[{"data":1,"prerenderedAt":112},["ShallowReactive",2],{"connector:12v-2x6:en":3},{"connector":4,"prose":95,"confirmations":111},{"schemaVersion":5,"governance":6,"meta":19,"pins":49},"1.0.0",{"publication":7,"verification":10,"provenance":15},{"status":8,"publishedDate":9},"published","2026-10-24",{"status":11,"verifiedDate":9,"verifiedBy":12,"checklist":13},"verified","Claude (documentary review against Intel ATX12VO Design Guide 613768 rev 2.11 §5.2.2.4.3, Table 5-10 and Figure 5-7, and Intel ATX 3.0 Design Guide Table 3-6; owner GO 2026-10-24; no bench claim)",{"schema":14,"technicalFacts":14,"relationships":14,"sources":14},true,{"sourceUrls":16},[17,18],"https:\u002F\u002Fcdrdv2-public.intel.com\u002F613768\u002F613768_2.11.pdf","https:\u002F\u002Fedc.intel.com\u002Fcontent\u002Fwww\u002Fus\u002Fen\u002Fdesign\u002Fipla\u002Fsoftware-development-platforms\u002Fclient\u002Fplatforms\u002Falder-lake-desktop\u002Fatx-version-3-0-multi-rail-desktop-platform-power-supply-design-guide\u002F2.1\u002Fsense0-amp-sense1-required\u002F",{"slug":20,"name":21,"title":22,"standard":23,"positionCount":24,"layout":25,"category":26,"source":27,"specs":35,"overview":41},"12v-2x6","12V-2x6 (12VHPWR) 16-Pin Graphics Power Connector","12V-2x6 \u002F 12VHPWR 16-Pin 600 W Graphics Card Power Connector Pinout","PCI-SIG PCIe CEM 5.1 \u002F Intel ATX 3.1",16,"dual-row","power",[28,33],{"label":29,"url":17,"authority":30,"documentType":31,"publisher":32},"Intel ATX12VO (12V Only) Desktop Power Supply Design Guide, doc 613768 rev 2.11 (May 2024): §5.2.2.4.3, Table 5-10 (12V-2x6 pin assignment) and Figure 5-7 (PCB header front view)","primary","standard","Intel Corporation",{"label":34,"url":18,"authority":30,"documentType":31,"publisher":32},"Intel ATX Version 3.0 Multi-Rail Desktop Platform Power Supply Design Guide (doc 336521 rev 2.1), Table 3-6: 12V-2x6 SENSE0\u002FSENSE1 power limits",{"standard":36,"positions":24,"noteKeys":37},"12 power contacts on 3.0 mm pitch + 4 sideband contacts",[38,39,40],"pages.12v-2x6.overview.notes.view","pages.12v-2x6.overview.notes.rating","pages.12v-2x6.overview.notes.revision",{"summaryKey":42,"useCaseKeys":43,"beforeYouWireKeys":46},"connectors.hpwr12v2x6.summary",[44,45],"pages.12v-2x6.overview.useCases.gpu","pages.12v-2x6.overview.useCases.psu",[47,48],"pages.12v-2x6.overview.before.seat","pages.12v-2x6.overview.before.zeroWatt",[50,54,56,58,60,62,64,69,71,73,75,77,79,84,88,92],{"n":51,"category":26,"signal":52,"role":53,"standardized":14},1,"+12V","+12 VDC power contact (one of six; 9.2 A per contact, 16 AWG wire)",{"n":55,"category":26,"signal":52,"role":53,"standardized":14},2,{"n":57,"category":26,"signal":52,"role":53,"standardized":14},3,{"n":59,"category":26,"signal":52,"role":53,"standardized":14},4,{"n":61,"category":26,"signal":52,"role":53,"standardized":14},5,{"n":63,"category":26,"signal":52,"role":53,"standardized":14},6,{"n":65,"category":66,"signal":67,"role":68,"standardized":14},7,"gnd","GND","Ground return (one of six, 16 AWG wire)",{"n":70,"category":66,"signal":67,"role":68,"standardized":14},8,{"n":72,"category":66,"signal":67,"role":68,"standardized":14},9,{"n":74,"category":66,"signal":67,"role":68,"standardized":14},10,{"n":76,"category":66,"signal":67,"role":68,"standardized":14},11,{"n":78,"category":66,"signal":67,"role":68,"standardized":14},12,{"n":80,"category":81,"signal":82,"role":83,"standardized":14},13,"control","CARD_PWR_STABLE","Sideband S1: optional power-good signal from the graphics card; it pulls the line low when its own power rails are out of limits",{"n":85,"category":81,"signal":86,"role":87,"standardized":14},14,"CARD_CBL_PRES#","Sideband S2: lets the power supply see that the connector is correctly attached to a graphics card, which terminates this line",{"n":89,"category":81,"signal":90,"role":91,"standardized":14},15,"SENSE0","Sideband S3: power-limit strap; with SENSE1 it tells the card how much it may draw (0, 150, 300, 450 or 600 W)",{"n":24,"category":81,"signal":93,"role":94,"standardized":14},"SENSE1","Sideband S4: power-limit strap; both SENSE pins open means 0 W, both grounded means up to 600 W",{"title":96,"description":97,"card":98,"intro":99,"overview":100},"12V-2x6 (12VHPWR) 16-Pin GPU Power Connector Pinout","12V-2x6 \u002F 12VHPWR pinout: six +12 V and six ground contacts rated 9.2 A each, plus the SENSE0, SENSE1 and presence sideband pins of 600 W GPU power.","16-pin PCIe 5 graphics card power connector, up to 600 W.","The 12V-2x6 connector feeds up to 600 W of 12 V power to a graphics card through twelve power contacts, while four small sideband pins tell the card how much it may draw. Select a contact to see its role.",{"notes":101,"useCases":105,"before":108},{"rating":102,"revision":103,"view":104},"Each power contact is rated 9.2 A at a 30 °C temperature rise. At 600 W each of the six +12 V contacts carries about 8.3 A, so the margin is small.","12V-2x6 (ATX 3.1, PCIe CEM 5.1) replaced 12VHPWR: in the card's header the power pins are longer and the sideband pins shorter, marked H++ instead of H+. Existing cable plugs still fit.","The contact map shows the header on the graphics card, front view, as in Intel Figure 5-7: the latch is above the ground row. The cable plug uses the same pin numbers.",{"gpu":106,"psu":107},"High-power graphics cards, up to 600 W from one connector","ATX 3.x power supplies, often as a double-ended modular cable",{"seat":109,"zeroWatt":110},"Push the plug fully in until the latch engages (Intel specifies at least 45 N retention). The shorter sideband pins connect only once the power pins are fully mated.","If both SENSE pins are open, for example a plug that is not fully seated, a 12V-2x6 card must draw 0 W through the connector.",null,1793836410685]