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Scythe Ashura Shadow Heatsink Review
Scythe Ashura Shadow Heatsink Review
  84%   
Abstract: The Scythe Ashura Shadow is a dark nickel plated version of the vanilla Ashura heatsink Scythe also has on the market. Structurally, there's no difference between the two coolers, aside from the cosmetic metal coating. The Ashura Shadow heatsink stands 162mm tall and has a footprint of 145x89mm so it should fit most motherboards without memory slot interference.

 Company link  Category  Published  Author 
Scythe   Cooling / Heatsinks   Feb 17, 2014   Max Page  
Home > Reviews > Page Title: Intel LGA2011 Heatsink Temperature Comparisons

FrostyTech Mk.III Synthetic Thermal Heatsink Test Results
Intel Core i7, Extreme Edition class heatsinks tested at a 200W heat load.
Results based on readings from a 38x38mm copper interface die with 200W heat load on the Intel version of the Mk.III Test Platform. Temperature results listed for each heatsink were calculated by determining the rise over ambient temperatures at time of test. Information on Frostytech's test methodology is available here.
Socket LGA2011/1366 compatible CPU heatsinks
Manufacturer: Model No.: *Fan Speed: 200W Thermal Test (°C) Noise Level (dBA)

Coolermaster Nepton 280L high 10.6 58.8
Coolermaster Nepton 140XL high 11.8 59.6
Coolermaster Seidon 240M high 13.4 55.6
Silverstone Tundra TD02 high 13.6 53.0
Coolermaster Glacer 240L high 14.1 52.5
NZXT Kraken X60 high 14.5 60.7
Noctua NH-U14S 17.0 47.3
Coolermaster Seidon 120V high 17.5 54.3
NZXT Kraken X40 high 18.2 59.4
Silverstone Tundra TD03 high 18.7 58.1
Silverstone Argon AR01 high 18.8 53.0
Coolermaster Eisberg 240L high 19.1 50.5
BeQuiet Dark Rock Pro 3 high 19.5 43.7
Raijintek Themis high 19.7 52.8
Coolermaster V8 GTS high 20.0 59.7
Corsair Hydro H80i high 21.1 64.0
Noctua NH-U12S 21.1 46.2
Raijintek Ereboss high 21.4 49.7
Zalman Reserator 3 Max high 21.6 58.9
Scythe Mugen 4 high 21.7 41.9
Zalman LQ315 high 21.9 50.8
Silverstone NT06-P high 22.1 51.6
Raijintek Aidos high 23.0 55.6
Silentium Fera2 HE1224 high 23.4 37.6
Zalman LQ310 high 23.8 52.7
Scythe Ashura Shadow (SCASR-1000SE) high 24.2 51.4
Zalman LQ320 high 25.5 50.2
npowertek NPH-1366-115HC (LGA1366) high 28.7 44.8
Dynatron G556 (LGA1366/2U) 29.1 68.4
Scythe Ashura Shadow (SCASR-1000SE) low 30.1 38.0
Dynatron G555 (LGA1366/2U) 30.4 67.8
Dynatron G666 (LGA1366/2U) 31.8 68.7
Silverstone NT01-Pro high 35.8 40.4
nPowerTek NPH1366-140HC (LGA1366) high 36.3 48.1
Zalman FX-100 (w/h ZM-F2 fan) 36.9 28.5
Dynatron G199 (LGA1366/1U) 47.6 62.6
Zalman FX-100 (hor, ver) 63.0 0.0
200W Thermal Test (°C) Noise Level (dBA)
*Heatsinks are ranked according to the 200W Thermal Test results column (rise over ambient temp.). Low temperatures with low noise levels are considered best. For reference heatsinks with variable-speed fans, only the high speed (12V) fan test result is included in the comparison sheet; more detailed results reside in each specific heatsink review.

Frostytech's socket LGA2011 Intel synthetic thermal test platform stresses socket LGA2011/1366 compatible heatsinks with a 200W heat load. Keep in mind that the AMD Integrated Heat Spreader and Intel LGA2011 Integrated Heat Spreader both measure ~38x38mm, so these test results can be extrapolated to AMD processor scenario's as well.

With a 200W heat load applied by the Intel LGA2011/1366 version of FrostyTech's synthetic thermal test platform, the Scythe Ashura Shadow heatsink yields an average temperature result of 24.2°C over ambient at stock fan speed (1400RPM / 51.4 dBA). Reducing the speed of the 1400mm 'glidestream' fan drops noise down to a very quiet 38.0 dBA, however the synthetic CPU die temperature increases to 30.1°C over ambient.

Ultimately, the Scythe Ashura Shadow heatsink is well suited to the Intel LGA115x/775 processor platform where it demonstrated very good cooling performance at stock and reduced fan speeds.

The thermal performance of the Ashura Shadow is not as competitive on the larger integrated heat spreaders of the AMD and Intel LGA2011/1366 platforms; it's hampered by a convex base plate that reduces contact surface area too much. On the whole Scythe have built a very good heatsink for LGA115x platforms that's well worth considering. When it comes to Intel LGA2011 platforms however, the Ashura Shadow is outflanked by CPU coolers such as Noctua's NH-U14S which is similarly sized but offers better cooling and is quieter.

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 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  Scythe Ashura Shadow Heatsink Review
 2:  360° View - Scythe Ashura Shadow Heatsink
 3:  Sound Level Measurements: Which Heatsink is Quietest?
 4:  AMD Heatsink Temperature Comparisons
 5:  Intel LGA115x/775 Heatsink Temperature Comparisons
 6: — Intel LGA2011 Heatsink Temperature Comparisons

List all Scythe heat sinks that Frostytech tested?

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Time stamped: 9:58PM, 07.18.2019
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