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Cooljag JVC258A V-Type Copper Base Heatsink Review
Cooljag JVC258A V-Type Copper Base Heatsink Review
  82%   
Abstract: Not only does the upwards expansion out allow the heatsink to come equipped with a larger fan, but it also helps induce efficient exhaust judging by the looks of it.

 Company link  Category  Published  Author 
Cooljag   Cooling / Heatsinks   May 02, 2003   Max Page  
Home > Reviews > Page Title: Final Temperature Results

Synthetic Temperature Test Results: *Ranked according to 100W small interface die test results.

FrostyTech Synthetic Temperature Test Platform Results
Mfg. Model Ambient Temp. 27mm large copper block 15mm small copper block 27mm large copper block 15mm small copper block Thermal pad No. Fans Fan Noise Clip force
50W 50W 100W 100W
Thermalright SLK800 21.7 34.8 37.5 45.2 51.6 none 1 loud med
Thermalright AX-7 21.7 34.8 37.1 46.1 52.1 none 1 loud med
Tocools Novasonic 22.9 40.9 39.9 54.4 59.4 none 1 med stiff
Coolink U1P2 26.1 39.4 44.9 50.9 62.2 none 2 loud easy
Arkua 628 23.9 42.7 42.1 58.9 62.3 none 1 med med
Thermal Integration TI-V77L 26.5 39.1 44.4 57.5 63.6 grey 1 med med
Sibak AC02625B 23.2 41.3 59.0 43.2 64.7 none 1 loud med
Coolermaster HSCV83 (high) 25.5 40.3 46.2 55.0 66.5 none 1 loud easy
Sibak AC06725TH 22.5 42.9 46.2 61.7 67.7 none 1 Very loud med
Coolermaster HHC-001 21.7 40.0 44.8 56.3 68.1 none 1 loud easy
Dynatron DY1206BH-625 23.2 40.0 55.1 47.6 70.4 none 1 loud stiff
AVC Tundra2 22.0 41.4 47.5 59.0 71.1 none 1 loud stiff
Vantec CCK-6027D 27.4 45.4 49.6 64.9 73.4 none 1 med med
Akasa Ag Mountain2Q 21.7 42.4 48.5 61.2 74.5 none 1 med med
Coolermaster HSC-V62 21.4 47.4 52.8 61.7 74.5 none 1 quiet easy
CoolJag JVC258A 22.5 43.5 48.7 61.6 75.5 none 1 med easy
NengTyi XPC5000 23.9 46.5 49.1 69.1 76.1 none 1 med med
Spire 5F263 22.6 44.7 51.8 64.3 76.2 white 1 low med
Titan TTC-CU5TB 24.2 46.2 51.2 61.8 76.4 none 1 loud stiff
Eumax EU01 22.6 43.5 50.2 60.8 77.1 none 1 med stiff
Taisol CGK760092 23.4 42.7 51.3 61.2 77.5 pink 1 low med
Spire 5T235 22.3 43.0 50.3 62.8 78.1 white 1 med med
Zalman CNPS6000-Cu 24.8 46.4 53.8 65.6 78.2 none 1 very low easy
Taisol CMK702 20.6 40.8 48.7 61.6 78.4 none 1 low easy
AVC 112AM1 24.8 46.6 52.9 70.1 79.6 none 1 low stiff
Coolermaster HHC-L61 21.5 47.2 48.3 71.2 82.3 none 1 quiet easy
Spire 5U213C1H36 19.8 45.8 54.4 67.1 83.3 pink 1 low easy
Evercool ND19715CA 23.5 45.4 55.0 67.8 83.9 none 1 med easy
Thermaltake Volcano 6cu+ 26.5 40.3 55.3 58.6 84.4 carbon 1 loud med
Akasa AK821 22.7 49.4 57.2 74.1 93.2 grey 1 med med
Verax P11T 26.1 61.2 69.7 90.9 102.7 none 1 none easy
Verax P14 26.1 56.9 67.4 81.6 101.2 none 1 none easy
50W 50W 100W 100W

The initial thermal performance as measured by the 100W synthetic temperature test on the small copper interface die places the CoolJag JVC258A about dead center on this list of reference heatsinks. Let's jump right to the final rise above ambient temperatures to see where things actually stand.

Rise Above Ambient Temp. (c)
Mfg. Model 27mm large copper block 15mm small copper block 27mm large copper block 15mm small copper block
50W 50W 100W 100W
Thermalright SLK800 13.1 15.8 23.5 29.9
Thermalright AX-7 13.1 15.4 24.4 30.4
Coolink U1P2 13.3 19.8 26.8 36.1
Tocools Novasonic 18.0 17.0 31.5 36.5
Thermal Integration TI-V77L 12.6 17.9 31.0 37.1
Arkua 628 18.8 18.2 35.0 38.4
Coolermaster HSCV83 (high) 14.8 20.7 29.5 41.0
Sibak AC02625B 18.1 35.8 20.0 41.5
Sibak AC06725TH 20.4 23.7 39.2 45.2
Vantec CCK-6027D 18.0 22.2 37.5 46.0
Coolermaster HHC-001 18.3 23.1 34.3 46.4
Dynatron DY1206BH-625 16.8 31.9 24.4 47.2
AVC Tundra2 19.4 26.5 37.0 49.1
NengTyi XPC5000 22.6 25.2 45.2 52.2
Titan TTC-CU5TB 22.0 27.0 37.6 52.2
Akasa Ag mountain2Q 20.7 26.8 39.5 52.8
Coolermaster HSC-V62 26.0 31.4 40.3 53.1

CoolJag

JVC258A 21.0 26.2 39.1 53.2
Zalman CNPS6000-Cu 21.6 29.0 40.8 53.4
Spire 5F263 22.1 29.2 41.7 53.6
Taisol CGK760092 19.3 37.8 27.9 54.1
Eumax EU01 20.9 27.6 38.2 54.5
AVC 112AM1 21.8 28.1 45.3 54.8
Spire 5T235 20.7 28.0 40.5 55.8
Taisol CMK702 20.2 28.1 41.0 57.8
Thermaltake Volcano 6cu+ 13.8 28.8 32.1 57.9
Evercool ND19715CA 21.9 31.5 44.3 60.4
Coolermaster HHC-L61 25.7 26.8 49.7 60.8
Spire 5U213C1H3G 26.0 34.6 47.3 63.5
Akasa AK821 26.7 34.5 51.4 70.5
Verax P11T 35.1 43.6 64.8 76.6
Verax P14 30.8 41.3 55.5 75.1
50W 50W 100W 100W

Thermal performance of the CoolJag JVC258A is just short of the 50 degree Celsius mark, but still relatively close. The JVC258A being a largely aluminum based heatsink exhibits pretty good cooling capability and would be a fine choice for most systems, though there are better options available if overclocking is your game.

While CoolJag do not explain much of the reason behind their V-Type Skiving technology, we can easily assume a few points if we consider similar technologies already in use.

First off we have the triangular shaped base to consider. This feature is different from most heatsinks which have a flat base at the bottom of the fins. This area of the base of the heatsink also happens to be at the center of the heatsink which typically receives the least amount of airflow from the fan. This is generally known as the 'dead spot' since the fan's motor is located directly above causing air in this space to stall. By angling the base upward in this region, I'd guess that the effect of the standing air will be lessened.

The nifty 'V-Type' angled skived fins put more fin-material directly into the flow of air from the fan which has the highest velocity. The angeled aspect also allows the base to remain relatively compact so it doesn't interfere with adjacent capacitors. All these aspects are assembled into one heatsink known as the CoolJag JVC258A, which while exhibiting good performance, really makes me want to test out a full-copper version!

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 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  Cooljag JVC258A V-Type Copper Base Heatsink Review
 2:  The heatsink from all sides
 3:  Heatsink Thermal/Acoustic Test Parameters
 4:  Thermal And Acoustic Results
 5: — Final Temperature Results

List all Cooljag heat sinks that Frostytech tested?

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Time stamped: 8:35PM, 11.22.2017
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