{"data":{"slug":"asrock-steel-legend-sl-1000g","type":"power_supply","brand":"ASRock","name":"Steel Legend SL-1000G","aliases":["SL-1000G","ASRock SL-1000G","Steel Legend 1000W","SL-1000GW"],"release_date":"2024-11","url":"https://arkivo.dev/power-supplies/asrock-steel-legend-sl-1000g","specs":{"series":"Steel Legend","model_numbers":["SL-1000G","SL-1000GW"],"gtins":null,"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":["Steel Black","Steel White"],"manufacturer_url":"https://www.asrock.com/Power-Supply/SteelLegend/SL-1000G/","spec_sheet_url":null,"manual_url":"https://download.asrock.com/Manual/QIG/Power%20Supply%20Series_multiQIG.pdf","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":"HEC","psu_w":1000,"rated_power_temp_c":null,"rail_12v_design":"single","rail_12v_current_a":83.4,"rail_12v_power_w":1000,"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_platinum","cybenetics_efficiency_115v":"cybenetics_platinum","cybenetics_efficiency_230v":"cybenetics_platinum","cybenetics_noise_115v":"a","cybenetics_noise_230v":"a","measured_avg_efficiency_115v_pct":90.065,"measured_avg_efficiency_230v_pct":92.186,"measured_light_load_efficiency_115v_pct":72.897,"measured_avg_power_factor_115v":0.98,"measured_avg_noise_115v_dba":21.99,"measured_noise_full_load_115v_dba":47,"measured_vampire_power_115v_w":0.048,"measured_hold_up_time_ms":18.9,"measured_ripple_12v_mv":40.28,"measured_load_regulation_12v_pct":0.64,"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":650,"gauge_awg":"18AWG","rated_power_w":null},{"connector":"pcie_8pin","count":5,"cable_count":3,"length_mm":600,"gauge_awg":"18AWG","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":9,"cable_count":3,"length_mm":450,"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":5,"gpu_16pin_connector_count":1,"sata_connector_count":9,"molex_connector_count":3,"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":100000,"software_monitoring":null,"software_name":null,"power_display":null,"rgb_lighting":null,"dimensions_mm":{"width_mm":150,"height_mm":86,"depth_mm":150},"weight_kg":1.748,"in_the_box":null},"variants":[{"model_number":"SL-1000G","colors":["Steel Black"]},{"model_number":"SL-1000GW","colors":["Steel White"]}],"sources":[{"url":"https://download.asrock.com/Manual/QIG/Power%20Supply%20Series_multiQIG.pdf","kind":"manual","accessed":"2026-10-15","fields":["manual_url","fan_mode","fan_mode_switch"],"notes":{"manual_url":"ASRock's Quick Installation Guide for its power supply series. It is shared by all ASRock power supply series and names no model values.","fan_mode":"Installation step 8: if the iCOOL mode is set to ON, the fan will not spin during low to medium loads.","fan_mode_switch":"Installation step 8 describes the iCOOL mode as a setting that can be ON, so the fan can be made to spin at low load. The switch itself is on the back of the unit, as the ASCII review shows."}},{"url":"https://www.asrock.com/Power-Supply/SteelLegend/SL-1000G/","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url"],"notes":{"manufacturer_url":"ASRock's product page answers agents with a bot check, so its text was not read. The link is the page that search results name for the SL-1000G. The specs below come from a retailer copy of ASRock's spec table, ASRock's box and cable images hosted by a retailer, a review, the Cybenetics report and the 80 PLUS list."}},{"url":"https://inside-tech.co.uk/power-supplies-2/asrock-steel-legend-sl-1000g-1000w-atx-power-supply-unit-80-plus-gold-certified-120mm-silent-cooling-fan-high-efficiency-psu/","kind":"retailer","accessed":"2026-10-15","fields":["series","colors","status","warranty_years","psu_atx_version","ac_input_voltage","cable_style","fan_size_mm","fan_bearing","fan_mode_switch","protections","all_japanese_capacitors","mtbf_h","dimensions_mm","psu_standard"],"notes":{"series":"The listing copies ASRock's Steel Legend text and spec table.","colors":"ASRock's text on the page: available in Steel Black and Steel White. The listing is the black unit.","status":"UK retailer listing shows the unit in stock in October 2026.","warranty_years":"Spec table row Warranty (Years): 10. Text: ASRock offers a 10-year warranty. The market is not named. Multitronic prints 3 years, which is not the maker's term.","psu_atx_version":"Spec table row ATX 12V Version: ATX 3.1.","ac_input_voltage":"Spec table row AC Input: 100-240V, 50-60Hz, 15-7.5A.","cable_style":"Spec table row Cable Type: Flat.","fan_size_mm":"Spec table row Fan: 135mm Striped Axial FDB Fan.","fan_bearing":"Spec table row Fan: 135mm Striped Axial FDB Fan. The description says 135mm Fluid Dynamic Bearing Fan.","fan_mode_switch":"Spec table row iCOOL MODE: Yes (Switch). iCOOL Mode OFF: the fan runs continuously.","protections":"Spec table row Protections: OCP, SCP, OVP, UVP, OTP, OPP. NLO and SIP come from the Cybenetics protection tests.","all_japanese_capacitors":"Spec table row Capacitors: All Japanese.","mtbf_h":"Spec table row MTBF (Hours)@25C: 100,000. The 25 C test temperature is the maker's.","dimensions_mm":"Spec table row Dimensions (L x W x H): 150mm x 150mm x 86mm. Depth 150, width 150, height 86.","psu_standard":"The 150 x 150 x 86 mm body is an ATX unit with the 150 x 86 mm back face."}},{"url":"https://www.multitronic.fi/en/products/4417376/asrock-steel-legend-sl-1000g-1000w--virtalahde--80-plus-gold","kind":"retailer","accessed":"2026-10-15","fields":["pcie_cem_version","psu_atx_version","cables","all_japanese_capacitors","warranty_years","status","psu_modular"],"notes":{"pcie_cem_version":"The product gallery image SL-1000G-4 shows ASRock's retail box with the badges ATX 3.1 COMPATIBLE and PCIe 5.1 READY. The description says full compliance with ATX 3.1 and PCIe 5.1.","psu_atx_version":"Box image badge ATX 3.1 COMPATIBLE. Spec table ATX version 3.1.","cables":"The gallery image SL-1000G-1 is ASRock's Cables Included slide: 1x MB 24 pin 600 mm, 2x CPU 4+4 pin 650 mm, 1x PCIe 12V-2x6 650 mm, 3x PCIe 6+2 pin 600 mm, 3x SATA 450 mm then 120 mm then 120 mm, 1x PATA 450 mm then 120 mm then 120 mm. The slide counts cables. Cybenetics and the ASCII review show that two of the three PCIe cables carry two plugs each, so the unit has 5 PCIe 8-pin plugs on 3 cables. SATA is 9 plugs on 3 cables and Molex is 3 plugs on 1 cable. The ASRock spec table on Inside Tech prints 2 for 12+4 pin, which Cybenetics, BuildCores, Geeknetic and ASCII do not show. One cable is stored.","all_japanese_capacitors":"Box image: 100% Japanese Capacitors badge. The description says the PSU is built with 100% Japanese capacitors.","warranty_years":"Box image badge: 10 year warranty. The listing's own Warranty row says 3 years, which is not the maker's term.","status":"Listing shows 3 pieces at a remote stock and an estimated delivery in October 2026.","psu_modular":"Spec table Cabling type: Fully-Modular."}},{"url":"https://weekly.ascii.jp/elem/000/004/243/4243655/","kind":"review_site","accessed":"2026-10-15","fields":["release_date","model_numbers","weight_kg","fan_mode","fan_mode_switch","cable_style","cables","dimensions_mm","variants"],"notes":{"release_date":"Weekly ASCII review of the white SL-1000GW, dated December 30, 2024, sponsored by ASRock. It calls the unit newly released.","model_numbers":"The review is of the SL-1000GW, the white model.","weight_kg":"Reviewer's measured weight of the white SL-1000GW body: about 1748 g, given next to the 150 x 150 x 86 mm size. The cables are described separately. The black SL-1000G has the same hardware.","fan_mode":"The iCool Intelligent Fan Control Mode stops the fan at idle. ASRock says the fan stops below 40% load. With the mode off the fan keeps about 12% speed at idle.","fan_mode_switch":"The mode is switched with a rocker switch on the back of the unit.","cable_style":"The modular cables are the flat type.","cables":"Cables in the box: 1 ATX 20+4 pin, 2 EPS 4+4 pin, 1 12V-2x6 rated to 600 W, 3 PCIe 6+2 pin, 3 SATA cables with 9 SATA plugs and 1 peripheral cable with 3 plugs. The reviewer measured about 600 mm for the ATX cable, 650 mm for the EPS and 12V-2x6 cables and 600 mm for the PCIe cables.","dimensions_mm":"Measured by the reviewer at 150 x 150 x 86 mm (W x D x H).","variants":"The SL-1000GW is the all-white model, with white cables and a white AC cord."}},{"url":"https://www.kitguru.net/components/power-supplies/zardon/asrock-steel-legend-sl-850g-psu-review/","kind":"review_site","accessed":"2026-10-15","fields":["release_date"],"notes":{"release_date":"KitGuru's SL-850G review, published November 27, 2024, says ASRock is releasing four Steel Legend units from 650W to 1000W together. Cybenetics tested the SL-1000G on Aug 20, 2024 and the 80 PLUS test date is Oct 8, 2024. The first dated review of the SL-1000G itself is the ASCII review on December 30, 2024, so the month of the family's first reviews is stored."}},{"url":"https://www.cybenetics.com/evaluations/psus/2542/","kind":"measurement","accessed":"2026-10-15","fields":["psu_w","psu_standard","psu_modular","oem_manufacturer","rail_12v_design","rail_12v_current_a","rail_12v_power_w","minor_rails_combined_w","rail_5vsb_current_a","ac_input_voltage","alpm_support","fan_size_mm","fan_bearing","fan_mode","fan_mode_switch","cables","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","model_numbers"],"notes":{"model_numbers":"The report names the model SL-1000G / SL-1000GW and says the results apply to both the black and white models.","psu_w":"DUT Information: Rated Power 1000 W. The Power Specifications table gives a total maximum power of 1000 W.","psu_standard":"DUT Information: Type ATX12V.","psu_modular":"DUT Information: Cable Design Fully Modular.","oem_manufacturer":"DUT Information and Parts Description: OEM/ODM HEC.","rail_12v_design":"Power Specifications table lists one +12V column, 83.4A.","rail_12v_current_a":"Power Specifications table: +12V 83.4 A. The Inside Tech copy of ASRock's spec table prints Continuous 12V output 100 A, which would be 1200 W and does not fit a 1000 W unit, so 83.4 A is stored.","rail_12v_power_w":"Power Specifications table: +12V 1000 W, total maximum power 1000 W.","minor_rails_combined_w":"Power Specifications table: one merged cell of 120 W under +3.3V and +5V, so it is one shared limit. Each rail is 20 A.","rail_5vsb_current_a":"Power Specifications table: +5VSB 3 A, 15 W.","ac_input_voltage":"DUT Information: Rated Voltage 100-240 Vrms, manufacturer-provided.","alpm_support":"Temperature and Compliance Info: ALPM (Alternative Low Power Mode) compatible, checked. ATX v3.1 PSU Power Excursion is also checked. The ATX 3.1 badge on the report reads Outside Validation Scope.","fan_size_mm":"Parts Description: RLAZ S1352512EH-3M, 135 mm, 12V, 0.50A.","fan_bearing":"Parts Description: Fluid Dynamic Bearing Fan.","fan_mode":"DUT Information: Semi-Passive Operation checked (selectable). In the typical load tests the fan reads 0 rpm up to 40% load at 115V.","fan_mode_switch":"DUT Information: Semi-Passive Operation (selectable).","cables":"Cables and Connectors table: ATX 600 mm 18AWG, EPS 4+4 640 mm 18AWG (2 cables), 6+2 PCIe 590 mm plus 140 mm on two cables with two plugs each plus one single 590 mm cable (5 plugs, all 18AWG), 12+4 pin PCIe 645 mm (600W) 16-24AWG, SATA 450 mm then 120 mm then 120 mm on 3 cables (9 plugs), 4-pin Molex 440 mm then 110 mm then 110 mm on 1 cable (3 plugs). The stored lengths are the maker's lengths from ASRock's Cables Included slide. The 16-24AWG range of the 12V-2x6 cable includes the thin sideband wires, so the 16AWG power wire gauge is stored. The sample is the same for the black and white models.","protections":"Protection Features (Manufacturer) lists OPP, OCP (+12V), OTP, SCP, surge protection and inrush current protection. Fan failure protection is not ticked. The protection tests tick NLO and show SIP: surge MOV, inrush NTC and bypass relay.","cybenetics_efficiency_115v":"Report 24PS2542A, certification ID 252542, tested Aug 20, 2024 and issued Aug 24, 2024. ETA Platinum at 115V (badge image). ASRock's retailer copy says Cybenetics Platinum. Some Newegg listings print Titanium, which the report does not show.","cybenetics_efficiency_230v":"ETA Platinum at 230V (badge image).","cybenetics_noise_115v":"LAMBDA A at 115V (badge image). The measured average of 21.99 dBA fits A. ASRock's series text prints A+/A, so the report level is stored.","cybenetics_noise_230v":"LAMBDA A at 230V (badge image). The measured average at 230V is 22.25 dBA.","measured_avg_efficiency_115v_pct":"Average over more than 1450 load combinations at 115V. Ambient 28-32 C. Sample received Aug 9, 2024.","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. At 230V it is 74.319%.","measured_avg_power_factor_115v":"Average over more than 1450 load combinations at 115V. At 230V it is 0.937.","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 22.25 dBA.","measured_noise_full_load_115v_dba":"Typical load tests at 115V, 100% load row: 47 dB(A) at 2005 rpm fan speed, intake 45.79 C and exhaust 60.19 C. The fan was in its default semi-passive mode.","measured_vampire_power_115v_w":"Standby power consumption at 115V with no load on +5VSB. At 230V it is 0.1155 W.","measured_hold_up_time_ms":"Hold-Up Time and PWR_OK Signal: hold-up time 18.9 ms, AC loss to PWR_OK 16.5 ms, at maximum continuous load. Report 2542.","measured_ripple_12v_mv":"Non-accredited. 12V ripple at full load at 115V. At 230V it is 37.08 mV.","measured_load_regulation_12v_pct":"Non-accredited. 12V load regulation at 115V. At 230V it is 0.65%."}},{"url":"https://www.clearesult.com/80plus/sites/80plus/files/manufacturer-certificate/ASROCK_SL-1000G_1000W_SOCE%207598_Report_0.pdf","kind":"certification_list","accessed":"2026-10-15","fields":["efficiency_80_plus"],"notes":{"efficiency_80_plus":"80 PLUS list entry ID 7598, model SL-1000G, 1000W, 80 PLUS Platinum, tested 10/8/2024 at 115V nominal and 60 Hz (typical efficiency at 50% load 92.60%). ASRock's box and spec sheet claim 80 PLUS Gold, so the listing level is stored. The SL-1000GW has its own Platinum entry, ID 7598.1."}}],"fields_filled":51,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}