{"product_id":"arctic-p12-pro-reverse-120mm-pwm-fan-black","title":"ARCTIC P12 Pro Reverse 120mm PWM Fan Black - 500-3000 RPM, FDB","description":"\u003cp\u003eThe ARCTIC P12 Pro Reverse is a 120 mm PWM fan with its blades running the other way — part ACFAN00331A, supplied as a single fan with a cable splitter. It covers 500 to 3000 rpm with a true 0 rpm mode below 5% PWM, moves 73 CFM at 4.5 mmH₂O, and runs on a fluid dynamic bearing with a six-year warranty.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse blades — the finished face points outward\u003c\/strong\u003e — On a standard fan the tidy side is the intake side, which ends up hidden. These run the other way, so the finished face shows through the window while the fan draws its air from behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500–3000 rpm with 0 rpm mode\u003c\/strong\u003e — A wide PWM range, and ARCTIC stops the blades completely below 5% PWM — genuinely silent at idle rather than just quiet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e73 CFM at 4.5 mmH₂O\u003c\/strong\u003e — Serious static pressure for a 120 mm fan, which is what makes the P series work on radiators, mesh panels and dust filters rather than only in open air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePST daisy-chaining built in\u003c\/strong\u003e — A second 4-pin socket carries the PWM signal through to the next fan, so a row of them runs from a single motherboard header on one shared curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid dynamic bearing, six-year warranty\u003c\/strong\u003e — An FDB rather than a sleeve bearing, with ARCTIC covering it for six years.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eAt a Glance\u003c\/h5\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eACFAN00331A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePack quantity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1 fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120 × 120 × 27 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eSpeed\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e500–3000 rpm, PWM, 0 rpm below 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eAirflow\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e73 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eStatic pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e4.5 mmH₂O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e6 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Standard 120 × 120 × 27 mm frame, fitting any 120 mm case, radiator or cooler mount.\u003c\/li\u003e\n\u003cli\u003e✓ 4-pin PWM fan plug plus a 4-pin socket for PST daisy-chaining, with a 400 mm cable and an 80 mm daisy-chain lead. Pins are GND, +12 V DC, tachometer and PWM.\u003c\/li\u003e\n\u003cli\u003e✓ 12 V DC with a 3.5 V start-up voltage and 0.4 A draw.\u003c\/li\u003e\n\u003cli\u003e✓ One fan and four mounting screws are supplied.\u003c\/li\u003e\n\u003cli\u003eNote: This is the plain P12 Pro Reverse. ARCTIC sells a P12 Pro Reverse A-RGB as a separate part if you want lighting — this one has none.\u003c\/li\u003e\n\u003cli\u003eNote: ARCTIC publishes no noise rating for this model.\u003c\/li\u003e\n\u003cli\u003eNote: Rated for an ambient operating range of 0–40 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eBest For \/ Trade-offs\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGlass-panel builds where a rear or top fan would otherwise show its motor hub to the window.\u003c\/li\u003e\n\u003cli\u003eRadiators, mesh panels and dust filters, on 4.5 mmH₂O of static pressure.\u003c\/li\u003e\n\u003cli\u003eMachines that should be inaudible at idle and still have 3000 rpm in reserve.\u003c\/li\u003e\n\u003cli\u003eBuilding up a row of fans on one header, through PST daisy-chaining.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTrade-offs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRGB builds\u003c\/b\u003e — this fan has no lighting. ARCTIC's P12 Pro Reverse A-RGB is the model with LEDs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConventional airflow layouts\u003c\/b\u003e — these are reverse-blade fans. For a normal front-intake position, the standard P12 Pro is the right fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuyers who need a quoted noise level\u003c\/b\u003e — ARCTIC publishes no dB(A) or Sone figure for this model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFilling a case in one purchase\u003c\/b\u003e — this is a single fan. ARCTIC sells a three-pack under a separate part number.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eThe ARCTIC P12 Pro Reverse is a 120 mm PWM fan built the other way round — part ACFAN00331A.\u003c\/p\u003e\u003cp\u003eOn an ordinary fan the attractive, finished face is the intake side. Mount one at the rear or top of a case and what shows through the glass is the bare motor hub and its support struts. A reverse-blade fan flips that: the finished face points into the case while the fan still draws air from behind it, so the build looks right without fighting the airflow direction.\u003c\/p\u003e\u003cp\u003eIt runs on PWM from \u003cstrong\u003e500 to 3000 rpm\u003c\/strong\u003e, and ARCTIC stops the blades entirely below 5% PWM — an idle machine is silent, not just quiet. Airflow is 73 CFM at 4.5 mmH₂O, which is a strong pressure figure for 120 mm and is what lets the P series work on radiators and behind dust filters rather than only in open air.\u003c\/p\u003e\u003cp\u003eA second 4-pin socket carries the PWM signal through to the next fan, so several run from one header on a shared curve. The bearing is fluid dynamic, and ARCTIC covers it for six years. One fan and four mounting screws are supplied.\u003c\/p\u003e\u003cp\u003eTwo things worth being plain about: this model has \u003cstrong\u003eno lighting\u003c\/strong\u003e — ARCTIC's P12 Pro Reverse A-RGB is the one with LEDs — and ARCTIC publishes no noise rating for it, so we are not going to quote one.\u003c\/p\u003e\u003ch5\u003eSpecifications\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eARCTIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eP12 Pro Reverse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eACFAN00331A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eEAN\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e4895265000690\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e840033403368\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePack quantity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1 fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBlade direction\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eReverse (5 blades)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan speed\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e500–3000 rpm, PWM controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003e0 rpm mode\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eYes — stops below 5% PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eAirflow\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e73 CFM \/ 124 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eStatic pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e4.5 mmH₂O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBearing\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eFluid dynamic bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eNoise\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNot published by ARCTIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eElectrical \u0026amp; Connection\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eConnector\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e4-pin PWM plug and 4-pin socket (PST daisy-chain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePin assignment\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eGND, +12 V DC, tachometer, PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e12 V DC (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eStart-up voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e3.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCurrent\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e0.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCable length\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e400 mm, plus 80 mm daisy-chain lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePhysical\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan dimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120 × 120 × 27 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eNet weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e167 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePackaging\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e127 × 125 × 32 mm, 201 g gross\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eIn the box\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1 fan, 4 mounting screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eOperating ambient\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e0–40 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e6 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ARCTIC","offers":[{"title":"Default Title","offer_id":55689815916920,"sku":"ARC-3530","price":12.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/P12_Pro_Reverse_black_g00.png?v=1792873329","url":"https:\/\/tech-syndicate.co.uk\/products\/arctic-p12-pro-reverse-120mm-pwm-fan-black","provider":"Tech Syndicate","version":"1.0","type":"link"}