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fan placements

post #1 of 28
Thread Starter 
im building a new system with a cooler master haf x case and Noctua NH-D14. i will also be running crossfire if that matters. im going to have the following fans as:
front - intake
side - intake
top - exhaust

i was wondering which should i have my rear as? intake or exhaust? and not sure as to which way i should have my noctua placed. thanks for any suggestions
current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
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WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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post #2 of 28
Thread Starter 
i will also be ordering an extra 200mm fan for the option fan at the top. i was wondering if these options are recommended or should i not worry about them?
-VGA Fan Duct: 120 x 25 mm or 120 x 38 mm fan x 1 (optional)
-VGA Holder: 80 x 15 mm fan x 1 (optional)
current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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post #3 of 28
For one thing, the placement of the rear fan will depend on your heatsink's placement. If you have your heatsink pointing up, the rear fan should be a cool air intake. If you have your heatsink pointing toward the back, obviously the rear should be an exhaust. If you have your heatsink pointing toward the front...well, then you've likely been inhaling fumes and should evacuate to cleaner air.
post #4 of 28
Thread Starter 
lol well yea thats basically the situation i couldnt decide on. whether to place the heatsink towards the rear and have the rear as exhaust or have the heatsink towards the top. im thinking that having the heatsink point towards the top and have the rear fan as intake would probably be the best option, what do you think?
current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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post #5 of 28
I agree...I recently switched to something similar with my CM 690 II and while I don't have lower temps, the temps are stable and don't spike anymore.
post #6 of 28
Thread Starter 
im not sure to whether if i should get these options or if they are not necessary and don't provide much improvement
-VGA Fan Duct: 120 x 25 mm or 120 x 38 mm fan x 1 (optional)
-VGA Holder: 80 x 15 mm fan x 1 (optional)
current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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post #7 of 28
Those 2 options are probably just gimmicks for the most part, but I'm sure there are people who will swear they make a difference. I'd say don't worry too much about them at first, and then test them later to see whether they're worth your time.
post #8 of 28
Your best bet is to have the rear fan as exhaust, and route the d14's airflow that way.
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Wings
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post #9 of 28
Thread Starter 
guess we'll have to see
current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
  hide details  
Reply
current rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @ 4.53 1.32v asus p8p67 deluxe MSI R6970 Lightning G.Skill Ripjaws 8gb DDR3 - 1664 MHz 9-9-8-21 1T 
Hard DriveHard DriveCoolingOS
WD Caviar Black 1.5 TB SATA 3 Gb/s 7200 RPM SAMSUNG 830 Series MZ-7PC256B/WW 256GB SSD Noctua NH-D14 Windows 10 Pro x64 
MonitorPowerCaseAudio
Asus ML238H 23" 1920 x 1080 Corsair Enthusiast Series 850-Watt 80 Plus Bronze CM Haf X Creative Sound Blaster X-Fi Titanium HD 
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post #10 of 28
Cut out your rear grill. Remove your rear fan.

Forward top fan position: intake (airflow down)
D14: front to back.
Rear top fan position:blocked.

Four of your 5.25 slots: 140mm fan. Like this (only better):



So you will end up with this (only much, much better):



With your great case, your fans will be bigger with much better airflow.

Remember: You want to create a wind tunnel with your D14 in the middle of it.
alpha updated
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secundus
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i7 4790k Gigabyte GA-Z97X Gaming-7 Intel HD4600 Crucial Ballistix Sport Very Low Profile 8GB Ki... 
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Samsung 840 EVO 500GB Prolimatech Megahalems Rev. C Windows 8.1 Home Premium 64-bit Acer K242HL 
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Dell SK-8110 (PS/2) Seasonic X460 Fanless motherboard tray from CM ATCS 840 Logitech MX 1100 
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Dell Creative SoundBlaster X-Fi MB3 
CPUMotherboardGraphicsRAM
i7 860 Gigabyte GA P55M UD2 ZOTAC/NVidia GTX 650 Ti 2GB 4x4GB G.Skill Ripjaws DDR3-1333 CAS9 
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Samsung 1TB Spinpoint F3 7200.12 Plextor 24x DVD burner Cooler Master Hyper Z600R Win7 64-bit 
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Dell E207WFP 20-inch flat panel Logitech Wireless 510 Seasonic X-650 fully modular 80+ Gold Lian Li PC-7FN 
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alpha updated
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secundus
(14 items)
 
 
CPUMotherboardGraphicsRAM
i7 4790k Gigabyte GA-Z97X Gaming-7 Intel HD4600 Crucial Ballistix Sport Very Low Profile 8GB Ki... 
Hard DriveCoolingOSMonitor
Samsung 840 EVO 500GB Prolimatech Megahalems Rev. C Windows 8.1 Home Premium 64-bit Acer K242HL 
KeyboardPowerCaseMouse
Dell SK-8110 (PS/2) Seasonic X460 Fanless motherboard tray from CM ATCS 840 Logitech MX 1100 
Mouse PadAudio
Dell Creative SoundBlaster X-Fi MB3 
CPUMotherboardGraphicsRAM
i7 860 Gigabyte GA P55M UD2 ZOTAC/NVidia GTX 650 Ti 2GB 4x4GB G.Skill Ripjaws DDR3-1333 CAS9 
Hard DriveOptical DriveCoolingOS
Samsung 1TB Spinpoint F3 7200.12 Plextor 24x DVD burner Cooler Master Hyper Z600R Win7 64-bit 
MonitorKeyboardPowerCase
Dell E207WFP 20-inch flat panel Logitech Wireless 510 Seasonic X-650 fully modular 80+ Gold Lian Li PC-7FN 
MouseMouse PadAudio
Wireless Mouse WACOM Intuos 3 generic 
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