{"data":{"slug":"montech-century-ii-1050w","type":"power_supply","brand":"Montech","name":"Century II 1050W","aliases":["Century II Gold 1050 ATX3","Montech Century II 1050","Century II 1050"],"release_date":"2025-04","url":"https://arkivo.dev/power-supplies/montech-century-ii-1050w","specs":{"series":"Century II","model_numbers":["Century II 1050W"],"gtins":["4710562743371"],"announce_date":"2025-04-15","status":"available","predecessor":null,"successor":null,"launch_price_usd":109.9,"launch_price_eur":null,"markets":null,"colors":["Metallic Silver"],"manufacturer_url":"https://www.montechpc.com/century-ii-1050w","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":"Shenzhen Xinweiye Technology (XWY)","psu_w":1050,"rated_power_temp_c":null,"rail_12v_design":"single","rail_12v_current_a":87.5,"rail_12v_power_w":1050,"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":90.064,"measured_avg_efficiency_230v_pct":92.072,"measured_light_load_efficiency_115v_pct":73.26,"measured_avg_power_factor_115v":0.99,"measured_avg_noise_115v_dba":28.5,"measured_noise_full_load_115v_dba":44.6,"measured_vampire_power_115v_w":0.0534,"measured_hold_up_time_ms":24.3,"measured_ripple_12v_mv":22.04,"measured_load_regulation_12v_pct":0.26,"cables":[{"connector":"atx_24pin","count":1,"cable_count":1,"length_mm":600,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"eps_8pin","count":2,"cable_count":2,"length_mm":700,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"pcie_8pin","count":6,"cable_count":3,"length_mm":600,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"12v_2x6","count":1,"cable_count":1,"length_mm":600,"gauge_awg":"16AWG","rated_power_w":600},{"connector":"sata","count":12,"cable_count":3,"length_mm":500,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"molex","count":4,"cable_count":1,"length_mm":500,"gauge_awg":"18AWG","rated_power_w":null}],"eps_connector_count":2,"pcie_8pin_connector_count":6,"gpu_16pin_connector_count":1,"sata_connector_count":12,"molex_connector_count":4,"cable_style":"flat","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":null,"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":1.49,"in_the_box":["AC power cable","Mounting screws","Cable ties","Cable straps"]},"variants":[],"sources":[{"url":"https://www.montechpc.com/century-ii-1050w","kind":"manufacturer_page","accessed":"2026-10-14","fields":["series","model_numbers","gtins","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","cables","cable_style","fan_size_mm","fan_bearing","fan_mode","protections","all_japanese_capacitors","dimensions_mm"],"notes":{"model_numbers":"Specifications tab: Model Name Century II 1050W. The maker prints no part number.","gtins":"Specifications tab: EAN 4710562743371. A UK retailer's store data lists the same barcode for SKU CENTURY II 1050W.","colors":"Overview text: a metallic silver finish. The maker names no other colour. Tom's Hardware describes a half black and half silver body.","warranty_years":"Specifications tab: Warranty 10 Years. The page is the global maker page and names no market.","psu_standard":"Specifications tab: Form Factor ATX (140).","psu_atx_version":"Overview: built to ATX 3.1 and PCIe 5.1 platforms. The 80 PLUS certificate type line reads ATX 3.0, ATX 3.1.","pcie_cem_version":"Overview: built to ATX 3.1 and PCIe 5.1 platforms.","rail_12v_current_a":"DC Output table: +12V 87.5A, 1050W.","rail_12v_power_w":"DC Output table: +12V 87.5A, 1050W.","minor_rails_combined_w":"DC Output table prints +3.3V 20A and +5V 20A with one 100W cell and a blank cell. The Cybenetics power table has one merged 100W cell for 3.3V and 5V, so 100W is the combined limit. Tom's Hardware prints 120W, which no other source confirms.","rail_5vsb_current_a":"DC Output table: +5VSB 3A, 15W.","ac_input_voltage":"AC Input 100-240Vac 50-60Hz 15A-10A.","cables":"Cables table: 1 motherboard cable with a 20+4 pin plug, 2 CPU cables with one 4+4 pin plug, 3 PCIe cables with two 6+2 pin plugs, 1 12V-2x6 cable, 3 SATA cables with 4 plugs and 1 Molex cable with 4 plugs. Lengths and gauge come from the Cybenetics report.","cable_style":"Overview: flat cables and a fully modular design.","fan_size_mm":"Specifications tab: Fan Size 135mm.","fan_bearing":"Specifications tab: Bearing FDB.","fan_mode":"Overview: 135mm FDB fan with Smart Zero Fan mode.","protections":"Specifications tab: OPP / OVP / UVP / SCP / OCP / OTP.","all_japanese_capacitors":"Overview: 100% Japanese capacitors.","dimensions_mm":"Specifications tab: Dimensions (L*W*H) 140*150*86mm, so depth 140, width 150, height 86. The page also prints Operating Temperature 0-40 C, which is not stored. Tom's Hardware prints its power table as Rated @ 50 C and Hardware Busters prints 0-50 C."}},{"url":"https://www.funkykit.com/news/montech-introduces-century-ii-power-supply/","kind":"press","accessed":"2026-10-14","fields":["announce_date","release_date","launch_price_usd"],"notes":{"announce_date":"Article dated 2025-04-15. It says the line is available on April 15, 2025 at 9 AM Eastern Time.","release_date":"Available from 2025-04-15 per the launch report. KitGuru reviewed the 1050W on 2025-04-23.","launch_price_usd":"Century II 1050 W: US$ 109.9. The 850 W is US$ 89.9 and the 1200 W is US$ 129.9. US price, no sales tax. KitGuru and Tom's Hardware print about $110."}},{"url":"https://www.cybenetics.com/evaluations/psus/2812/","kind":"measurement","accessed":"2026-10-14","fields":["oem_manufacturer","rail_12v_design","alpm_support","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","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","protections","fan_mode","fan_bearing","fan_size_mm","fan_mode_switch","psu_modular","psu_standard"],"notes":{"oem_manufacturer":"DUT Information: OEM/ODM Shenzhen Xinweiye Technology Co., Ltd. Tom's Hardware calls the company XWY.","rail_12v_design":"Power Specifications: one +12V column with 87.5A and 1050W.","alpm_support":"Temperature and Compliance Info: ALPM compatible, checked.","psu_w":"Manufacturer-provided information: Rated Power 1050 W.","ac_input_voltage":"Manufacturer-provided information: 100-240 Vrms, 10-15 A, 50-60 Hz.","cybenetics_efficiency_115v":"Report 25PS2812A, certification ID 252812, issued May 13, 2025. The database name is Montech Century II Gold 1050 ATX3. The badge is ETA Platinum at 115V.","cybenetics_efficiency_230v":"ETA Platinum at 230V.","cybenetics_noise_115v":"LAMBDA A- at 115V.","cybenetics_noise_230v":"LAMBDA A- at 230V.","measured_avg_efficiency_115v_pct":"Average over more than 1450 load combinations at 115V. Tested May 10, 2025, received Apr 29, 2025, ambient 28-32 C. The report lists no sample serial.","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. At 230V it is 0.958.","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 28.09 dBA.","measured_noise_full_load_115v_dba":"Typical load tests at 115V, 100% load row: 44.6 dB(A) at 1894 rpm fan speed, ambient about 30 C. At 230V it is 44.5 dB(A) at 1888 rpm.","measured_vampire_power_115v_w":"Standby power consumption at 115V with no load on +5VSB: 0.0534 W. At 230V it is 0.0998 W.","measured_hold_up_time_ms":"Hold-Up Time and PWR_OK Signal: hold-up time 24.3 ms, AC loss to PWR_OK 21.2 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. 12V ripple at full load at 115V. At 230V it is 23.57 mV.","measured_load_regulation_12v_pct":"Non-accredited. 12V load regulation at 115V. At 230V it is 0.24%.","cables":"Cables and Connectors table: ATX 20+4 pin 600 mm 18AWG, 2 x 4+4 pin EPS 700 mm 18AWG, 3 PCIe cables with 6+2 pin plugs, 600 mm then 150 mm, 6 plugs in total, 18AWG, 12+4 pin PCIe 600 mm (600W) 16-26AWG, 3 SATA cables of 500 mm plus 3 x 150 mm spacing with 12 plugs in total, 18AWG, 1 Molex cable 500 mm plus 3 x 150 mm with 4 plugs, 18AWG. The 16-26AWG range of the 12V-2x6 cable includes the thin sideband wires, so the stored gauge is the 16AWG power wire.","protections":"Protection Features (Manufacturer) lists OPP, +12V OCP, OTP, SCP, surge and inrush current protection. Protection tests tick UVP at 90 V and 80 V and NLO, and SIP shows an MOV for surge and an NTC with bypass relay for inrush. The maker lists OVP, which the report does not test.","fan_mode":"DUT Information: Semi-Passive Operation checked (selectable). The 10% load row shows 0 rpm at 115V.","fan_bearing":"DUT Information: 135mm Fluid Dynamic Bearing Fan (HA13525H12F-Z).","fan_size_mm":"DUT Information: 135mm Fluid Dynamic Bearing Fan.","fan_mode_switch":"DUT Information: Semi-Passive Operation marked selectable.","psu_modular":"DUT Information: Cable Design Fully Modular.","psu_standard":"DUT Information: Type ATX12V. The maker lists form factor ATX (140)."}},{"url":"https://www.clearesult.com/80plus/sites/80plus/files/manufacturer-certificate/MONTECH_CENTURY%20II%201050W_1050W_SOCE%207851_Report.pdf","kind":"certification_list","accessed":"2026-10-14","fields":["efficiency_80_plus"],"notes":{"efficiency_80_plus":"80 PLUS ID 7851, model CENTURY II 1050W, type ATX 3.0, ATX 3.1, 1050 W, 115V Internal, Gold, test date 2025-06-04. The certificate lists no sample serial. The maker's own page says Platinum, which is the Cybenetics level."}},{"url":"https://hwbusters.com/psus/montech-century-ii-1050w-atx-v3-1-psu-review/","kind":"review_site","accessed":"2026-10-14","fields":["weight_kg","oem_manufacturer","rail_12v_design","fan_mode_switch","cable_style","launch_price_usd"],"notes":{"weight_kg":"Technical specifications: 1.49 kg (3.28 lb). The review does not say whether cables are included. Montech does not publish a weight. Best Buy's 104 oz and a Cyprus retailer's 3.9 kg are packed weights and are not stored.","oem_manufacturer":"Technical specifications: Manufacturer (OEM) Shenzhen Xinweiye Technology.","rail_12v_design":"Technical specifications: Number of 12V rails 1.","fan_mode_switch":"Product photos page: on the front, besides the power switch, a smaller switch enables or disables the fan's semi-passive operation.","cable_style":"Cables page: all cables are flat and consist of black gauges. Review published May 31, 2025.","launch_price_usd":"Technical specifications: MSRP (excluding VAT) $110. Tom's Hardware also prints $110. The stored value is the maker's launch price from the Funkykit report."}},{"url":"https://www.tomshardware.com/pc-components/power-supplies/montech-century-ii-gold-1050w-atx-3-1-power-supply-review","kind":"review_site","accessed":"2026-10-14","fields":["oem_manufacturer","fan_mode_switch","in_the_box","all_japanese_capacitors"],"notes":{"oem_manufacturer":"Internal Design: the OEM is XWY (Shenzhen Xin Weiye Technology Co.).","fan_mode_switch":"External Appearance: the front has a button to toggle the hybrid fan mode.","in_the_box":"In the Box: mounting screws, an AC power cable, a few cable ties and several cable straps. The review was published on 3 May 2025.","all_japanese_capacitors":"Internal Design: capacitors are a mix of Nippon Chemi-Con, Rubycon and Toshin Kogyo, all Japanese makers."}},{"url":"https://www.maxmybuild.com/power-supplies/montech-century-ii-1050w","kind":"retailer","accessed":"2026-10-14","fields":["status","rgb_lighting"],"notes":{"status":"Listing shows $109.90 at Amazon and Newegg, both in stock, updated 14 Oct 2026. The Amazon US listing (ASIN B0F3XRMZBM) ranks #18 in Computer Power Supplies.","rgb_lighting":"Listing specs: no RGB. Tom's Hardware, Hardware Busters and the maker page describe no lighting."}}],"fields_filled":54,"updated":"2026-10-14"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}