MSI Z77A-G45 & Lightning GTX680 Review

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We have changed our method of measuring noise levels. We have built a system inside a Lian Li chassis with no case fans and have used a fanless cooler on our CPU. The motherboard is also passively cooled. This gives us a build with almost completely passive cooling and it means we can measure noise of just the graphics card inside the system when we run looped 3dMark tests.

Ambient noise in the room is around 20-25dBa. We measure from a distance of around 1 meter from the closed chassis and 4 foot from the ground to mirror a real world situation.

Why do this? Well this means we can eliminate secondary noise pollution in the test room and concentrate on only the video card. It also brings us slightly closer to industry standards, such as DIN 45635.

KitGuru noise guide
10dBA - Normal Breathing/Rustling Leaves
20-25dBA – Whisper
30dBA - High Quality Computer fan
40dBA - A Bubbling Brook, or a Refridgerator
50dBA - Normal Conversation
60dBA - Laughter
70dBA - Vacuum Cleaner or Hairdryer
80dBA - City Traffic or a Garbage Disposal
90dBA - Motorcycle or Lawnmower
100dBA - MP3 player at maximum output
110dBA - Orchestra
120dBA - Front row rock concert/Jet Engine
130dBA - Threshold of Pain
140dBA - Military Jet takeoff/Gunshot (close range)
160dBA - Instant Perforation of eardrum

The card is almost silent when it is idling, with the fans spinning around only 1,100rpm. When gaming these spin up to around 1,500 rpm, producing around 33.4 dBa. When under the Furmark stress test, the fans spin up to 1,700 rpm which emits around 35 dBa of noise. Still not intrusive at all.

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Rating: 5.0/5 (1 vote cast)
MSI Z77A-G45 & Lightning GTX680 Review, 5.0 out of 5 based on 1 rating
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4 Comments
  • Xtreme
    December 19, 2012
    #1
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    Rating: 0.0/5 (0 votes cast)

    Thats a very good value for money mobo. I didnt have a good experience with my last MSI board however so went back to ASUS.

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  • EsOne
    December 19, 2012
    #2
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    id love a GTX680 for my system, reckon they might drop to £199 in January? :p

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  • Mannucuna
    December 19, 2012
    #3
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    I need to upgrade my motherboard, its a Z68 and its flaky. one of the first out and my SATA ports are becoming tempremental :(

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  • meceil
    December 21, 2012
    #4
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    Great post. I have read this article. This article is really informative. I will be grateful if you continue this in future. Many people will be benefited from your writing.

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