Noctua NH-U14S Slim 140mm Tower Cooler

Cooling
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TEST RESULTS

Test Results: Noctua NH-U14S
Fan Voltage
Single Fan
Dual Fan
SPL@1m
Thermal Rise
SPL@1m
12V
30 dBA
34°C
N / A
9V
24 dBA
36°C
7V
18~19 dBA
38°C
6V
16 dBA
40°C
5V
13 dBA
43°C
Reference 140 mm Fan
12V
28 dBA
36°C
35°C
32~33 dBA
9V
22 dBA
38°C
36°C
25~26 dBA
8V
18~19 dBA
40°C
39°C
22 dBA
7V
14 dBA
41°C
39°C
18 dBA
6V
12 dBA
44°C
40°C
14 dBA
Measuring mic positioned 1m at diagonal angle from the center of the heatsink.
Ambient noise level: 10~11 dBA.

The NH-U14S was an excellent cooler, producing a thermal rise above ambient of 43°C at 5V and 34°C at 12V. The stock fan generated a 2°C advantage at the 18~19 dBA@1m level over our reference Noctua 140 mm fan but at lower speeds, they were about equal. Being such a skinny heatsink, the NH-U14S didn't benefit much from adding a second fan except when they were running at close to inaudible levels.

HEATSINK COMPARISON TABLES

°C Rise Comparison: CPU Coolers with Single Stock Fan
SPL (dBA@1m)
20
19
18
17
16
15
14
13
12
11
Thermalright Archon SB-E
39
         
40
   
43
Thermalright HR-02 Macho
 
39
     
40
41
 
43
 
Scythe Mugen 4
       
40
   
42
 
45
Noctua NH-U14S
 
38
 
40
   
43
   
Scythe Yasya
   
40
       
43
   
Cogage TRUE Spirit 1366
     
41
 
43
 
46
 
Zalman CNPS10X Quiet
40
       
42
 
47
 
Scythe Ashura
 
42
     
44
     
Cooler Master Hyper 212 Plus
   
41
       
44
54
 
Silverstone Argon AR03
   
43
         
48
Scythe Ninja 3
   
44
       
46
   
SilverStone Argon AR01
   
44
         
50

Compared to other coolers that ship with one stock fan, the NH-U14S is a formidable opponent, landing in fourth spot on our chart, barely edged by the Scythe Mugen 4 and Thermalright HR-02.

°C Rise Comparison:
CPU Coolers with Single 140 mm Reference Fan
Heatsink
Fan voltage / SPL @1m*
9V
(~21 dBA)
7V
(~15 dBA)
6V
(~12 dBA)
Thermalright Archon SB-E
37
40
42
Noctua NH-U14S
38
41
44
Prolimatech Armageddon
39
42
45
Scythe Mugen 4
39
42
45
Thermalright HR-02 Macho
39
43
45
NZXT Havik 140
40
43
47
Scythe Ashura
41
44
46
Noctua NH-C14
(top mounted)
40
44
48
Noctua NH-C14
40
44
49
Thermalright Silver Arrow
39
45
49
Phanteks PH-TC14PE
42
45
48
SilverStone Heligon HE02
45
48
50
be quiet! Dark Rock 2
49
51
53
*Note: there are minor differences in measured SPL due to the variety of fan orientations and mounting methods offered by the compared coolers.

Paired with our reference 140 mm fan, NH-U14S jumps ahead of the Mugen 4 and HR-02, just behind the top-ranked Thermalright Archon SB-E .

°C Rise Comparison:
CPU Coolers with Dual 140 mm Reference Fans
Heatsink
Fan Voltage / SPL*
8V
(~20 dBA)
7V
(~16 dBA)
6V
(~13 dBA)
Prolimatech Genesis
36
37
39
Thermalright HR-02 Macho
36
37
40
Noctua NH-C14
37
39
41
Thermalright Silver Arrow
37
39
41
Noctua NH-U14S
39
39
40
Noctua NH-D14
38
40
42
Scythe Mugen 4
39
40
42
Phanteks PH-TC14PE
39
41
43
NZXT Havik 140
39
40
43
Scythe Ashura
40
41
43
SilverStone Heligon HE02
43
44
46
*Note: there are minor differences in measured SPL due to the variety of fan orientations and mounting methods offered by the compared coolers.

While going from one to two of our reference Noctua 140 mm fans doesn't net the NH-U14S much improvement, it's still a formidable dual fan cooler, competing well with massive twin tower heatsinks like the Silver Arrow and NH-D14.



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