{
  "category": {
    "slug": "cpu-coolers",
    "name": "CPU Coolers",
    "description": "PC CPU air/AIO liquid coolers."
  },
  "url": "https://stierproducts.com/categories/cpu-coolers",
  "markdown": "https://stierproducts.com/categories/cpu-coolers.md",
  "updated": "2026-08-17T14:55:45.236Z",
  "productsRanked": 17,
  "summary": "On the stierproducts cpu coolers board, Arctic Liquid Freezer III Pro 360 ranks #1 in S tier, ahead of Noctua NH-D15 G2 (#2, A tier) and Thermalright Phantom Spirit 120 SE (#3, A tier). The board ranks 17 cpu coolers from S (best) to F (avoid), last researched 17 Aug 2026, drawing on 412 outlet citations across the board. Placed in the bottom tiers as ones to avoid: MSI MAG CoreLiquid A13 360, be quiet! Pure Rock Pro 3, DeepCool Assassin IV, and 3 others.",
  "method": {
    "summary": "Each category is researched in four independent runs, one per lens (expert consensus, value, reliability, community pulse). Every run ranks a board of candidates that deliberately includes products buyers cross-shop but should avoid. Placements score on a ranked ladder (LP), and tiers are derived from LP, so no tier is ever assigned by hand.",
    "url": "https://stierproducts.com/methodology"
  },
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "terms": "https://stierproducts.com/license",
    "covers": [
      "text",
      "rankings",
      "tiers",
      "lp",
      "verdicts",
      "pros",
      "cons"
    ],
    "excludes": [
      "images"
    ],
    "imageRights": "Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence."
  },
  "tierMeanings": {
    "S": "Exceptional. Finishes top run after run; capped at 3 slots per category.",
    "A": "Excellent. Strongly recommended, beaten only by the very best.",
    "B": "Good. A solid choice with real caveats worth knowing.",
    "C": "Fair. Acceptable in the right situation, outclassed at its price.",
    "D": "Weak. Hard to recommend when better options cost similar money.",
    "F": "Avoid. The evidence points you elsewhere."
  },
  "products": [
    {
      "rank": 1,
      "tier": "S",
      "lp": 965,
      "name": "Arctic Liquid Freezer III Pro 360",
      "brand": "Arctic",
      "slug": "arctic-liquid-freezer-iii-pro-360",
      "url": "https://stierproducts.com/products/arctic-liquid-freezer-iii-pro-360",
      "verdict": "The best AIO to actually own: top thermals, 6-year warranty, and Arctic's support reputation. Ranked below the air coolers only because every AIO carries pump and permeation wear.",
      "pros": [
        "PC Gamer's pick for best liquid CPU cooler",
        "Top-class thermals, in the top tier of the 360mm AIO group test",
        "6-year warranty with a strong track record of honoring it",
        "Rare AIO where the ownership proposition matches the review scores"
      ],
      "cons": [
        "Still an AIO: gradual coolant permeation and pump wear cap its lifespan versus air coolers"
      ],
      "citations": 50,
      "distinctOutlets": 33,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/arctic-liquid-freezer-iii-pro-360.webp"
    },
    {
      "rank": 2,
      "tier": "A",
      "lp": 775,
      "name": "Noctua NH-D15 G2",
      "brand": "Noctua",
      "slug": "noctua-nh-d15-g2",
      "url": "https://stierproducts.com/products/noctua-nh-d15-g2",
      "verdict": "Best air cooler ever tested, no pump to fail, 6-year warranty, free socket upgrades for future platforms. The most ownership-proof product in the category.",
      "pros": [
        "Named the best air CPU cooler by PC Gamer in both its general and air-specific guides",
        "Passive heatsink with no pump to wear out",
        "6-year warranty and the best long-term support reputation in the industry",
        "Proven policy of free mounting kits for new sockets"
      ],
      "citations": 113,
      "distinctOutlets": 75,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/noctua-nh-d15-g2.webp"
    },
    {
      "rank": 3,
      "tier": "A",
      "lp": 726,
      "name": "Thermalright Phantom Spirit 120 SE",
      "brand": "Thermalright",
      "slug": "thermalright-phantom-spirit-120-se",
      "url": "https://stierproducts.com/products/thermalright-phantom-spirit-120-se",
      "verdict": "The Peerless Assassin formula, slightly refined; loses a spot to its sibling purely on having a shorter track record.",
      "pros": [
        "Slightly better thermal performance than the Peerless Assassin at the same budget price",
        "Dual-tower air cooling with no software and no pump",
        "Trivial replacement cost",
        "Thermalright lineup value found exceptional across the board in stack testing"
      ],
      "cons": [
        "Shorter long-term field record than its sibling"
      ],
      "citations": 18,
      "distinctOutlets": 11,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/thermalright-phantom-spirit-120-se.webp"
    },
    {
      "rank": 4,
      "tier": "B",
      "lp": 636,
      "name": "Lian Li Galahad II Trinity Performance 360",
      "brand": "Lian Li",
      "slug": "lian-li-galahad-ii-trinity-performance-360",
      "url": "https://stierproducts.com/products/lian-li-galahad-ii-trinity-performance-360",
      "verdict": "Superb performance with a 5-year warranty, docked for pump-top display and software dependencies the Nautilus avoids.",
      "pros": [
        "One of the strongest-performing 360mm AIOs tested anywhere",
        "5-year warranty backing the pump"
      ],
      "cons": [
        "Pump-top display adds cost and failure surface",
        "L-Connect software adds dependency the Freezer III Pro largely avoids"
      ],
      "citations": 18,
      "distinctOutlets": 14,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/lian-li-galahad-ii-trinity-performance-360.webp"
    },
    {
      "rank": 5,
      "tier": "B",
      "lp": 579,
      "name": "Thermalright Grand Vision 360",
      "brand": "Thermalright",
      "slug": "thermalright-grand-vision-360",
      "url": "https://stierproducts.com/products/thermalright-grand-vision-360",
      "verdict": "Ranked #6: strong thermals plus an LCD display at a price that humiliates the premium screen-coolers.",
      "pros": [
        "Strong thermal performance from a 360mm AIO",
        "Includes an LCD pump display at a price where competitors charge double for the same feature set",
        "Matches LCD-equipped premium AIOs for far less money"
      ],
      "citations": 39,
      "distinctOutlets": 27,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/thermalright-grand-vision-360.webp"
    },
    {
      "rank": 6,
      "tier": "B",
      "lp": 551,
      "name": "Thermalright Peerless Assassin 120 SE",
      "brand": "Thermalright",
      "slug": "thermalright-peerless-assassin-120-se",
      "url": "https://stierproducts.com/products/thermalright-peerless-assassin-120-se",
      "verdict": "Near-flagship air performance at budget money per Tom's Hardware; at this price, even an out-of-warranty failure costs almost nothing to fix.",
      "pros": [
        "One of the best-performing air coolers Tom's Hardware has tested",
        "Whisper-silent operation",
        "Costs very little",
        "PCGamesN's best CPU cooler overall for balancing cooling, noise, and price",
        "Nothing mechanical to wear out but a fan, and replacement is painless"
      ],
      "citations": 22,
      "distinctOutlets": 18,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/thermalright-peerless-assassin-120-se.webp"
    },
    {
      "rank": 7,
      "tier": "C",
      "lp": 493,
      "name": "ID-COOLING FX360 PRO",
      "brand": "ID-COOLING",
      "slug": "id-cooling-fx360-pro",
      "url": "https://stierproducts.com/products/id-cooling-fx360-pro",
      "verdict": "Ranked #4: GamersNexus' budget AIO king; 360mm liquid cooling at air-cooler money.",
      "pros": [
        "Named a Best Budget CPU Cooler in GamersNexus' 2025 roundup of 26 tested coolers",
        "A 360mm AIO at budget money",
        "Embarrasses the big-brand liquid coolers on price",
        "Matches the Corsair Nautilus 360 RS for roughly half the money"
      ],
      "citations": 2,
      "distinctOutlets": 2,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/id-cooling-fx360-pro.webp"
    },
    {
      "rank": 8,
      "tier": "C",
      "lp": 442,
      "name": "Arctic Freezer 36",
      "brand": "Arctic",
      "slug": "arctic-freezer-36",
      "url": "https://stierproducts.com/products/arctic-freezer-36",
      "verdict": "The budget air pick with a flagship warranty; for most mid-range builds it makes more expensive coolers irrational.",
      "pros": [
        "Compact, quiet, and cheap",
        "Backed by the same 6-year warranty as Arctic's flagship AIO",
        "Simplicity is its durability",
        "Removes every argument for a more complicated cooler on mid-range CPUs"
      ],
      "cons": [
        "Suited to mid-range CPUs rather than flagship chips"
      ],
      "citations": 48,
      "distinctOutlets": 29,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/arctic-freezer-36.webp"
    },
    {
      "rank": 9,
      "tier": "C",
      "lp": 433,
      "name": "be quiet! Dark Rock Pro 5",
      "brand": "be quiet!",
      "slug": "be-quiet-dark-rock-pro-5",
      "url": "https://stierproducts.com/products/be-quiet-dark-rock-pro-5",
      "verdict": "Noctua-grade build and the quietest premium air experience, held back by a shorter 3-year warranty and a higher price.",
      "pros": [
        "Premium dual-tower air cooling with build quality that rivals Noctua",
        "Class-leading acoustics",
        "Essentially no wear-out mechanism beyond its fans",
        "A set-and-forget decade-long component"
      ],
      "cons": [
        "3-year warranty versus Noctua's 6",
        "Higher price than rivals"
      ],
      "citations": 13,
      "distinctOutlets": 13,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/be-quiet-dark-rock-pro-5.webp"
    },
    {
      "rank": 10,
      "tier": "C",
      "lp": 399,
      "name": "Noctua NH-D15 (original, chromax.black)",
      "brand": "Noctua",
      "slug": "noctua-nh-d15-original-chromax-black",
      "url": "https://stierproducts.com/products/noctua-nh-d15-original-chromax-black",
      "verdict": "Nearly the same ownership story as the G2 with a decade of field-proven reliability behind it; ranked second only because the G2 cools better for new buyers.",
      "pros": [
        "Longest verified field record of any product here, a decade on sale",
        "Same 6-year warranty and free socket-upgrade policy as the G2",
        "Still among the best air coolers ever tested",
        "Remains a mainstream recommendation the market still buys new"
      ],
      "cons": [
        "Cools worse than the newer G2 for new buyers"
      ],
      "citations": 43,
      "distinctOutlets": 35,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 2,
        "ofRuns": 6
      },
      "image": "https://stierproducts.com/images/products/noctua-nh-d15-original-chromax-black.webp"
    },
    {
      "rank": 11,
      "tier": "C",
      "lp": 386,
      "name": "Corsair Nautilus 360 RS",
      "brand": "Corsair",
      "slug": "corsair-nautilus-360-rs",
      "url": "https://stierproducts.com/products/corsair-nautilus-360-rs",
      "verdict": "A no-software, no-RGB 360mm AIO that a group test called among the best AIOs tested; simplicity is its longevity story.",
      "pros": [
        "Group test found it among the best all-in-one liquid coolers tested",
        "No RGB controller and no software requirement",
        "Strong pump and radiator",
        "Fewer electronics and no software dependency means fewer failure points"
      ],
      "cons": [
        "Still an AIO, so pump and permeation wear apply"
      ],
      "citations": 24,
      "distinctOutlets": 18,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 1,
        "ofRuns": 8
      },
      "image": "https://stierproducts.com/images/products/corsair-nautilus-360-rs.webp"
    },
    {
      "rank": 12,
      "tier": "D",
      "lp": 268,
      "name": "MSI MAG CoreLiquid A13 360",
      "brand": "MSI",
      "slug": "msi-mag-coreliquid-a13-360",
      "url": "https://stierproducts.com/products/msi-mag-coreliquid-a13-360",
      "verdict": "The weakest case for ownership: adequate-at-best performance, unremarkable pump and fans, and the thinnest cooler-specific support story here; buy an ID-COOLING FX360 PRO or a Thermalright air tower instead.",
      "citations": 20,
      "distinctOutlets": 17,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/msi-mag-coreliquid-a13-360.webp"
    },
    {
      "rank": 13,
      "tier": "D",
      "lp": 259,
      "name": "be quiet! Pure Rock Pro 3",
      "brand": "be quiet!",
      "slug": "be-quiet-pure-rock-pro-3",
      "url": "https://stierproducts.com/products/be-quiet-pure-rock-pro-3",
      "verdict": "A competent, durable mid-range air cooler with nothing to fail but a fan; unremarkable in the best way.",
      "pros": [
        "Dual-tower cooling competent enough for hot mainstream CPUs",
        "be quiet! build quality",
        "Nothing to fail but a fan"
      ],
      "citations": 12,
      "distinctOutlets": 7,
      "thinlySourced": false,
      "image": "https://stierproducts.com/images/products/be-quiet-pure-rock-pro-3.webp"
    },
    {
      "rank": 14,
      "tier": "D",
      "lp": 243,
      "name": "DeepCool Assassin IV",
      "brand": "DeepCool",
      "slug": "deepcool-assassin-iv",
      "url": "https://stierproducts.com/products/deepcool-assassin-iv",
      "verdict": "The best hardware on this list that you should not buy: post-sanctions, US warranty and support are effectively void, and an unserviceable product finishes last. Buy the NH-D15 G2 or Dark Rock Pro 5.",
      "pros": [
        "As hardware, one of the best air coolers ever made"
      ],
      "cons": [
        "DeepCool was hit with US sanctions in 2024 and effectively withdrew from the US market",
        "Warranty claims, RMAs, and spare-part support in the largest market are functionally dead",
        "A cooler you cannot get serviced is a liability no matter how good the heatsink is"
      ],
      "citations": 39,
      "distinctOutlets": 27,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 1,
        "ofRuns": 6
      },
      "image": "https://stierproducts.com/images/products/deepcool-assassin-iv.webp"
    },
    {
      "rank": 15,
      "tier": "F",
      "lp": 96,
      "name": "Corsair iCUE Link Titan 360 RX LCD",
      "brand": "Corsair",
      "slug": "corsair-icue-link-titan-360-rx-lcd",
      "url": "https://stierproducts.com/products/corsair-icue-link-titan-360-rx-lcd",
      "verdict": "Great thermals buried under proprietary connectors, an expensive LCD pump-top, and the iCUE software burden; the Nautilus 360 RS is the same brand's better answer.",
      "pros": [
        "Excellent raw thermal performance"
      ],
      "cons": [
        "iCUE Link ecosystem locks fans, pump, and lighting into a proprietary connector chain",
        "LCD pump-top adds cost and failure surface",
        "iCUE remains one of the most resource-hungry, complaint-generating utilities in PC hardware",
        "A poor ownership proposition despite the thermals"
      ],
      "citations": 10,
      "distinctOutlets": 10,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 3,
        "ofRuns": 9
      },
      "image": "https://stierproducts.com/images/products/corsair-icue-link-titan-360-rx-lcd.webp"
    },
    {
      "rank": 16,
      "tier": "F",
      "lp": 86,
      "name": "Cooler Master Hyper 212 Black Edition",
      "brand": "Cooler Master",
      "slug": "cooler-master-hyper-212-black",
      "url": "https://stierproducts.com/products/cooler-master-hyper-212-black",
      "verdict": "Still a functional, reliable air cooler, so it beats the troubled AIOs below on pure durability, but the Peerless Assassin 120 SE has made it pointless at its price. Buy the Thermalright.",
      "pros": [
        "Still a functional, reliable air cooler",
        "Nothing mechanically wrong with it"
      ],
      "cons": [
        "Decisively beaten on cooling and noise by the Thermalright Peerless Assassin 120 SE for roughly the same money",
        "Coasting on a decade-old reputation",
        "Simply outclassed at its own price point"
      ],
      "citations": 43,
      "distinctOutlets": 37,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 2,
        "ofRuns": 5
      },
      "image": "https://stierproducts.com/images/products/cooler-master-hyper-212-black.webp"
    },
    {
      "rank": 17,
      "tier": "F",
      "lp": 60,
      "name": "NZXT Kraken Elite 360",
      "brand": "NZXT",
      "slug": "nzxt-kraken-elite-360-rgb",
      "url": "https://stierproducts.com/products/nzxt-kraken-elite-360-rgb",
      "verdict": "Mediocre value wrapped around an LCD and chained to CAM software; the Arctic Liquid Freezer III Pro 360 out-cools it for less with a longer warranty.",
      "pros": [
        "LCD pump-top is the flashiest marketing hook in the category",
        "Thermal performance on par with cheaper rivals"
      ],
      "cons": [
        "Large price premium for the LCD pump-top",
        "Performance merely matches cheaper rivals",
        "Full dependence on NZXT's CAM software, with a years-long reputation for bloat, bugs, and account nagging",
        "Shorter warranty than the Arctic Liquid Freezer III Pro 360"
      ],
      "citations": 56,
      "distinctOutlets": 39,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 3,
        "ofRuns": 9
      },
      "image": "https://stierproducts.com/images/products/nzxt-kraken-elite-360-rgb.webp"
    }
  ]
}