The Scythe Big Shuriken 2 is a high performance CPU cooler in a low profile package, looking to improve upon the performance of its popular predecessor. The Reeven Vanxie is almost comically small by comparison, a tiny low profile offering for use in ultra compact cases.
June 13, 2012 by Lawrence Lee
Product | Scythe Big Shuriken 2 Rev.B | Reeven Vanxie |
Manufacturer | Scythe | Reeven |
Street Price | US$35 | US$35? |
For much of the history of desktop computing, a small form factor PC automatically meant noisy operation. Improvements in CPU efficiency have shattered this paradigm. With modern processors using less power and producing less heat, a cramped case with small fans no longer guarantees acoustic doom. The availability of compact but effective aftermarket coolers also helps greatly, particularly for DIYers.
Here are two CPU coolers aimed at smaller systems, though they belong to two distinct classes. The Scythe Big Shuriken 2 Rev.B is a follow up to the original Big Shuriken, a popular heatsink capable of running quietly while maintaining decent cooling proficiency, while taking up little space. The Reeven Vanxie, on the other hand, is almost comically petite and has no legacy to live up to. One of the smallest third party heatsinks we’ve encountered, it’s a low profile offering for use in ultra compact cases as an alternative to a loud, inefficient stock cooler.
Scythe Big Shuriken 2 Rev.B
For the longest time, Scythe’s Big Shuriken was the only widely available, high performance, low profile, CPU cooler for SFF systems. Its excellent acoustics and reasonable cost made it a triple threat. Its successor is an improvement in a variety of ways, still roughly the same price and identical in size.
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The heatsink has undergone a few small physical changes, along with a faster fan and the inclusion of a backplate mounting system. This last change is welcome as we’ve never been able to mount the first Shuriken on Intel boards without scraping our knuckles whilst tackling the pushpins in the tiny space beneath the main fin stack. Note: The (recently discontinued) vanilla Big Shuriken 2 is identical to the Rev.B except it lacks an LGA2011 mounting option.
Scythe Big Shuriken 2 Rev.B: Specifications (from the product web page) | |
Model name: | BIG Shuriken 2 Rev. B |
Model number: | SCBSK-2100 |
Compatibility: | Intel®: Socket T / LGA775 Socket LGA1155 Socket LGA1156 Socket LGA1366 Socket LGA2011 AMD®: |
Combined Dimensions: | 125 x 135 x 58 mm |
Fan compatibility | Overall Weight: 410 g |
Scope of Delivery | Accessory: Manual, Thermal Grease |
Warranty | Baseplate-Material: Nickel-plated copper (more information) |
Fan Specifications | |
Model Name: | Slip Stream 120 Slim PWM |
Model No.: | SY1212SL12H-P |
Fan Dimensions: | 120x120x12 mm |
Fan Speed: | 500 (±200 rpm) – 2.000 rpm (±10%) – PWM-controlled |
Noise Level: | 9.32 – 33.67 dBA |
Air Flow: | 12.13 – 45.47 CFM = 21 – 78 m³/h |
Static Pressure: | 0.11 – 1.35 mmH2O / 1.08 – 13.2 Pa |
Input Current: | 0.19 A |
Bearing Type: | Sleeve Bearing |
Voltage: | 12 V |
Reeven Vanxie
A mostly unknown name, Reeven hasn’t yet established much market penetration, with only a few of their products available at a smattering of retailers outside of Asia. Their focus is on PC cooling, namely heatsinks, fans, and fan controllers.
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The Vanxie is a truly low profile CPU cooler standing just 34 mm tall and weighing a scant 180 grams. Equipped with only two heatpipes and a slim 80 mm fan, it’s obviously not in the same league as the Big Shuriken 2, but it fits the bill for the many cases out there with severe CPU heatsink height restrictions. The question is whether it can provide adequate cooling without generating a high level of noise. This is always a challenge for less well-endowed coolers.
Reeven Vanxie: Specifications (from the product web page) | |
Model Number: | RC-0801 |
Compatibility: | Intel: 775 / 1155 / 1156 / 1366 |
Dimension: | W80xH22xD98mm / W3.14xD0.86xH3.85in |
Heatsink Material : | Aluminum Fins / 6mm Copper Heatpipe x 2 / Copper base |
Fan Dimension: | 80 x 80 x 10.8mm 3.14 x 3.14 x 0.4in |
Fan Speed: | 800 ~ 3300RPM (PWM) |
Max. Air Flow: | 6.0 ~ 24.82CFM |
Noise: | 8.2 ~ 32.5dBA |
Weight: | 140g / 0.31lb (Heatsink Only) |
PHYSICAL DETAILS: Scythe Big Shuriken 2 Rev.B
The Scythe Big Shuriken 2 is composed of 110 aluminum fins (80 in the larger section) friction-fit to five 6 mm thick heatpipes soldered to a nickel-plated copper base. The cooler measures 125 x 38 x 135 mm (W x H x D) and weighs about 410 grams.
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BASE & INSTALLATION: Scythe Big Shuriken 2 Rev.B
The most critical aspect of installation is that the heatsink be securely
mounted. A firm mating results in good contact between the heatsink’s base and
the CPU heatspreader and more efficient heat conduction. Ideally it should
also be a simple procedure with the user having to handle as few pieces of
hardware as possible.
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PHYSICAL DETAILS & INSTALLATION: Reeven Vanxie
The Reeven Vanxie is composed of a copper base soldered to two copper heatpipes surrounded by aluminum fins. Including the fan, it measures 80 x 34 x 98 mm (W x H x D) and weighs approximately 180 grams.
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TESTING
Before thermal testing, we took some basic physical measurements.
Approximate Physical Measurements | ||
Cooler | Scythe Big Shuriken 2 Rev.B | Reeven Vanxie |
Weight | 330 g 410 g with stock fan and clips | 140 g 180 g with stock fan and clips |
Height | 58 mm | 34 mm |
Fin count (large/small) | 80/30 | 44/105 |
Fin thickness | 0.29 mm | 0.28 mm |
Fin spacing | 1.13 mm | 1.39 mm |
Vertical Clearance* | 39 mm | N/A |
* measured from the motherboard PCB to the bottom fin of the heatsink. |
Comparison: Approximate Fin Thickness & Spacing | ||
Heatsink | Fin Thickness | Fin Spacing |
Scythe Big Shuriken 2 Rev.B | 0.29 mm | 1.13 mm |
Scythe Big Shuriken | 0.33 mm | 1.19 mm |
Reeven Vanxie | 0.28 mm | 1.39 mm |
Noctua NH-L12 | 0.49 mm | 1.51 mm |
Scythe Kozuti | 0.12 mm | 1.69 mm |
Scythe Samurai ZZ | 0.33 mm | 1.74 mm |
Key Components in LGA1155 Heatsink Test Platform:
- Intel Core i5-2400 Sandy Bridge core, LGA1155, 3.1 GHz, 45nm, 95W TDP, overclocked/volted to 3.6 GHz and 1.300V.
- Intel DP67BG ATX motherboard.
P67 chipset. - Kingston
SSDNow V 30GB 2.5" solid-state drive. Chosen for silence. - OCZ Platinum Extreme Low Voltage DDR3 memory. 2 x 2 GB, DDR3-1333 in dual channel.
- Seasonic X-400 SS-400FL
400W ATX power supply. Passively cooled. - Arctic Silver
Lumière: Special fast-curing thermal interface material, designed
specifically for test labs. - Noctua 140 mm fan (used when possible with heatsinks that fit 140x25mm
fans) - Nexus 120 mm fan (used when possible with heatsinks that fit 120x25mm
fans) - Nexus 92 mm fan (used when possible with heatsinks that fit 92x25mm
fans)
The systems are silent under test conditions, except for the CPU cooling
fan(s).
Normally, our reference fans are used whenever possible, the measured details
of which are shown below (note these measurements were taken in open air, the
noise levels vary a bit when mounted on heatsinks, especially at higher RPM).
Reference Noctua 140mm fan Anechoic chamber measurements | ||
Voltage | SPL@1m | Speed |
12V | 28~29 dBA | 1250 RPM |
9V | 21 dBA | 990 RPM |
7V | 15~16 dBA | 770 RPM |
6V | 13 dBA | 660 RPM |
Reference Nexus 120mm fan Anechoic chamber measurements | ||
Voltage | SPL@1m | Speed |
12V | 16 dBA | 1100 RPM |
9V | 13 dBA | 890 RPM |
7V | 12 dBA | 720 RPM |
Reference Nexus 92 mm fan Anechoic chamber measurements | ||
Voltage | SPL@1m | Speed |
12V | 16 dBA | 1470 RPM |
9V | 12 dBA | 1150 RPM |
Measurement and Analysis Tools
- Extech 380803 AC power analyzer / data logger for measuring AC system
power. - Custom-built, four-channel variable DC power supply, used to regulate
the fan speed during the test. - PC-based spectrum analyzer:
SpectraPlus with ACO Pacific mic and M-Audio digital
audio interfaces. - Anechoic chamber
with ambient level of 11 dBA or lower. - Various other tools for testing fans, as documented in our
latest fan test roundup. - SpeedFan,
used to monitor the on-chip thermal sensors. The sensors are not calibrated,
so results are not universally applicable. The hottest core reading is used. - Prime95,
used to stress the LGA1366 CPU heavily, generating more heat than most real applications.
8 instances are used to ensure that all 4 cores (with Hyper-threading) are
stressed. - CPU-Z,
used to monitor the CPU speed to determine when overheating occurs. - Thermometers to measure the air temperature around the test platform
and near the intake of the heatsink fan.
Noise measurements are made with the fans powered from the lab’s variable DC
power supply while the rest of the system was off to ensure that system noise
did not skew the measurements.
Load testing was accomplished using Prime95 to stress the processor, and the
graph function in SpeedFan was used to ensure that the load temperature is stable
for at least ten minutes. The temperature recorded is the highest single core
reading. The stock fans were tested at various voltages to represent a good
cross-section of airflow and noise performance.
The ambient conditions during testing were 10~11 dBA and 21~23°C.
Stock Fan Measurements
Specifications: Scythe Big Shuriken 2 Rev.B Stock Fan | |||
Manufacturer | Power Rating | 4.68 W | |
Model Number | SY1212SL12H-P | Airflow Rating | 45.47 CFM |
Bearing Type | Sleeve | Speed Rating | 2000 RPM |
Corners | Open | Noise Rating | 33.67 dBA |
Frame Size | 120 x 120 x 12 mm | Header Type | 4-pin |
Fan Blade Diameter | 113 mm | Starting Voltage | 6.0 V |
Hub Size | 39 mm | Weight | 80 g |
Data in green cells provided by the manufacturer or observed; data in the blue cells were measured. |
Like its predecessor, the Big Shuriken 2 uses a slim 120 mm Slip Stream fan, a necessary compromise to keep the cooler’s height in check. The Slip Stream series has been a favorite of ours, an old standby that has never disappointed acoustically. This particular model is essentially the same as the original Big Shuriken, only a faster variant with a nominal speed of 2000 rather than 1600 RPM.
Stock Fan Measurements | ||
Voltage | Speed | SPL@1m |
12V | 1960 RPM | 30 dBA |
9V | 1560 RPM | 23~24 dBA |
8V | 1340 RPM | 19 dBA |
7.5V | 1100 RPM | 14 dBA |
7V | 830 RPM | 11~12 dBA |
Measuring mic positioned 1m at diagonal angle from the center of the heatsink. Ambient noise level: 10~11 dBA. |
At maximum speed, the Big Shuriken 2 stock fan produces 30 dBA@1m measured on the heatsink, fairly loud by our standards. It’s much quieter undervolted, but becomes temperamental below 7V, at which point slight changes in voltage result in a drastic reduction in fan speed; PWM control is preferable. There’s also a big drop-off in noise between 8V and 7.5V despite there only being a speed difference of 240 RPM.
At 8V and above, the noise generated is dominated by the turbulence, the soft sound of the air being pushed through the heatsink fins. At 7.5V it develops a bit of a buzzing sound, but it’s only audible at close range. At one meter’s distance it’s almost inaudible at this level, measuring just above our anechoic chamber’s noise floor of 10~11 dBA.
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At quieter noise levels, our acoustic analysis shows no significant peaks across the majority of the frequency range, indicating a lack of tonality. It has a pleasant, broadband profile.
Specifications: Reeven Vanxie Stock Fan | |||
Manufacturer | Power Rating | 2.4 W | |
Model Number | RY8010S33C-P | Airflow Rating | 24.82 CFM |
Bearing Type | Sleeve | Speed Rating | 3300 RPM |
Corners | Closed | Noise Rating | 32.5 dBA |
Frame Size | 80 x 80 x 10 mm | Header Type | 4-pin |
Fan Blade Diameter | 74 mm | Starting Voltage | 5.6 V |
Hub Size | 29 mm | Weight | 40 g |
Data in green cells provided by the manufacturer or observed; data in the blue cells were measured. |
The Reeven Vanxie is also equipped with a low profile fan, an 80 mm sleeve bearing model that’s only 10 mm thick. Given the size of the heatsink, Reeven opted for a high speed model running at 3300 RPM.
Stock Fan Measurements | ||
Voltage | Speed | SPL@1m |
12V | 3290 RPM | 33 dBA |
9V | 2590 RPM | 25 dBA |
8V | 2100 RPM | 19 dBA |
7V | 1680 RPM | 14 dBA |
6.5V | 1150 RPM | 12 dBA |
Measuring mic positioned 1m at diagonal angle from the center of the heatsink. Ambient noise level: 10~11 dBA. |
The Vanxie’s stock fan is quite loud, measuring 33 dBA@1m at full speed. Its noise is comprised mostly of turbulence at 9V~12V but there is a slight, underlying whine that becomes more noticeable as the fan speed is decreased. The fan doesn’t start to become quiet until the 8V level and comes close to being inaudible at 6.5V.
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The fan’s acoustics aren’t great, but certainly better than what one would expect from a stock fan from a lesser known manufacturer. It does sound a bit rougher than the Big Shuriken 2’s fan when set to produce similar noise levels.
TEST RESULTS
Scythe Big Shuriken 2 Rev.B | |||||
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Fan Voltage | Fan Speed | SPL@1m | °C Rise above Ambient | ||
CPU | VRM | RAM | |||
Stock Fan | |||||
12V | 1960 RPM | 30 dBA | 34 | 22 | 13 |
9V | 1560 RPM | 23~24 dBA | 37 | 26 | 16 |
8V | 1340 RPM | 19 dBA | 39 | 29 | 20 |
7.5V | 1100 RPM | 14 dBA | 43 | 34 | 24 |
7V | 830 RPM | 11~12 dBA | 48 | 39 | 28 |
Ref. Nexus 120mm Fan | |||||
12V | 1080 RPM | 14~15 | 36 | 27 | 16 |
9V | 860 RPM | 11~12 | 39 | 31 | 21 |
The new Big Shuriken’s cooling proficiency is excellent, particularly at low noise levels. With the original Big Shuriken, a huge 15°C drop-off in performance was experienced going from 1100 to 800 RPM, but the difference was only 5°C for the revised model. The heatsink’s capabilities improved even further when paired with our reference Nexus 120 mm, but it was hardly a fair fight; a standard 120 mm fans like the Nexus is twice as thick, increasing the total height of the cooler to 71 mm.
Reeven Vanxie (Stock Fan) | |||||
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Fan Voltage | Fan Speed | SPL@1m | °C Rise above Ambient | ||
CPU | VRM | RAM | |||
12V | 3290 RPM | 33 dBA | 51 | 28 | 22 |
9V | 2590 RPM | 25 dBA | 59 | 38 | 28 |
8V | 2100 RPM | 19 dBA | 66 | 45 | 32 |
7V | 1680 RPM | 14 dBA | 77 | 56 | 37 |
6.5V | 1150 RPM | 12 dBA | FAIL |
Hardly surprising, the diminutive Vanxie performed 20~30°C worse than the Big Shuriken at comparable noise levels. Even at maximum fan speed, it couldn’t keep up with the Big Shuriken at its lowest tested fan speed. It couldn’t keep the CPU properly cool at ultra low noise levels either, approaching the chip’s throttling temperature (~98°C) at 7V / 14 dBA@1m and exceeding it at 6.5V / 12 dBA.
Heatsink Comparison Tables
°C rise Comparison (CPU Temperature) | |||||||||
SPL (dBA@1m) | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 |
Noctua NH-L12 (both fans) | 33 | – | – | 34 | – | 35 | – | 36 | |
Noctua NH-L12 (ref. 120mm fan) | – | – | – | – | – | 34 | – | 37 | |
Scythe Big Shuriken 2 Rev.B (ref. 120mm fan) | – | – | – | – | – | 36 | – | 39 | |
Noctua NH-L12 (120mm fan) | – | – | 37 | – | – | 38 | – | 39 | 42 |
Scythe Big Shuriken (ref. 120mm fan) | – | – | – | – | – | 41 | – | 43 | |
Scythe Big Shuriken 2 Rev.B | – | 39 | – | – | – | 43 | – | 48 | |
Scythe Samurai ZZ (ref. 92mm fan) | – | – | – | – | – | – | 44 | – | 51 |
Scythe Samurai ZZ | – | – | 45 | – | – | 46 | – | 52 | |
Noctua NH-L12 (92mm fan) | 42 | – | 44 | – | 47 | – | 51 | 57 | |
Scythe Big Shuriken | 43 | – | – | – | – | 46 | – | 61 | |
Scythe Kozuti | – | – | 57 | – | – | 62 | – | 65 | |
Reeven Vanxie | – | 66 | – | – | – | – | 77 | – | F |
Thanks to improved low airflow performance, the new Shuriken surpasses the original by a comfortable margin in our performance chart, even beating out the much larger Samurai ZZ. Equipped with our reference Nexus 120 mm fan, it is almost on par with the Noctua NH-L12. A standard sized fan increases the height of the Shuriken to 71 mm though, 5 mm taller than the NH-L12 when the Noctua is configured to use one fan in the bottom position blowing downward.
Though similar in size, the Reeven Vanxie can’t touch the Scythe Kozuti, trailing by double digits at similar noise levels. It’s also the first cooler we’ve tested on our new small CPU heatsink test platform that couldn’t keep the processor from throttling while producing 12 dBA@1m. An overclocked 95W quad core Sandy Bridge is a bit much for the Vanxie’s capabilities.
°C rise Comparison (VRM Temperature) | |||||||||
SPL (dBA@1m) | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 |
Noctua NH-L12 (both fans) | 17 | – | – | 19 | – | 21 | – | 23 | |
Noctua NH-L12 (ref. 120mm fan) | – | – | – | – | – | 20 | – | 25 | |
Scythe Big Shuriken (ref. 120mm fan) | – | – | – | – | – | 25 | – | 29 | |
Scythe Big Shuriken 2 Rev.B (ref. 120mm fan) | – | – | – | – | – | 27 | – | 31 | |
Noctua NH-L12 (120mm fan) | – | – | 24 | – | – | 26 | – | 27 | 32 |
Scythe Big Shuriken 2 Rev.B | – | 29 | – | – | – | 34 | – | 39 | |
Noctua NH-L12 (92mm fan) | 28 | – | 31 | – | 33 | – | 38 | 43 | |
Scythe Samurai ZZ (ref. 92mm fan) | – | – | – | – | – | – | 36 | – | 43 |
Scythe Big Shuriken | 28 | – | – | – | – | 30 | – | 47 | |
Scythe Kozuti | – | – | 36 | – | – | 40 | – | 45 | |
Scythe Samurai ZZ | – | – | 38 | – | – | 39 | – | 47 | |
Reeven Vanxie | – | 45 | – | – | – | – | 56 | – | F |
VRM cooling is also much better on the Big Shuriken 2 Rev. B than the original, but only when comparing the stock fans. The first Big Shuriken actually performed a bit better when both heatsinks were paired with our reference fan. The Vanxie came in last as one would expect.
MP3 SOUND RECORDINGS
These recordings were made with a high
resolution, lab quality, digital recording system inside SPCR’s
own 11 dBA ambient anechoic chamber, then converted to LAME 128kbps
encoded MP3s. We’ve listened long and hard to ensure there is no audible degradation
from the original WAV files to these MP3s. They represent a quick snapshot of
what we heard during the review.
These recordings are intended to give you an idea of how the product sounds
in actual use — one meter is a reasonable typical distance between a computer
or computer component and your ear. The recording contains stretches of ambient
noise that you can use to judge the relative loudness of the subject. Be aware
that very quiet subjects may not be audible — if we couldn’t hear it from
one meter, chances are we couldn’t record it either!
The recording starts with 5~10 second segments of room ambiance, then the fan
at various levels. For the most realistic results, set the volume so that
the starting ambient level is just barely audible, then don’t change the volume
setting again.
- Scythe Big Shuriken 2 Rev.B with stock fan at 1m
— 7.5 (14 dBA@1m)
— 8V (19 dBA@1m)
— 9V (23~24 dBA@1m)
— 12V (30 dBA@1m)
- Reeven Vanxie with stock fan at 1m
— 7V (14 dBA@1m)
— 8V (19 dBA@1m)
— 9V (25 dBA@1m)
— 12V (33 dBA@1m)
FINAL THOUGHTS
Scythe Big Shuriken 2 Rev.B
At first glance, the Scythe Big Shuriken 2 Rev.B seems like only a minor update, having only slight design changes aside from the extra heatpipe, a faster fan, and a new mounting system. We were pleasantly surprised to find a substantial performance difference, particularly at very low fan speeds. When generating a noise level just above our anechoic chamber’s noise floor, it spanked the original Big Shuriken by double digits, while at more reasonable fan speeds it generated a 3~4°C reduction. We suspect the new, more secure mounting system is responsible for much of the improvement but it would’ve been our favorite change regardless. We’re not fond of having to flip the motherboard upside-down, but it’s still still vastly superior to what preceded it; the pushpins of the original Shuriken are terribly difficult to engage and we’re glad to be rid of them.
The Noctua NH-L12 remains the undisputed champion but the Big Shuriken 2 Rev.B is a close second when using the same reference fan. With their respective 120 mm stock fans, the Big Shuriken isn’t nearly as good, but it still delivers better bang-for-your-buck. Priced at around US$35, the improved performance comes at no extra cost compared to the original and it’s US$20 cheaper than the NH-L12. Though they have similar footprints, the Big Shuriken 2 is also 58 mm tall, 8 mm shorter. We also think the Shuriken’s fan has a more pleasant sound with less bearing noise than the NH-L12’s 120 mm model.
Our only real complaint about the product is endemic for all top-down heatsinks with 120 mm fans — they are too big to use in SFF gaming systems with mini-ITX LGA1155/1156 boards, hanging over the PCI-E slot, preventing the use of discrete graphics cards. This is unfortunate as this type of PC is most in need of a compact high performance CPU cooler.
Reeven Vanxie
The Reeven Vanxie is seriously outclassed by every aftermarket cooler we’ve tested thus far. With its 34 mm height and basic design, it’s really only a match for a stock cooling unit, though it does sound significantly better than a typical OEM heatsink. The Vanxie performed well enough to keep our overclocked quad core Sandy Bridge chip from throttling, at least until the fan speed was lowered below ~1200 RPM and its noise output approached inaudible levels. We suppose that’s an accomplishment for this waif of a heatsink, but it’s better suited for dissipating the heat generated by a cooler processor; the good thing is that there are many 65W and 35W TDP processor options today, and these are often used on SFF systems.
We can only recommend the Vanxie under one condition, when the enclosure is so small that a Scythe Kozuti cannot be accommodated. The Kozuti is 6 mm taller but its cooling proficiency is superior by a huge margin and it can be purchased today from stores across the globe. A brief internet search reveals the Vanxie currently being sold only in Japan with the lowest price being ~¥2700 (US$34) while the Kozuti can be found various Japanese retailers for ~¥2400 (US$30). This seems to indicate that if/when the Vanxie reaches other markets, it will also be slightly more expensive, putting it at a further disadvantage.
Our thanks to Scythe and Reeven for the Big Shuriken 2 Rev.B and Vanxie CPU cooler samples.
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Scythe Big Shuriken 2 Rev.B
wins the SPCR Editor’s Choice
SPCR Articles of Related Interest:
Fans from Noctua & Corsair at Computex 2012
SPCR’s Updated 2012 Small CPU Heatsink Test Platform
Fan
Roundup #6: Scythe, Noiseblocker, Antec, Nexus, Thermalright
Noctua
NH-L12 Low Profile Cooler
Antec Kühler H20 620 & 920 CPU Water Cooling Units
Scythe
Kozuti Low Profile CPU Heatsink
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