Swiftech H240-X CPU Liquid Cooling Kit

Cooling
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TEST RESULTS

Test Results: Swiftech H240-X
PWM Setting
Pump/Fan Speed
SPL @1m
Thermal Rise
100%
2910/1780 RPM
39 dBA
29°C
70%
2600/1530 RPM
34~35 dBA
30°C
40%
1980/1250 RPM
28~29 dBA
31°C
30%
1790/1110 RPM
25 dBA
31°C
20%
1520/1020 RPM
23 dBA
32°C
10%
1320/970 RPM
22 dBA
33°C
0%
1180/860 RPM
21 dBA
35°C
0%
(fans on DC control)
1180/790 RPM
20 dBA
36°C
1180/600 RPM
18 dBA
39°C
Measuring mic positioned 1m at diagonal angle from the center of CPU.
Ambient noise level: 10~11 dBA.

The H240-X is an excellent cooling solution, producing a thermal rise of less than 40°C throughout its full range. At top speed the H240-X generates a rise of less than 30°C, a feat previously accomplished by only two coolers, the NZXT Kraken X61 and X41. However, there's little differentiation in temperature at higher pump/fan speeds with only a spread of 4°C between the 10% and 100% PWM setting.

Test Results: Swiftech H240-X vs. NZXT Kraken X61
Swiftech H240-X
NZXT Kraken X61
Thermal Rise
34~35 dBA
30°C
29°C
36~37 dBA
25 dBA
31°C
31°C
25 dBA
21 dBA
35°C
33°C
21 dBA
20 dBA
36°C
35°C
19 dBA
18 dBA
39°C
37°C
17 dBA
Measuring mic positioned 1m at diagonal angle from the center of the heatsink.
Ambient noise level: 10~11 dBA.

Compared to the NZXT X61, an AIO cooler with a similar radiator size, the results are quite close, but the X61 does pull ahead slightly at lower noise levels.

COMPARISON TABLES

°C Rise Comparison: CPU Coolers with Dual Fans
22
21
20
19
18
17
16
15
14
13
12
11
NZXT Kraken X61
 
33
34
35
 
37
           
Prolimatech Genesis*
(reference fans)
35
   
36
   
37
   
39
   
Thermalright Silver Arrow
   
35
       
38
40
 
Noctua NH-C14
 
36
   
37
   
39
 
41
 
Thermalright HR-22*
(reference fans)
37
   
38
 
39
       
Swiftech H240-X
33
35
36
  39              
Noctua NH-D15
 
38
   
39
   
40
   
Thermalright HR-02 Macho*
(reference fans)
36
     
37
   
40
       
Phanteks PH-TC14PE
 
38
   
39
   
41
     
Cryorig R1 Ultimate
 
37
   
41
 
42
     
Scythe Mugen 4*
(reference fans)
39
     
40
     
42
   
NZXT Havik 140
   
39
   
41
         
Cryorig R1 Universal
   
39
   
41
           
Phanteks PH-TC12DX
 
41
       
44
         
Cooler Master Seidon 240M
     
40
 
43
   
53
     
SilverStone Tundra TD03
   
40
                 
SilverStone Heligon HE02*
(reference fans)
     
44
     
46
       
Enermax Liqtech 120X
 
44
 
45
               
Zalman CNPS9900DF
   
48
   
50
   
53
     
22
21
20
19
18
17
16
15
14
13
12
11
Air-cooled heatsinks in dark green, liquid coolers in dark blue
*Models lacking dual stock fans tested with dual reference Noctua NF-P14 fans.

As silence is an important factor in my final judgment, our overall comparison charts only take into account noise levels of 22 [email protected] and lower. Against competing dual fan coolers, even though the H240-X trails the X61 by only 2°C, it lands five rungs down. It's still an elite cooler and a much better performer than most of the AIO units we've tested in the past, but it trails some of the larger air-cooled heatsinks.

°C Rise Comparison: CPU Coolers with Single/Dual Stock Fan(s)
22
21
20
19
18
17
16
15
14
13
12
11
NZXT Kraken X61
 
33
34
35
 
37
           
Prolimatech Genesis*
(reference fans)
35
   
36
   
37
   
39
   
Thermalright Silver Arrow
   
35
       
38
40
 
Noctua NH-C14
 
36
   
37
   
39
 
41
 
Scythe Kotetsu
35
         
38
 
41
 
42
 
Thermalright HR-22*
(reference fans)
37
   
38
 
39
       
Swiftech H240-X
33
35
36
  39              
Noctua NH-D15
 
38
   
39
   
40
   
Thermalright Archon SB-E
   
39
         
40
   
43
Phanteks PH-TC14PE
 
38
   
39
   
41
     
Thermalright HR-02 Macho
38
   
39
     
40
41
 
43
 
Scythe Mugen 4
           
40
   
42
 
45
Noctua NH-U14S
     
38
 
40
   
43
   
NZXT Kraken X41
   
38
                 
NZXT Havik 140
   
39
   
41
         
be quiet! Shadow Rock Slim
     
40
   
41
 
42
   
Cryorig R1 Ultimate
 
37
   
41
 
42
     
Scythe Yasya
       
40
       
43
   
Cogage TRUE Spirit 1366
         
41
 
43
 
46
 
Cryorig R1 Universal
   
39
   
41
           
Zalman CNPS10X Quiet
   
40
       
42
 
47
 
Scythe Grand Kama Cross
 
40
     
41
   
44
 
49
Scythe Ashura
     
42
     
44
     
Cooler Master Hyper 212 Plus
       
41
       
44
54
 
Phanteks PH-TC12DX
 
41
       
44
         
Silverstone Argon AR03
41
     
43
         
48
Scythe Ninja 3
       
44
       
46
   
SilverStone Argon AR01
42
     
44
         
50
Titan Fenrir
 
43
   
45
 
47
     
Cooler Master Seidon 240M
     
40
 
43
   
53
     
SilverStone Tundra TD03
   
40
                 
SilverStone Heligon HE02*
(reference fans)
     
44
     
46
       
Antec Kühler H20 620
42
   
44
     
47
     
LEPA LV12
         
45
48
52
 
Zalman CNPS9900 MAX
   
45
     
47
 
49
     
NZXT Kraken X31
 
43
 
44
 
47
         
Enermax Liqtech 120X
 
44
 
45
               
GELID Tranquillo Rev.2
     
48
 
49
   
50
     
be quiet! Dark Rock 2
     
48
     
52
 
55
61
 
Zalman CNPS9900DF
   
48
   
50
   
53
     
GELID GX-7 Rev.2
49
       
51
     
56
   
Core i7-980X Stock Cooler
             
53
   
62
 
Enermax ETS-T40
   
49
         
55
 
64
Core i7-920 Stock Cooler
64
FAIL
22
21
20
19
18
17
16
15
14
13
12
11
Single/Dual fan air-cooled heatsinks in light/dark green.
Single/dual fan liquid coolers in light/dark blue.
*Fanless models tested with dual reference Noctua NF-P14 fans.

Adding single fan models into the mix illustrates how little difference there is between the behemoths and some of the smaller, more efficient solutions like the Scythe Kotetsu.



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