-27: Platinum at 115V, 91.09% at 20%, 92.14% at 50% and 89.20% at 100% load. These match NZXT's 91.1, 92.1 and 89.2 percent, and Igor's Lab names PS-2402 as the Cybenetics DUT of the C850 SFX Gold. NZXT's page says 80 PLUS Gold. The list level is stored."}},{"url":"https://www.club386.com/nzxt-c850-sfx-gold-review/","kind":"review_site","accessed":"2026-10-15","fields":["rail_12v_design","rated_power_temp_c","fan_mode_switch","release_date"],"notes":{"rail_12v_design":"Specs and features: single 12V rail rated at 70.83A (850W).","rated_power_temp_c":"Specs and features: 850W continuous at up to 50°C ambient. Detailed inspection: NZXT rates it at the full 850W at an ambient temperature of up to 50°C.","fan_mode_switch":"Detailed inspection: there is no specific button to toggle semi-passive operation.","release_date":"Review dated February 17, 2026. The NZXT store published the product on 2026-02-17 (Shopify product data) and IT Home reported the launch on 2026-02-18."}},{"url":"https://www.igorslab.de/en/nzxt-c850-sfx-gold-power-supply-review-sufficient-power-for-small-cases-with-platinum-coating/","kind":"review_site","accessed":"2026-10-15","fields":["oem_manufacturer"],"notes":{"oem_manufacturer":"Review dated May 4, 2026: OEM Channel Well Technology (CWT). The model line says Cybenetics DUT PS-2402, EU SKU PS-8G1B-EU."}},{"url":"https://www.ithome.com/0/922/379.htm","kind":"press","accessed":"2026-10-15","fields":["announce_date"],"notes":{"announce_date":"IT Home article dated 2026-02-18 reports NZXT unveiling the C850 SFX Gold with its H2 Flow case. It gives an Asia-Pacific MSRP of 159.99 USD, which is not stored."}}],"fields_filled":55,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}