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AeroCool Shark vs Cooler Master r4. Very confused!!!

post #1 of 2
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I just watched this video and I'm a little confused.



I dont know what language he's speaking but if you fast forward to 5:16 he compares the Aerocool Shark vs Cooler Master r4 on a radiator and they look like they have the same performance. Put the specs on each are

Cooler Master R4
Fan Size 120mm
Bearing Type Sleeve
RPM 1200 RPM±10%
Air Flow 44.73 CFM
Noise Level 19.1 dBA

AeroCool Shark
Fan Size 120mm
Bearing Type Fluid Dynamic
RPM 800 RPM +/- 10% (Silence mode), 1500 RPM +/- 10% (Power mode)
Air Flow 32.5 CMF (Silence mode), 82.6 CMF (Power mode)
Noise Level 12.6dBA (Silence mode), 26.5dBA (Power mode)

The specs show the AeroCool shoud have almost double the airflow. So what gives?
 
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Cube
(12 items)
 
Screw WC
(0 items)
CPUMotherboardGraphicsRAM
8350 Asus Crosshair V Formula-Z MSI HD7970 Corsair Dominator GT 12GB CMT12GX3M3A2000C9 
Hard DriveOptical DriveCoolingCooling
Sandisk Extreme 240GB SSD LG Black 10X BD-ROM 16X DVD-ROM 48X CD-ROM SATA... EK EKoolant Premium Liquid Cooling Premix Coolant EK Supreme HF CPU Water Block 
CoolingCoolingCoolingCooling
XSPC 240mm radiator Phobya Xtreme 200mm Radiator EK Radeon HD 7950 VGA Liquid Cooling Block - Ac... Bitspower Galaxy Freezer Memory Block 
OSMonitorKeyboardPower
Windows 7 Professional x64 Auria EQ276W 27" IPS LED Monitor 2560x1400 Microsoft Arc Coolermaster Silent Pro Gold 800w 
CaseMouseOtherOther
Corsair 600T Logitech M520 Cooler Master MegaFlow 200mm NZXT Aperture M Internal 5.25-Inch Mesh Card Re... 
Other
SEDNA - PCI Express USB 3.0 4 Port Adapter 
CPUMotherboardGraphicsRAM
4770k MSI Z87-GD65 ASUS HD 7970 Team Vulcan 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DD... 
Hard DriveCoolingOSMonitor
Sandisk SSD Corsair H110 Windows 7 Auria EQ276W 27" WQHD IPS LED Monitor 
KeyboardPowerCaseMouse
Corsair K70 Corsair AX 1200i Corsair Carbide Series Air 540 CC-9011034-WLED ... Mad Catz M.M.O.7 Gaming Mouse 
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post #2 of 2

Don't always believe the specs of fans. The companies have different measurement types for those specs.

 

Other than that I used to own the AeroCool shark and it wasnt bad at all. Very quiet. However since I did not use the CM R4, I can not compare both.

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