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Help me build as quiet as possible? - Page 2

post #11 of 12
Consider what makes noise in a computer:
  • GPU and PSU inductors
  • Case fans
  • Heat sinks and fans
  • Power supply and fan(s)
  • HDDs
  • DVD drives
  • Turbulent airflow
  • Structural vibration

All of these can be addressed to make a machine quieter. Inductor noise can sometimes be addressed if they’re accessible. Case fans are easy to quiet by using quieter fans: low-RPM Gentle Typhoons, Noiseblockers, Scythe Slipstream (120 and 140mm), Nexus Basic/Real Silent, San Ace silent series, low-rpm Globe Golf Gen2 or 3s (120 and 140mm), and Thermalright’s TY-140 and X-Silent 140. Heatsink fans pick from basically the same list minus Slip Streams, X-Silents, and BlackSilents.

Heatsinks don't make noise on their own, but how they direct air flowing through them will. A Noctua NH-D14 or Thermalright Silver Arrow are your best bets right now for available CPU coolers: the Silver Arrow is a little quieter, the D14 cools a little better when the heat is on. Since you won't be overlocking this machine, the Silver Arrow is probably your best bet. That it comes with two of arguably the best 140mm fan on the market is a solid bonus.

Power supply noise is solved by buying a good power supply - Seasonic, Kingwin, and Superflower all make phenomenal and quiet PSUs. HDDs can be replaced by SSDs (no sound beats any sound and I don't see what you'd need HDD-sized storage for in that computer). DVD drives you’re kind of screwed with, though slim laptop drives seem to be the quietest.

Turbulent airflow is the kind you get when stuff is in the way of the fans: bad cable management, restrictive HDD cages, restrictive case grills and mesh, etc. Note that all of these can be managed, though they may require clever use of hand tools or power tools.

Structural vibration is the only complicated source of sound to manage because it requires isolating the case from those things causing vibration to transmit through it. The denser the case material, the better it dampens sound and vibration. Mount the PSU on rubber, silicon, velcro, or something else that absorbs vibration, use HDD suspension, and soft-mounting case fans.
    
CPUMotherboardGraphicsGraphics
i7 2600k Asus ROG Maximus V Gene Reference EVGA GTX 680 (1306 / 7204) Reference EVGA GTX 680 SC (1280 / 7160) 
RAMHard DriveCoolingOS
16GB Samsung 'Green' 1600 DDR3 (MV-3V4G3D/US) Samsung 830 256GB Noctua U12P SE2 w/ AP14s P-P Windows 7 Pro 
MonitorKeyboardPowerCase
Hannspree 23" SL231 LED Logitech G710+ Seasonic SS-860XP2 Platinum Cardboard box & motherboard tray 
MouseMouse PadAudioAudio
Dying Razer Death Adder Desktop Schiit Magni + Optical Modi Swan M50W 
AudioAudio
Sennheiser HD 600 Samson Meteor Mic w/ pop filter 
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CPUMotherboardGraphicsGraphics
i7 2600k Asus ROG Maximus V Gene Reference EVGA GTX 680 (1306 / 7204) Reference EVGA GTX 680 SC (1280 / 7160) 
RAMHard DriveCoolingOS
16GB Samsung 'Green' 1600 DDR3 (MV-3V4G3D/US) Samsung 830 256GB Noctua U12P SE2 w/ AP14s P-P Windows 7 Pro 
MonitorKeyboardPowerCase
Hannspree 23" SL231 LED Logitech G710+ Seasonic SS-860XP2 Platinum Cardboard box & motherboard tray 
MouseMouse PadAudioAudio
Dying Razer Death Adder Desktop Schiit Magni + Optical Modi Swan M50W 
AudioAudio
Sennheiser HD 600 Samson Meteor Mic w/ pop filter 
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post #12 of 12
The Silver Arrow is not particularly good at lower fan speeds, so the best solution is to get a Prolimatech Genesis or a Thermalright HR-02 and use low rpm fans (500-700rpm), one as intake, one as exhaust and one/two on the heatsink. Thats it...
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k @4,6GHz ASUS P8Z77-I Deluxe Sapphire 7870XT @1,2GHz 16GB DDR3 
Hard DriveCoolingPowerCase
Crucial Noctua U14S & Prolimatech MK26 (+1x Noctua A15) Antec HCP 1300 Lian Li X1000 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570k @4,6GHz ASUS P8Z77-I Deluxe Sapphire 7870XT @1,2GHz 16GB DDR3 
Hard DriveCoolingPowerCase
Crucial Noctua U14S & Prolimatech MK26 (+1x Noctua A15) Antec HCP 1300 Lian Li X1000 
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