FrostyTech Mk.II Synthetic Thermal 
            Heatsink Test Results 
             
            Intel 
            Pentium D / Extreme Edition & Quad Core class heatsinks tested 
            at 150W Intel Core 2 Duo / Pentium 4 / 
            Celeron class heatsinks tested at 85W Results based on readings from a 30x30mm copper 
            interface die with 150W and 85W heat loads applied on the LGA775 
            version of the Mk.II Test Platform. Temperature results listed for 
            each heatsink were calculated by determining the rise over ambient 
            temperatures at time of test. Information on Frostytech's test 
            methodology is available here. | 
            |  
        
          | Socket 775 compatible CPU 
            heatsinks |    | 
  
    | manufacturer: | 
    model 
      no.:  | 
    fan 
      speed:  | 
    150w thermal test* (°c) | 
    85w thermal test (°c) | 
    noise level (dba) | 
  
    
       
     | 
  
    | Tuniq | 
    Tower 120 Extreme | 
    high | 
    14.1 | 
    8.4 | 
    43.5 | 
  
    | 3Rsystem | 
    iceage 120 Boss II | 
    high | 
    15.4 | 
    9.8 | 
    49.9 | 
  
    | Titan | 
    TTC-NK85TZ | 
    high | 
    15.5 | 
    8.8 | 
    58.6 | 
  
    | Thermolab | 
    BADA | 
    high | 
    16.0 | 
    9.6 | 
    54.0 | 
  
    | Sunbeamtech | 
    Core-Contact Freezer | 
    high | 
    16.1 | 
    10.0 | 
    51.3 | 
  
    | Spire | 
    Thermax II (SP67951) | 
    high | 
    16.7 | 
    9.5 | 
    57.8 | 
  
    | Xigmatek | 
    HDT-S1283 | 
    high | 
    16.8 | 
    10.7 | 
    50.7 | 
  
    | Coolermaster | 
    Hyper 212 Plus | 
    high  | 
    16.9 | 
    10.9 | 
    50.1 | 
  
    | Kingwin | 
    XT-1264 | 
    high | 
    17.2 | 
    10.5 | 
    45.5 | 
  
    | Thermolab | 
    BARAM | 
     | 
    17.3 | 
    10.5 | 
    53.0 | 
  
    | Zalman | 
    CNPS10X Extreme | 
    high | 
    17.6 | 
    10.1 | 
    58.2 | 
  
    | CoolIT | 
    Domino ALC | 
    high | 
    17.8 | 
    10.6 | 
    60.2 | 
  
    | Thermalright | 
    Ultra 120 | 
     | 
    17.8 | 
    10.6 | 
    53.7 | 
  
    | Akasa | 
    Nero AK967 | 
    high | 
    17.9 | 
    10.8 | 
    39.3 | 
  
    | Xigmatek | 
    DK-S1283 | 
    high | 
    17.9 | 
    11.0 | 
    49.6 | 
  
    | Zerotherm | 
    Nirvana NV 120 PWM | 
    high | 
    18.0 | 
    11.0 | 
    44.9 | 
  
    | Ibuypower | 
    IBP-Z001 | 
    high | 
    18.0 | 
    11.6 | 
    61.7 | 
  
    | Coolermaster | 
    Hyper Z600 | 
     | 
    18.0 | 
    11.6 | 
    47.7 | 
  
    | DeepCool | 
    Killer Whale Premium | 
    high | 
    18.1 | 
    11.7 | 
    52.5 | 
  
    | Xigmatek | 
    HDT-S1284EE | 
    high | 
    18.1 | 
    9.4 | 
    44.2 | 
  
    | Zerotherm | 
    FZ120 | 
    high | 
    18.2 | 
    11.4 | 
    47.6 | 
  
    | 3Rsystem | 
    Iceage 120 | 
    high | 
    18.2 | 
    12.1 | 
    47.9 | 
  
    | Coolage | 
    X120TF | 
     | 
    18.3 | 
    11.0 | 
    53.0 | 
  
    | Vantec | 
    VAF-1225 Aeroflow FX 120 | 
    high | 
    18.3 | 
    11.8 | 
    54.2 | 
  
    | nPowerTek | 
    Hurricane NPH-105 (NB fan) | 
    high | 
    18.3 | 
    11.2 | 
    47.7 | 
  
    | Glacialtech | 
    F101 PWM | 
    high | 
    18.4 | 
    11.4 | 
    47.5 | 
  
    | Zerotherm | 
    Core 92 | 
    high | 
    18.4 | 
    11.5 | 
    53.4 | 
  
    | Coolermaster | 
    V8 | 
    high | 
    18.4 | 
    11.2 | 
    52.6 | 
  
    | Thermalright | 
    Ultra 120 Extreme  | 
     | 
    18.4 | 
    11.4 | 
    44.5 | 
  
    | DeepCool | 
    Killer Whale | 
    high | 
    18.7 | 
    12.6 | 
    53.5 | 
  
    | Thermaltake | 
    BigTyp 14Pro | 
    high | 
    18.8 | 
    11.6 | 
    59.7 | 
  
    | Xigmatek | 
    HDT-SD964 | 
    high | 
    18.8 | 
    11.6 | 
    57.2 | 
  
    | SilenX | 
    iXtrema IXC-120HA2 | 
    high | 
    18.9 | 
    11.2 | 
    52.9 | 
  
    | Coolermaster | 
    Hyper 212 | 
     | 
    19.0 | 
    11.8 | 
    45.9 | 
  
    | Apack | 
    Zerotherm BTF92 OC Ed | 
    high | 
    19.0 | 
    11.2 | 
    53.6 | 
  
    | Zalman | 
    CNPS9700 LED | 
    high | 
    19.0 | 
    10.4 | 
    
       56.5  | 
  
    | Xigmatek | 
    HDT-S983 | 
    high | 
    19.5 | 
    11.8 | 
    52.7 | 
  
    | Scythe | 
    Mugen | 
     | 
    19.5 | 
    11.4 | 
    46.0 | 
  
    | Xigmatek | 
    S1284 Achilles | 
    high | 
    19.6 | 
    11.6 | 
    42.7 | 
  
    | Tuniq | 
    Tower 120 | 
    high | 
    19.6 | 
    12.2 | 
    51.6 | 
  
    | Thermalright | 
    Ultra-90 | 
    high | 
    19.6 | 
    13.0 | 
    56.2 | 
  
    | DeepCool | 
    Ice Blade Pro | 
    high | 
    19.8 | 
    13.1 | 
    46.1 | 
  
    | Apack | 
    Zerotherm Nirvana 120 | 
    high | 
    19.8 | 
    12.3 | 
    49.2 | 
  
    | Enzotech | 
    Ultra-X | 
    high | 
    20.0 | 
    8.5 | 
    59.1 | 
  
    | Scythe | 
    KAMA Angle | 
    high | 
    20.1 | 
    21.0 | 
    43.3 | 
  
    | Zalman | 
    CNPS9900 LED | 
    high | 
    20.2 | 
    13.3 | 
    57.5 | 
  
    | Zalman | 
    CNPS9700NT | 
    high | 
    20.3 | 
    12.4 | 
    52.2 | 
  
    | Scythe | 
    Infinity SCINF-1000 | 
     | 
    20.3 | 
    12.6 | 
    37.8 | 
  
    | Tuniq | 
    Tower 120 Extreme | 
    low | 
    20.5 | 
    12.1 | 
    37.4 | 
  
    | Cooler Master | 
    Hyper Z600 Black Label | 
    high | 
    20.5 | 
    12.4 | 
    49.2 | 
  
    | OCZ | 
    Vendetta 2 | 
    high | 
    20.5 | 
    12.5 | 
    41.9 | 
  
    | Dynatron | 
    Genius | 
    high | 
    20.6 | 
    13.0 | 
    47.2 | 
  
    | Corsair | 
    Hydro H50 | 
    high | 
    20.7 | 
    13.7 | 
    45.6 | 
  
    | OCZ | 
    Gladiator Max | 
    high | 
    20.7 | 
    12.6 | 
    42.9 | 
  
    | EKL | 
    GroB Clock'ner | 
     | 
    20.8 | 
    13.2 | 
    40.6 | 
  
    | EKL | 
    GroB Clock'ner Blue Ed. | 
    high | 
    21.0 | 
    12.9 | 
    42.4 | 
  
    | Vantec | 
    VAF-9225 Aeroflow FX92 | 
    high | 
    21.2 | 
    14.0 | 
    57.9 | 
  
    | Noctua | 
    NH-C12P | 
    high | 
    21.2 | 
    13.1 | 
    40.4 | 
  
    | Coolermaster | 
    GeminII S | 
    high | 
    21.3 | 
    13.4 | 
    49.6 | 
  
    | OCZ | 
    Vendetta | 
    high | 
    21.3 | 
    13.5 | 
    52.8 | 
  
    | Noctua | 
    NH-U12P | 
    high | 
    
       21.3  | 
    13.4 | 
    40.7 | 
  
    | Akasa | 
    Blue Aurora AK966BL | 
    high | 
    21.6 | 
    14.0 | 
    44.4 | 
  
    | Thermaltake | 
    ISGC-300 | 
    high | 
    21.7 | 
    12.9 | 
    44.0 | 
  
    | Xigmatek | 
    Thors Hammer S126384 | 
     | 
    21.8 | 
    13.2 | 
    46.4 | 
  
    | Apack | 
    Zerotherm BTF90 | 
     | 
    21.8 | 
    12.7 | 
    52.1 | 
  
    | Xigmatek | 
    HDT-S963 | 
    high | 
    21.9 | 
    13.7 | 
    50.2 | 
  
    | AVC | 
    Black Samurai | 
    high | 
    22.2 | 
    11.5 | 
    56.7 | 
  
    | Akasa | 
    AK-965 | 
    high | 
    22.2 | 
    13.8 | 
    48.1 | 
  
    | Coolermaster | 
    Hyper N520 | 
     | 
    22.4 | 
    14.1 | 
    49.0 | 
  
    | Apack | 
    Zerotherm BTF80 | 
     | 
    22.8 | 
    13.9 | 
    51.9 | 
  
    | Thermaltake | 
    MaxOrb | 
    high | 
    22.9 | 
    13.1 | 
    57.4 | 
  
    | DeepCool | 
    IceWing 5 Pro | 
    high | 
    23.1 | 
    12.3 | 
    53.2 | 
  
    | Scythe | 
    Zipang 2 | 
     | 
    23.2 | 
    14.0 | 
    37.7 | 
  
    | Coolermaster | 
    Hyper TX3 | 
    high | 
    23.2 | 
    14.0 | 
    56.0 | 
  
    | Zalman | 
    CNPS8700 LED | 
    high | 
    23.2 | 
    14.1 | 
    48.1 | 
  
    | Cooljag | 
    Falcon 92-AL | 
    high | 
    23.2 | 
    14.2 | 
    52.1 | 
  
    | Rosewill | 
    RCX-Z3 | 
    high | 
    23.3 | 
    14.0 | 
    58.6 | 
  
    | Coolink | 
    Silentator | 
    high | 
    23.5 | 
    16.4 | 
    41.2 | 
  
    | Nexus | 
    HOC-9000 | 
    high | 
    23.6 | 
    14.6 | 
    43.0 | 
  
    | Scythe | 
    Mine Rev. B | 
     | 
    23.6 | 
    15.0 | 
    36.8 | 
  
    | Cooljag | 
    Falcon 92-Cu | 
    high | 
    23.6 | 
    14.8 | 
    52.8 | 
  
    | Thermaltake | 
    MaxOrb EX | 
    high | 
    24.0 | 
    13.9 | 
    56.5 | 
  
    | nPowertek | 
    NPH-775-115HC | 
     | 
    24.2 | 
    15.3 | 
    55.0 | 
  
    | Akasa | 
    AK-920 | 
    high | 
    24.3 | 
    14.1 | 
    52.9 | 
  
    | Thermaltake | 
    V1  | 
    high | 
    24.4 | 
    12.3 | 
    59.6 | 
  
    | Intel | 
    FCLGA4-S Reference (P mode) | 
    high | 
    24.5 | 
    15.2 | 
    61.1 | 
  
    | Scythe | 
    Zipang | 
     | 
    24.7 | 
    15.2 | 
    33.1 | 
  
    | Evercool | 
    HPK-10025EA | 
     | 
    24.8 | 
    13.8 | 
    50.9 | 
  
    | Glacialtech | 
    Igloo 5750 PWM | 
    high | 
    24.9 | 
    14.6 | 
    52.3 | 
  
    | Asus | 
    Arctic Square | 
    high | 
    24.9 | 
    14.9 | 
    44.9 | 
  
    | Sunbeamtech | 
    Core-Contact Freezer 92mm Ed. | 
    high | 
    25.3 | 
    15.6 | 
    50.2 | 
  
    | AMA | 
    Serac 770 | 
     | 
    25.4 | 
    15.7 | 
    42.1 | 
  
    | Evercool | 
    HPJ-12025 Transformer 4 | 
     | 
    25.5 | 
    15.3 | 
    38.9 | 
  
    | Akasa | 
    AK-922 (EVObue) | 
    high | 
    25.5 | 
    15.4 | 
    60.3 | 
  
    | Thermaltake | 
    SpinQ | 
    high | 
    25.7 | 
    15.6 | 
    50.9 | 
  
    | Asus | 
    Lionsquare | 
    high | 
    25.7 | 
    15.3 | 
    44.7 | 
  
    | Coolermaster | 
    Aquagate Mini R80 | 
    high | 
    25.7 | 
    16.2 | 
    59.2 | 
  
    | Asus | 
    Silent Square EVO | 
    high | 
    25.8 | 
    15.6 | 
    42.8 | 
  
    | Glacialtech | 
    Igloo 5610 PWM | 
    high | 
    25.9 | 
    15.9 | 
    59.5 | 
  
    | Thermalright | 
    SI-128SE | 
     | 
    26.5 | 
    15.2 | 
    44.5 | 
  
    | Thermaltake | 
    DuOrb | 
     | 
    26.7 | 
    16.1 | 
    49.5 | 
  
    | Scythe | 
    Andy Samuri Master SCASM-1000 | 
     | 
    26.7 | 
    14.2 | 
    38.4 | 
  
    | Dynatron | 
    Evo-11 | 
    high | 
    26.8 | 
    16.4 | 
    54.1 | 
  
    | Titan | 
    Cool Idol TTC-NK75TZ | 
    high | 
    26.9 | 
    15.1 | 
    56.3 | 
  
    | Gelid | 
    Silent Spirit | 
    high | 
    27.0 | 
    17.1 | 
    48.5 | 
  
    | Zalman | 
    CNPS9300AT | 
    high | 
    27.1 | 
    18.2 | 
    55.5 | 
  
    | Noctua | 
    NH-U9B | 
    high | 
    27.1 | 
    17.2 | 
    41.9 | 
  
    | Thermaltake | 
    ISGC-400 | 
    high | 
    27.2 | 
    16.3 | 
    45.4 | 
  
    | Asus | 
    Triton 79 Amazing | 
     | 
    27.7 | 
    17.0 | 
    44.3 | 
  
    | ASUS | 
    Triton 77 | 
    high | 
    27.7 | 
    17.6 | 
    41.2 | 
  
    | Auras | 
    SLC-747 | 
    high | 
    27.9 | 
    25.7 | 
    52.2 | 
  
    | Thermaltake | 
    ISGC-200 | 
    high | 
    28.1 | 
    16.5 | 
    48.7 | 
  
    | Auras | 
    LPT-700 | 
     | 
    28.3 | 
    16.9 | 
    52.2 | 
  
    | Thermalfly | 
    F1-IACSHA | 
    high | 
    29.0 | 
    18.3 | 
    60.4 | 
  
    | Coolage | 
    Frozen Orb 2924HDC | 
    high | 
    29.2 | 
    18.7 | 
    56.0 | 
  
    | Evercool | 
    Transformer 6 | 
    high | 
    29.2 | 
    14.6 | 
    51.6 | 
  
    | Cooljag | 
    JYC 8A03A | 
    high | 
    29.3 | 
    19.8 | 
    50.6 | 
  
    | nPowertek | 
    TTIC NPH1000 | 
     | 
    29.3 | 
    16.8 | 
    47.5 | 
  
    | 3Rsystem | 
    Iceage 90 | 
     | 
    29.4 | 
    18.0 | 
    47.2 | 
  
    | Glacialtech | 
    Igloo 5710 Silent | 
     | 
    29.4 | 
    18.0 | 
    43.4 | 
  
    | Thermalfly | 
    I75DUB | 
    high | 
    29.5 | 
    
       16.8  | 
    68.5 | 
  
    | Zalman | 
    CNPS9500 AT | 
     | 
    29.6 | 
    17.3 | 
    53.3 | 
  
    | Glacialtech | 
    Igloo 5750 Silent | 
     | 
    29.8 | 
    18.5 | 
    35.5 | 
  
    | Coolermaster | 
    Hyper TX2 | 
     | 
    29.9 | 
    18.8 | 
    53.7 | 
  
    | Alpha Novatech | 
    PRE9060M92P | 
    high | 
    29.9 | 
    18.5 | 
    51.5 | 
  
    | Scythe | 
    Kama Cross | 
     | 
    30.0 | 
    18.8 | 
    40.0 | 
  
    | Akasa | 
    AK-961 | 
     | 
    30.0 | 
    18.7 | 
    
       60.7  | 
  
    | Auras | 
    LPT-709 | 
     | 
    30.1 | 
    18.6 | 
    43.9 | 
  
    | Rosewill | 
    RCX-Z2-EX | 
    high | 
    30.1 | 
    18.7 | 
    45.9 | 
  
    | nPowertek | 
    NPH-775-1 | 
     | 
    30.1 | 
    18.8 | 
    50.1 | 
  
    | Glacialtech | 
    Igloo 5710 Plus Silent | 
     | 
    30.2 | 
    18.5 | 
    39.3 | 
  
    | Glacialtech | 
    Igloo 5610 Silent | 
     | 
    30.4 | 
    17.1 | 
    44.7 | 
  
    | Sunon | 
    Waturbo | 
     | 
    30.6 | 
    18.3 | 
    57.5 | 
  
    | Auras | 
    CTC-868 (closed) | 
     | 
    31.0 | 
    18.6 | 
    48.7 | 
  
    | Akasa | 
    Revo (horizontal) | 
    high | 
    31.0 | 
    20.3 | 
    44.5 | 
  
    | Scythe | 
    Shuriken | 
    high | 
    31.4 | 
    18.8 | 
    38.2 | 
  
    | Apack | 
    CF800 | 
    high | 
    31.4 | 
    20.7 | 
    48.4 | 
  
    | Thermaltake | 
    Jungle512 | 
    high | 
    31.6 | 
    20.4 | 
    60.8 | 
  
    | Glacialtech | 
    UFO V51 Silent | 
     | 
    32.0 | 
    18.7 | 
    42.4 | 
  
    | Coolage | 
    Frozen Orb F0-Z924AL | 
    high | 
    32.0 | 
    19.9 | 
    48.9 | 
  
    | Xigmatek | 
    AIO-S80DP | 
    high | 
    32.4 | 
    21.4 | 
    55.0 | 
  
    | Scythe | 
    Katana II | 
     | 
    32.5 | 
    18.6 | 
    37.9 | 
  
    | Rosewill | 
    RCX-Z2 | 
     | 
    
       32.6  | 
    19.3 | 
    59.9 | 
  
    | Zalman | 
    CNPS7700-Cu | 
    high | 
    32.9 | 
    19.7 | 
    50.7 | 
  
    | Apack | 
    CF900 | 
    high | 
    32.9 | 
    20.3 | 
    48.3 | 
  
    | Evercool | 
    PT02-9232CP | 
     | 
    33.3 | 
    19.9 | 
    63.3 | 
  
    | Zalman | 
    CNPS7700-Cu LED | 
    high | 
    33.5 | 
    20.6 | 
    49.8 | 
  
    | Scythe | 
    Ninja Mini | 
     | 
    33.7 | 
    19.9 | 
    41.7 | 
  
    | Thermalright | 
    MST-977SLE | 
     | 
    33.8 | 
    20.0 | 
    46.5 | 
  
    | Intel | 
    Stock Pentium D | 
    high | 
    33.8 | 
    20.7 | 
    47.5 | 
  
    | Scythe | 
    Orochi SCORC-1000 | 
     | 
    34.0 | 
    20.8 | 
    27.8 | 
  
    | Zaward | 
    Gyre ZCJ010 | 
    high | 
    34.4 | 
    21.3 | 
    52.7 | 
  
    | Scythe | 
    Big Shuriken | 
    high | 
    34.6 | 
    22.1 | 
    39.6 | 
  
    | Thermolab | 
    TLI-S Micro Silencer | 
     | 
    34.7 | 
    19.2 | 
    52.0 | 
  
    | nPowerTek | 
    SF775-2 | 
    high | 
    34.7 | 
    21.1 | 
    64.6 | 
  
    | Asus | 
    Silent Knight 2 | 
    high | 
    34.9 | 
    21.4 | 
    46.2 | 
  
    | Glacialtech | 
    Igloo 5610 Plus Silent | 
     | 
    36.1 | 
    20.9 | 
    38.0 | 
  
    | Akasa | 
    AK-960E | 
     | 
    36.1 | 
    21.4 | 
    56.3 | 
  
    | Gigabyte | 
    Volar GH-PSV21-FB | 
    high | 
    36.3 | 
    22.1 | 
    56.1 | 
  
    | Auras | 
    SMF-660 | 
     | 
    36.4 | 
    23.0 | 
    43.4 | 
  
    | Zalman | 
    CNPS7500-Cu LED  | 
    high | 
    36.4 | 
    22.9 | 
    50.9 | 
  
    | Thermalfly | 
    I75DUH | 
     | 
    37.8 | 
    22.8 | 
    48.7 | 
  
    | Akasa | 
    AK-975CU | 
    high | 
    38.4 | 
    23.0 | 
    47.7 | 
  
    | Cooljag | 
    OAK-H | 
    high | 
    38.5 | 
    22.9 | 
    55.7 | 
  
    | Cooljag | 
    OAK-H2 | 
    high | 
    38.6 | 
    24.1 | 
    55.6 | 
  
    | LS Cable | 
    SHS-T700 | 
     | 
    38.7 | 
    22.8 | 
    48.5 | 
  
    | 3Rsystem | 
    Iceage 80 Prima Mini | 
     | 
    38.8 | 
    24.5 | 
    35.4 | 
  
    | Thermaltake | 
    ISGC-100 | 
    high | 
    39.5 | 
    24.6 | 
    45.5 | 
  
    | Arctic Cooling | 
    Alpine 11 Pro | 
    high | 
    40.0 | 
    24.7 | 
    46.1 | 
  
    | nPowertek | 
    NPH-775-140HC | 
    high | 
    40.2 | 
    24.8 | 
    56.7 | 
  
    | Arctic Cooling | 
    Alpine 7 Pro | 
    high | 
    40.5 | 
    23.8 | 
    44.1 | 
  
    | Intel | 
    Stock Core 2 Duo E4400  | 
     | 
    41.5 | 
    25.2 | 
    41.6 | 
  
    | Intel | 
    Stock Core 2 Duo | 
     | 
    49.2 | 
    29.0 | 
    36.7 | 
  
    | Thermolab | 
    TLI-U Nano Silencer | 
     | 
    50.4 | 
    28.8 | 
    48.3 | 
  
    | Glacialtech | 
    Igloo 5062 Cu Light | 
     | 
    50.6 | 
    29.7 | 
    45.2 | 
  
    | Arctic Cooling | 
    Freezer 7LP | 
    high | 
    53.1 | 
    31.2 | 
    46.1 | 
  
    | Silverstone | 
    NT07-775 | 
    high | 
    55.2 | 
    32.9 | 
    36.5 | 
  
    | Glacialtech | 
    Igloo 5063 Light E | 
     | 
    56.5 | 
    32.1 | 
    51.5 | 
  
    | Glacialtech | 
    Igloo 5063 Cu Silent E | 
     | 
    57.3 | 
    34.4 | 
    41.0 | 
  
    | Glacialtech | 
    Igloo 5057 E | 
     | 
    58.5 | 
    36.1 | 
    53.4 | 
  
    | Asus | 
    Triton 75 | 
     | 
    58.6 | 
    16.1 | 
    49.6 | 
  
    | Spire | 
    Fourier IV SP607B3-C | 
     | 
    63.6 | 
    18.7 | 
    60.2 | 
  
    | Asus | 
    Triton 85 | 
    high | 
    71.5+ | 
    16.2 | 
    41.1 | 
  
    | Glacialtech | 
    Igloo 5058 Light E | 
     | 
    73.8 | 
    39.9 | 
    48.5 | 
  
     | 
     | 
     | 
    150w thermal test (°c) | 
    85w thermal test (°c) | 
    noise level (dba) | 
  
    | *heatsinks are ranked according to the 150w thermal 
      test results column (rise over ambient temp.). low temperatures with low 
      noise levels are considered best. for reference heatsinks with 
      variable-speed fans, only the high speed (12v) fan test result is included 
      in the comparison sheet; more detailed results reside in each specific 
      heatsink review. | 
intel 
processors vary in power output between single and multi-core models, so 
frostytech tests heatsinks with two thermal loads that represent the upper limit 
of each cpu family, 150w and 85w. 
With a 
150W heat load applied by the Intel LGA775 
version of FrostyTech's synthetic thermal test platform, the Tuniq Tower 120 
Extreme heatsink yields a result worthy of the Top 5 Heatsink charts indeed! The rise above ambient 
temperature result was just 14.1°C, with 43.5dBA noise. That is the lowest 
result Frostytech has seen on the Intel synthetic test platform to 
date!
Tuniq's 
Tower 120 Extreme heatsink was then tested with a 85W heat load, and in this 
test environment maintained a low 8.4°C rise over ambient temperature at stock 
fan speed.
For the 
next round of tests the 120mm fan speed was decreased to 1000RPM, causing noise 
levels to fall from 43.5 dBA to 37.4 dBA. With this slower fan speed, the 
embedded 120mm fan was able to keep temperatures on the 150W synthetic test 
platform at a steady 20.5°C over ambient. Next came the 85W test, which resulted 
in a 12.1°C rise in temperature over ambient. 

To put that another way, a decrease in fan speed from 
2000 to 1000RPM resulted in a rise in temperature on the 150W synthetic 
temperature test by 6.4°C. For the 85W test scenario, a drop in fan speed caused 
temperatures to rise by a minor amount, just 3.7°C. Evidently, Tuniq's Tower 
120 Extreme is capable of running very quiet indeed. Although it is big and 
bulky, if your computer case has the room for it, Tuniq's Tower 120 Extreme 
heatsink sure gets the job done. Recommended.
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