{"product_id":"arctic-liquid-freezer-iii-pro-420-aio-cpu-water-cooler","title":"ARCTIC Liquid Freezer III Pro 420 AIO CPU Water Cooler","description":"\u003cp\u003eThe ARCTIC Liquid Freezer III Pro 420 is an all-in-one CPU water cooler designed for high-performance cooling on modern Intel and AMD processors. It combines a PWM-controlled pump and radiator fans with a cold plate optimized for CPU hotspots, suited to builders who need reliable thermal management in demanding workloads.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHotspot-targeted cold plate\u003c\/strong\u003e — The cold plate shifts toward the CPU hotspot rather than centering over it, improving heat transfer efficiency where temperatures peak.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVRM temperature control\u003c\/strong\u003e — A dedicated PWM fan cools the voltage regulator module, lowering VRM temps and stabilizing performance during heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated fan sleeving\u003c\/strong\u003e — Fan cables run inside the sleeving to reduce cable clutter and simplify the build process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-year warranty\u003c\/strong\u003e — Covers manufacturing defects across the pump, radiator and fans for six years from purchase.\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%;\"\u003eRadiator size\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e420 mm (458 × 138 × 38 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%;\"\u003eSocket compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eIntel LGA1851, LGA1700 \/ AMD AM5, AM4\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%;\"\u003ePump speed range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e800–2800 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%;\"\u003eFan speed range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e400–2500 rpm\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%;\"\u003eTube length\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e500 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%;\"\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✓ Intel LGA1851 and LGA1700 sockets.\u003c\/li\u003e\n\u003cli\u003e✓ AMD AM5 and AM4 sockets.\u003c\/li\u003e\n\u003cli\u003eNote: Some motherboards with oversized M.2 SSD coolers in the M.2_1 slot may interfere; ARCTIC supplies a compatible M.2 cooler at no charge for affected boards.\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\u003eHigh-end gaming and workstation builds needing sustained cooling performance.\u003c\/li\u003e\n\u003cli\u003eBuilders who prioritize low noise; the 400–2500 rpm fan range allows quiet operation at partial load.\u003c\/li\u003e\n\u003cli\u003eLong-term reliability; the 6-year warranty and optimized contact pressure support CPU lifespan.\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\u003eCompact cases:\u003c\/b\u003e The 420 mm radiator is 458 mm long and 138 mm wide, requiring adequate mounting space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePassive cooling setups:\u003c\/b\u003e This is an active water loop; it requires power and regular pump operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnvironments below 0 °C:\u003c\/b\u003e Operating ambient temperature range is 0–40 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eProduct information \"Liquid Freezer III Pro 420\" Multi Compatible All-in-One CPU Water Cooler\u003c\/p\u003e\u003cp\u003ePWM-controlled fan lowers the voltage regulator temperature, ensuring stable performance. Shifts the cold plate to the CPU hotspot for more efficient heat transfer. Optimized contact pressure distribution for longer CPU lifespan and improved heat dissipation. Fan cables integrated into the sleeving simplify installation and minimize cable clutter.\u003c\/p\u003e\u003cp\u003eSome motherboards may be incompatible with the Liquid Freezer III Pro due to oversized SSD coolers in the M.2_1 slot. For affected motherboards, we provide a compatible M.2 cooler free of charge.\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%;\"\u003eCold plate material\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eCopper with micro-skived fins\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%;\"\u003eRadiator material\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eAluminium\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%;\"\u003eThermal interface material\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eMX-6 (0.8 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%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2370 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eFan\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%;\"\u003eRadiator fans included\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e3× P14 Pro\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%;\"\u003eFan speed range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e400–2500 rpm\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;\"\u003e110 cfm \/ 186 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;\"\u003e5.2 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%;\"\u003eFan bearing type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eFluid Dynamic Bearing\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%;\"\u003ePump speed range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e800–2800 rpm\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%;\"\u003eVRM fan speed range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e400–2500 rpm\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%;\"\u003ePump power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e0.35 A \/ 12 V DC\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%;\"\u003eVRM fan power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e0.05 A \/ 12 V DC\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%;\"\u003eRadiator fans power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e0.35 A \/ 12 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eAcoustics \u0026amp; power\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%;\"\u003eOperating ambient temperature\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%;\"\u003eTube outer diameter\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e12.4 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%;\"\u003eTube inner diameter\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e6.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ARCTIC","offers":[{"title":"Default Title","offer_id":55688751448440,"sku":"ARC-2533","price":111.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/Liquid_Freezer_III_Pro_Offset_Mounting_en_v01.jpg?v=1791054072","url":"https:\/\/tech-syndicate.co.uk\/products\/arctic-liquid-freezer-iii-pro-420-aio-cpu-water-cooler","provider":"Tech Syndicate","version":"1.0","type":"link"}