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Sony Z Series Review (i7, Bluray, 1080p, Raid SSD, AMD HD6650, dual battery)

We measure from a distance of around 2 foot from the chassis with our Extech digital sound level meter to mirror a real world situation.

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 system is generally fairly quiet, until the CPU is tasked hard, and the fans quickly whir up to compensate. When gaming, the fans are very noticeable, generating quite a lot of noise. The Core i5 processor option might run a little cooler, and therefore quieter.

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