Test and methodology
A Ryzen 5 3600 has to be cooled at factory settings, in addition 16GB Crucial Ballistix Sport (2x8GB) DDR4 memory on a MSI B550 Tomahawk (BIOS 7C91vA3). The Asus ROG Strix GTX 1060 6GB is running in zero-fan mode for the CPU stress tests only for the image output, and a BitFenix Whisper M 450W serves as the power source, all housed in the Thermaltake Core P3 as an open benchtable.
All records are logged with HWInfo64 v6.30-4240 – 2000ms logging, the specified temperature is derived from the sensor CPU Die (Average). The load of Prime95 produces an average of 88 watts of CPU package power. Since I don’t have air conditioning, the values in the graphs are the delta between room temperature and CPU temperature. This allows all cooling systems to be compared fairly, even if the ambient temperature is different. The thermal paste supplied with the cooler or pre-applied is used in each case.
The sound level is determined with a Voltcraft SL-200 meter at a distance of 40cm, operating in 125ms cycles in Lo mode. The room was measured at 33.1 dBA, an external sample table helps with the breakdown.
Benchmarks
In the initial runs, the 612 Stealth is tested as shipped from the factory with two fans in push/pull. Step by step, the speed of both fans (1 = front, 2 = rear) is increased simultaneously:
|
2 fans |
30% PWM |
60% PWM |
100% PWM |
|
Fan speed 1 |
797 RPM |
1250 RPM |
1805 RPM |
|
Fan speed 2 |
793 RPM |
1268 RPM |
1877 RPM |
|
Sound level / characteristic |
33.6 d |
36.2 d |
44.9 dB |
|
Ambient temperature |
22,0 – 22,1°C |
22,2 – 22,0°C |
21,7 – 22,0°C |
And the second run then with only one fan, again the speed is increased step by step via the PWM signal:
|
1 fan |
30% PWM |
60% PWM |
100% PWM |
|
Fan speed 1 |
804 RPM |
1260 RPM |
1790 RPM |
|
Noise characteristics |
very low hum |
light hiss |
Noise |
|
Ambient temperature |
22,2 – 22,8°C |
23,1 – 23,1°C |
23,0 – 22,8°C |
And here is the total overview with the average temperatures and the comparison to other coolers:
Summary and conclusion
What Cooler Master has served up here is quite respectable. Good cooling performance is combined with an attractive design, good workmanship and a proud 5-year warranty. Although this processor class can’t win a clear victory against the competition, the intended target group is also rather CPUs with a higher TDP.
With the asymmetrical die design of the middle Ryzen class, the cooler also copes well thanks to a good coldplate and plenty of heatpipes. The only remaining point of criticism is the rather high RRP of 79.99 euros or 89.99 euros for the version with two ARGB fans. Already on launch day, the first retailers were already below the suggested price, where this will settle after some time remains to be seen.
If you’re looking for a sleek and quiet air cooler for your system and have some patience, you might get a good alternative to the well-known top dogs here.
The test samples are purchased by ourselves or provided by the manufacturers without obligation. There is no influence on the tests and results. An expense allowance is only paid in exceptional cases, but is shown and also has no influence on the test results.
Cooler Master MasterAir MA612 Stealth (MAP-T6PS-218PK-R1)
 | Ab Lager lieferbar - Lieferzeit 2-4 Werktage | 43,77 €*Stand: 26.04.24 08:22 |
 | Versandlager: ca. 2-3 Werktagen versandbereit, Lieferzeit 3-4 WerktageLinz, Salzburg, Wels: 2-3 WerktageZentrale Timelkam: ca. 2 WerktageDornbirn, Graz Nord, Graz Süd, Innsbruck, Klagenfurt, St. Pölten, Villach, Wien 15, Wien 20, Wr. Neustadt, Wörgl: 1 WocheStand: 26.04.24 09:56 | 44,00 €*Stand: 26.04.24 10:01 |
 | Verfügbar - 5-7 Werktage Lieferzeit | 45,10 €*Stand: 26.04.24 02:28 |
Cooler Master MasterAir MA612 Stealth ARGB (MAP-T6PS-218PA-R1)
| nullprozentshop.de | siehe Shop | 75,99 €*Stand: 26.04.24 09:42 |
 | Onlineshop: lagernd, Lieferung 2-3 WerktageFiliale Hannover/Laatzen: lagernd (keine Online-Reservierung möglich)Filiale Berlin, Filiale Dortmund, Filiale Düsseldorf, Filiale Hamburg, Filiale München, Filiale Stuttgart: nicht lagerndStand: 26.04.24 09:49 | 75,99 €*Stand: 26.04.24 09:50 |
| Verfügbar - 3-5 Werktage Lieferzeit | 83,01 €*Stand: 26.04.24 02:28 |
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