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Akasa Nero AK-967 Heatsink Review
Akasa Nero AK-967 Heatsink Review
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Abstract: Akasa's Nero AK-967 heatsink is based on the popular heatpipe direct touch technique, and like so many CPU coolers, for today's class of heatspreader capped processors it's the only way to go!

 Manufacturer  Category  Published  Author 
Akasa   Cooling / Heatsinks   Jan 08, 2009   Max Page  

Home > Reviews > Page: Acoustic Sample and Heatsink Sound Levels

Sound Level Measurements: Which Heatsink is Quietest?

Listening to the actual noise a heatsink makes allows you to hear what pure numbers alone cannot get across. To further emphasize FrostyTech's reliance on cold hard facts when evaluating a heatsink, we also take noise level measurements with a sound level meter.

FrostyTech Heatsink Noise Level Measurements
Noise level Decibel measurements of each heatsinks' fan in operation are taken with the aid of a sound level meter and sound isolating enclosure. The values may be higher than the mfgr's listed specs, but are directly comparable to one another. Measurements are made on the dB (A) scale, lower values are best. Information on Frostytech's test methodology is available here.
manufacturer: model no.: fan* speed: noise level (dba): cpu** platform

Scythe Orochi SCORC-1000 27.8 dB Intel/AMD
Akasa Nero AK967 low 31.4 dB Intel/AMD
Scythe Zipang 33.1 dB Intel/AMD
Glacialtech Igloo 5750 Silent 35.5 dB Intel/AMD
Verax Helado 36.3 dB Intel/AMD
Glacialtech Igloo 7311 Silent 36.5 dB AMD
Intel Stock Core 2 Duo 36.7 dB Intel
Scythe Mine Rev.B 36.8 dB Intel/AMD
Glacialtech Igloo 7222 Light 37.7 dB AMD
Scythe Infinity SCINF-1000 37.8 dB Intel/AMD
Scythe Katana II 37.9 dB Intel/AMD
Scythe Shuriken high 38.2 dB Intel/AMD
Scythe Andy Samuri Master SCASM-1000 38.4 dB Intel/AMD
Akasa Nero AK967 high 39.3 dB Intel/AMD
Scythe Kama Cross 40.0 dB Intel/AMD
Noctua NH-C12P high 40.4 dB Intel/AMD
EKL GroB Clock'ner 40.6 dB Intel/AMD
Noctua NH-U12P high 40.7 dB Intel/AMD
Glacialtech Igloo 7321 Silent E 41.0 dB AMD
Glacialtech Igloo 5063 Cu Silent E 41.0 dB Intel
Glacialtech Igloo 7312 Silent E 41.1 dB AMD
Asus Triton 85 high 41.1 dB Intel/AMD
Asus Triton 77 high

41.2 dB

Intel/AMD
Coolink Silentator high 41.2 dB Intel/AMD
Intel Stock Core 2 Duo E4400 41.6 dB Intel
Scythe Ninja Mini 41.7 dB Intel/AMD
OCZ Vendetta 2 high 41.9 dB Intel/AMD
Noctua NH-U9B high 41.9 dB Intel/AMD
Gigabyte NeonCooler 8-BL 42.0 dB AMD
AMA Serac 770 42.1 dB Intel/AMD
Glacialtech Igloo 7223 Light E 42.3 dB AMD
EKL GroB Clock'ner Blue Ed. high 42.4 dB Intel/AMD
Arctic Cooling Freezer 64 LP 42.6 dB AMD
Xigmatek S1284 Achilles high 42.7 dB Intel/AMD
Asus Silent Square EVO high 42.8 dB Intel/AMD
OCZ Gladiator Max high 42.9 dB Intel/AMD
Nexus HOC-9000 high 43.0 dB Intel/AMD
Auras SMF-660 43.4 dB Intel
Glacialtech Igloo 5710 Silent 43.4 dB Intel/AMD
Coolermaster Hyper48 43.6 dB Intel/AMD
Auras LPT-709 43.9 dB Intel/AMD
Arctic Cooling Alpine64 43.9 dB AMD
Arctic Cooling Alpine 7 Pro high 44.1 dB Intel
Xigmatek HDT-S1284EE high 44.2 dB Intel/AMD
Asus Triton 79 Amazing 44.3 dB Intel/AMD
Thermalright Ultra 120 Extreme 44.5 dB Intel/AMD
Akasa Revo (horizontal) high 44.5 dB Intel/AMD
Thermalright SI-128SE 44.5 dB Intel/AMD
Dynatron A22 44.5 dB AMD
Asus Lionsquare high 44.7 dB Intel/AMD
Glacialtech Igloo 5610 Silent 44.7 dB Intel
Asus Arctic Square high 44.9 dB Intel/AMD
Zalman CNPS7000B-CU high 44.9 dB Intel/AMD
Zalman CNPS7000A-Cu high 45.2 dB AMD
Zalman CNPS7000-Cu high 45.2 dB AMD
Akasa AK-860SF 45.2 dB AMD
Glacialtech Igloo 5062 Cu Light 45.2 dB Intel
Noctua NH-U12 45.4 dB Intel/AMD
Ajigo MF043-044 45.4 dB AMD
Spire SP741B3 45.6 dB AMD
Coolermaster Hyper 212 45.9 dB Intel/AMD
Scythe Shogun high 45.9 dB Intel/AMD
Rosewill RCX-Z2-EX high 45.9 dB Intel/AMD
Scythe Mugen 46.0 dB Intel/AMD
Arctic Cooling Freezer 7LP high 46.1 dB Intel
Asus Silent Knight 2 high 46.2 dB Intel/AMD
Thermalright MST-977SLE 46.5 dB Intel
Intel Stock Pentium D high 47.5 dB Intel
Zerotherm FZ120 high 47.6 dB Intel/AMD
Coolermaster Hyper Z600 47.7 dB Intel/AMD
Akasa AK-975CU high 47.7 dB Intel
nPowertek TTIC NPH-1000 47.5 dB Intel/AMD
Scythe Kama SCKK1000 47.5 dB AMD
3Rsystem Iceage 120 high 47.9 dB Intel/AMD
Zalman CNPS8700 LED high 48.1 dB Intel/AMD
Akasa AK-965 high 48.1 dB Intel
Akasa AK-876 high 48.2 dB AMD
Thermolab TLI-U Nano Silencer 48.0 dB Intel
Apack CF900 high 48.3 dB Intel
Apack CF800 high 48.4 dB Intel
Gelid Silent Spirit high 48.5 dB Intel/AMD
Glacialtech Igloo 5058 Light E 48.5 dB Intel
LS Cable SHS-T700 48.5 dB Intel
Auras CTC-868 (closed) 48.7 dB Intel/AMD
Thermalfly I75DUH 48.7 dB Intel
Coolage Frozen Orb F0-Z924AL high 48.9 dB Intel
Spire SP601B3 48.9 dB Intel/AMD
Cooler Master Hyper Z600 Black Label high 49.2 dB Intel/AMD
Apack Zerotherm Nirvana 120 49.2 dB Intel/AMD
Thermaltake DuOrb 49.5 dB Intel/AMD
Xigmatek DK-S1283 high 49.6 dB Intel/AMD
Coolermaster GeminII S high 49.6 dB Intel/AMD
Asus Triton 75 49.6 dB Intel/AMD
Thermaltake Silentboost K8 49.7 dB AMD
Zalman CNPS7700-Cu LED high 49.8 dB Intel/AMD
Thermolab BARAM (core contact fan) high 50.1 dB Intel/AMD
nPowertek NPH-775-1 50.1 dB Intel
Xigmatek HDT-S963 high 50.2 dB Intel/AMD
Evercool Buffalo HPEA-10025 50.2 dB AMD
Zalman CNPS9500 LED high 50.3 dB Intel/AMD
Xigmatek HDT-S1283 high 50.7 dB Intel/AMD
Gigabyte 3D-Rocket 50.7 dB Intel/AMD
Zalman CNPS7700-Cu high 50.7 dB Intel/AMD
Zalman CNPS7500-Cu LED high 50.9 dB Intel/AMD
Arctic Cooling Freezer 64 Pro 50.9 dB AMD
Sunbeamtech Core-Contact Freezer high 51.3 dB Intel/AMD
Glacialtech Igloo 5063 Light E 51.5 dB Intel
Evercool K802-715 51.5 dB AMD
Alpha Novatech PRE9060M92P high 51.5 dB Intel
Evercool Transformer 6 high 51.6 dB Intel/AMD
Tuniq Tower 120 high 51.6 dB Intel/AMD
OCZ Tempest 51.6 dB Intel/AMD
Scythe Samurai SCSM1000 high 51.6 dB AMD
Apack Zerotherm BTF80 51.9 dB Intel/AMD
Thermolab TLI-S Micro Silencer 52.0 dB Intel
Apack Zerotherm BTF90 52.1 dB Intel/AMD
Cooljag Falcon 92-AL high 52.1 dB Intel/AMD
Auras LPT-700 52.2 dB Intel
Auras SLC-747 high 52.2 dB Intel/AMD
Zalman CNPS9700NT high 52.2 dB Intel/AMD
nPowertek NPH K8-1 52.2 dB AMD
Glacialtech Igloo 5750 PWM high 52.3 dB Intel/AMD
Coolermaster V8 high 52.6 dB Intel/AMD
Xigmatek HDT-S983 high 52.7 dB Intel/AMD
OCZ Vendetta high 52.8 dB Intel/AMD
Cooljag Falcon 92-Cu high 52.8 dB Intel/AMD
SilenX iXtrema IXC-120HA2 high 52.9 dB Intel/AMD
Thermolab BARAM 53.0 dB Intel/AMD
Zalman CNPS9500 AM2 high 53.2 dB AMD
Zalman CNPS9500 AT 53.3 dB Intel
Glacialtech Igloo 5057 E 53.4 dB Intel
Jetart JAX801 53.5 dB AMD
Apack Zerotherm BTF92 OC Ed high 53.6 dB Intel/AMD
Coolermaster Hyper TX2 53.7 dB Intel/AMD
Thermalright Ultra 120 53.7 dB Intel/AMD
nPowerTek NPH-Big K8 54.0 dB AMD
Rosewill RCX-Z1 high 54.1 dB AMD
Vantec VAF-1225 Aeroflow FX 120 high 54.2 dB Intel/AMD
Coolermaster Hyper6 high 54.7 dB AMD
Xigmatek AIO-S80DP high 55.0 dB Intel/AMD
Verax Quattro 1 high 55.4 dB Intel/AMD
Zalman CNPS9300AT high 55.5 dB Intel/AMD
Arctic Cooling Silencer 64 Ultra TC high 55.5 dB AMD
Evercool Magic Cooler 55.5 dB AMD
Cooljag OAK-H2 high 55.6 dB Intel
Cooljag OAK-H high 55.7 dB Intel
Gigabyte Volar GH-PSV21-FB high 56.1 dB Intel/AMD
Thermalright Ultra-90 high 56.2 dB Intel/AMD
Titan Cool Idol TTC-NK75TZ high 56.3 dB Intel/AMD
Akasa AK-960E 56.3 dB Intel
Dynatron SK-V24 56.4 dB AMD
Thermaltake MaxOrb EX high 56.5 dB Intel/AMD
Zalman CNPS9700 LED high 56.5 dB Intel/AMD
Zalman FS-C77 56.5 dB Intel/AMD
nPowertek NPH-775-140HC high 56.7 dB Intel/AMD
Gigabyte 3D Rocket-Pro high 56.7 dB Intel/AMD
Vantec Mach1 high 56.9 dB AMD
Xigmatek HDT-SD964 high 57.2 dB Intel/AMD
Thermaltake MaxOrb high 57.4 dB Intel/AMD
Zalman CNPS8000 high 57.4 dB Intel/AMD
EKL V8 high 57.5 dB Intel/AMD
Sunon Waturbo 57.5 dB Intel
Antazone AS-C1000 57.6 dB Intel/AMD
Spire Thermax II (SP67951) high 57.8 dB Intel/AMD
Vantec VAF-9225 Aeroflow FX92 high 57.9 dB Intel/AMD
Noctua NH-U9 58.4 dB Intel/AMD
Rosewill RCX-Z3 high 58.6 dB Intel/AMD
Thermalright SLK-948U 58.8 dB AMD
Alpha PAL-8150 58.9 dB AMD
Enzotech Ultra-X high 59.2 dB Intel/AMD
Akasa AK-920 high 59.2 dB Intel/AMD
Akasa AK-873 high 59.2 dB AMD
Coolermaster Aquagate Mini R80 high 59.2 dB Intel/AMD
Glacialtech Igloo 5610 PWM high 59.5 dB Intel
Thermaltake V1 high 59.6 dB Intel/AMD
AVC Z7U3301001 high 59.9 dB AMD
Rosewill RCX-Z2 59.9 dB Intel
Spire Fourier IV SP607B3-C 60.2 dB Intel/AMD
Akasa AK-922 (EVObue) high 60.3 dB Intel/AMD
Ajigo MF064-074 high 60.3 dB AMD
Thermalfly F1-IACSHA high 60.4 dB Intel/AMD
Cooljag SFO-Q high 60.6 dB AMD
Cooljag SFO-H high 60.6 dB AMD
Akasa AK-961 60.7 dB Intel
Thermaltake Jungle512 high 60.8 dB Intel
Intel FCLGA4-S Reference (P mode) high 61.1 dB Intel
Ibuypower IBP-Z001 high 61.7 dB Intel/AMD
Gigabyte 3D Cooler-Pro high 62.5 dB Intel/AMD
Gigabyte 3D Cooler-Ultra high 63.0 dB Intel/AMD
AVC Z7U7414001 (stock AM2) high 63.0 dB AMD
Titan TTC-K8ATB/825/SC 63.1 dB AMD
Evercool PT02-9232CP 63.3 dB Intel
CoolJag SFO-D(18SC) 64.0 dB AMD
nPowertek SF 775-2 high 64.6 dB Intel
Gigabyte GH-PCU23-VE high 65.6 dB Intel/AMD
ASUS Starice high 67.4 dB Intel/AMD
Thermaltake Polo 735 high 68.0 dB AMD
Thermaltake Venus 12 high 68.1 dB AMD
Thermalfly I75DUB high 68.5 db Intel
Gigabyte G-Power Pro high 71.9 dB Intel/AMD
noise level (dba)

*unless noted, for reference heatsinks with variable-speed fans only the 'high speed' (12V) fan noise measurement is included in the comparison sheet; more detailed results for the low fan speed (~5V) tests reside in each specific heatsink review. ** 'AMD' denotes compatibility with socket 754/939/940 & AM2 processors where applicable. 'Intel' denotes compatibility with socket 775 platform.

The 120mm PWM fan on the Akasa Nero AK-967 heatsink spins at 1500RPM by default, and this creates a low 39.3 dBA noise. On any recent Intel/AMD motherboard, the BIOS will automatically scale down fan speed depending on the current thermal requirements. At its reduced fan speed of 500RPM, the Nero AK-967 produces as little as 31.4 dBA - essentially whisper quiet.

Next up are Frostytech's 150+ heatsink comparison of AMD thermal test results, then a 100+ Intel coolers...

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Akasa Nero AK-967 Heatsink Review
 2:  360° View - Akasa Nero AK-967 Heatsink
 3: — Acoustic Sample and Heatsink Sound Levels
 4:  AMD K8 Heatsink Temperature Comparisons
 5:  Intel LGA775 Heatsink Temperature Comparisons

List all Akasa heat sinks that Frostytech tested?

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