{"data":{"slug":"montech-century-ii-1200w","type":"power_supply","brand":"Montech","name":"Century II 1200W","aliases":["Century II Gold 1200 ATX3","Montech Century II 1200","Century II 1200"],"release_date":"2025-04","url":"https://arkivo.dev/power-supplies/montech-century-ii-1200w","specs":{"series":"Century II","model_numbers":["Century II 1200W"],"gtins":["4710562746365"],"announce_date":"2025-04-15","status":"available","predecessor":null,"successor":null,"launch_price_usd":129.9,"launch_price_eur":null,"markets":null,"colors":["Metallic Silver"],"manufacturer_url":"https://www.montechpc.com/century-ii-1200w","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":1200,"rated_power_temp_c":null,"rail_12v_design":"single","rail_12v_current_a":100,"rail_12v_power_w":1200,"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":"standard_plus_plus","cybenetics_noise_230v":"a_minus","measured_avg_efficiency_115v_pct":89.94,"measured_avg_efficiency_230v_pct":92.169,"measured_light_load_efficiency_115v_pct":65.28,"measured_avg_power_factor_115v":0.984,"measured_avg_noise_115v_dba":30.37,"measured_noise_full_load_115v_dba":45.1,"measured_vampire_power_115v_w":0.0521,"measured_hold_up_time_ms":24,"measured_ripple_12v_mv":19.68,"measured_load_regulation_12v_pct":0.46,"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":null,"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":1.53,"in_the_box":null},"variants":[],"sources":[{"url":"https://www.montechpc.com/century-ii-1200w","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":{"series":"Page title: CENTURY II 1200W in the CENTURY line of 80 PLUS Gold units.","model_numbers":"Specifications tab: Model Name Century II 1200W. The maker prints no part number.","gtins":"Specifications tab: EAN 4710562746365.","colors":"Overview text: a sleek metallic silver finish. The maker names no other colour.","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, with a standard 12V-2x6 cable.","psu_modular":"Overview: a fully modular design with included flat cables.","psu_w":"Specifications tab: Wattage 1200, Total Power 1200W.","rail_12v_current_a":"DC Output table: +12V 100A, 1200W.","rail_12v_power_w":"DC Output table: +12V 100A, 1200W.","minor_rails_combined_w":"DC Output table prints +3.3V 20A and +5V 20A with one 100W cell. The Cybenetics power table has one merged 100W cell for 3.3V and 5V, so 100W is the combined limit.","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 (600 mm), 2 CPU cables with one 4+4 pin plug each (700 mm), 3 PCIe cables with two 6+2 pin plugs each (600 mm), 1 12V-2x6 cable (600 mm), 3 SATA cables with 4 plugs each (950 mm to the last plug) and 1 Molex cable with 4 plugs (950 mm to the last plug). The first-plug lengths of the SATA and Molex cables (500 mm) and the gauge come from the Cybenetics report. The report measures the ATX cable at 595 mm, the maker table says 600 mm.","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 fan with Smart Zero Fan mode.","protections":"Specifications tab: OPP / OVP / UVP / SCP / OCP / OTP. NLO and SIP come from the Cybenetics protection tests.","all_japanese_capacitors":"Overview: 100% Japanese capacitors in the power architecture. The Cybenetics parts list also names 6 CapXon and 33 Chemi-Con polymer capacitors. CapXon is not a Japanese maker, so the claim may cover the electrolytic capacitors only.","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. Hardware Busters prints 0-50 C for continuous full load."}},{"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's launch article of April 15, 2025 lists the 1200W as now available.","launch_price_usd":"CENTURY II 1200 W: US$ 129.9. US price, no sales tax. KitGuru's launch article prints $129.99 and Hardware Busters prints an MSRP of $130 excluding VAT."}},{"url":"https://www.cybenetics.com/evaluations/psus/2808/","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. Hardware Busters names the same company.","rail_12v_design":"Power Specifications: one +12V column with 100A and 1200W.","alpm_support":"Temperature and Compliance Info: ALPM compatible, checked.","psu_w":"Manufacturer-provided information: Rated Power 1200 W.","rail_12v_current_a":"Power Specifications: +12V 100A, 1200W.","rail_12v_power_w":"Power Specifications: +12V 1200W.","minor_rails_combined_w":"Power Specifications: one merged 100W cell for 3.3V and 5V, 20A each.","rail_5vsb_current_a":"Power Specifications: 5VSB 3A, 15W.","ac_input_voltage":"Manufacturer-provided information: 100-240 Vrms, 15 A, 50-60 Hz.","cybenetics_efficiency_115v":"Report 25PS2808A, certification ID 252808, issued May 13, 2025. The database name is Montech Century II Gold 1200 ATX3. The badge is ETA Platinum at 115V, as Hardware Busters also prints. The 80 PLUS certificate says Gold.","cybenetics_efficiency_230v":"ETA Platinum at 230V (badge image, and Hardware Busters prints Platinum).","cybenetics_noise_115v":"LAMBDA Standard++ at 115V (badge image). The 115V average of 30.37 dBA is above the A- band of 25-30 dBA. Hardware Busters prints A- (25-30 dB(A)), which matches the 230V result.","cybenetics_noise_230v":"LAMBDA A- at 230V (badge image), average 29.44 dBA.","measured_avg_efficiency_115v_pct":"Average over more than 1450 load combinations at 115V. Sample received Apr 29, 2025, tested May 8, 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. At 230V it is 74.640%.","measured_avg_power_factor_115v":"Average over more than 1450 load combinations at 115V. At 230V it is 0.957.","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 29.44 dBA. The fan ran at 1030 rpm at 10% load in the typical load tests, so the semi-passive mode was not active during them. The report marks semi-passive operation as selectable.","measured_noise_full_load_115v_dba":"Typical load tests at 115V, 100% load row: 45.1 dB(A) at 1912 rpm fan speed, ambient about 30 C. At 230V it is 41.5 dB(A) at 1864 rpm.","measured_vampire_power_115v_w":"Standby power consumption at 115V with no load on +5VSB: 0.0521 W. At 230V it is 0.0959 W.","measured_hold_up_time_ms":"Hold-Up Time and PWR_OK Signal: hold-up time 24.0 ms, AC loss to PWR_OK 19.7 ms, PWR_OK inactive to DC loss 4.3 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 19.46 mV.","measured_load_regulation_12v_pct":"Non-accredited. 12V load regulation at 115V. At 230V it is 0.47%.","cables":"Cables and Connectors table: ATX 20+4 pin 595 mm 18AWG, 2 x 4+4 pin EPS12V 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 (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 no gauge is stored for it.","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).","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%201200W_1200W_SOCE%207852_Report.pdf","kind":"certification_list","accessed":"2026-10-14","fields":["efficiency_80_plus"],"notes":{"efficiency_80_plus":"80 PLUS ID 7852, model CENTURY II 1200W, type ATX 3.0, ATX 3.1, 1200 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-1200w-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: 1.53 kg (3.37 lb). The review does not say whether cables are included. Montech does not publish a weight.","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 side, besides the power switch, a smaller switch turns the fan's semi-passive operation on and off.","cable_style":"Cables page: all cables are flat and consist of black gauges. Review published May 30, 2025.","launch_price_usd":"Technical specifications: MSRP (excluding VAT) $130. The stored value is the maker's launch price from the Funkykit report."}},{"url":"https://www.maxmybuild.com/power-supplies/montech-century-ii-1200w","kind":"retailer","accessed":"2026-10-14","fields":["status","rgb_lighting"],"notes":{"status":"Listing shows $159.90 at Amazon and Newegg, both in stock, updated 14 Oct 2026. This is a current selling price, not the launch price.","rgb_lighting":"Listing specs: RGB No. The maker page and Hardware Busters describe no lighting."}}],"fields_filled":53,"updated":"2026-10-14"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}