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OCN Dave's Air Cooling Guide - Page 7

post #61 of 2323
Quote:
Originally Posted by DaveLT View Post

Don't bother with 140mm. I've been very dissapointed with most of them. There aren't any cheap delta 140x25 (I'm not even sure if they exist)
Arc Midi R2 has a lame excuse for a filter right? - A foam filter that is
I got a few new deltas and i don't experience ticking issues anymore ... Strange. I tested my FFB again and it doesn't exhibit that. Again very strange

I think the idea is to reduce noise. The filters do get rid of most of the dust, though the one on the bottom is very thin.

Unfortunately Delta only seem to be available in the US mad.gif which means customs and VAT and shipping for me. As far as I can tell they almost all hit 40+dB and pull crazy amounts of power - I assume a good PWM fan controller would sort that out but that just adds to the cost. The operating voltages can't be dropped far, but with PWM how low can you go before the fan stops being useful? 30% or even lower? Maybe in a few years when I do a full custom build, but for now I'll wait. Will definitely be pointing people to this thread though, you cleared up a lot of things (and I even understand the names now smile.gif )
post #62 of 2323
Thread Starter 
Uh, not all deltas hit 40+dB (no, they don't) and they don't pull crazy power. Look at my FFB1212VHE. Pushes 152CFM and only pulls 1A (not 1.5A, that's the surge current) I am going to use it with my motherboard with the power plugged it through molex

These aren't your typical PWM fans either. They will go below 10% but they won't stop. 550rpm is the minimum for my afb1212h at about 10% i think?

Haha absolutely tongue.gif
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post #63 of 2323
Really? I was just going off their site's specs, as far as I can see only a few fans dip below 40dB. The 140mm ones would be quite tempting if they weren't so ridiculously expensive - most go for higher CFM and sameish static pressure, so should be very quiet and effective in the 10% to 30% speed range. Though they all seem to be above 12V mad.gif

Does speed/cfm/static pressure drop linearly using PWM? Delta's have ridiculous pressure so that isn't a concern, but noise is the big concern. If that drops linearly I could run a 200CFM fan at 25% and get <20dB which would be pretty amazing.
post #64 of 2323
Thread Starter 
Quote:
Originally Posted by Moragg View Post

Really? I was just going off their site's specs, as far as I can see only a few fans dip below 40dB. The 140mm ones would be quite tempting if they weren't so ridiculously expensive - most go for higher CFM and sameish static pressure, so should be very quiet and effective in the 10% to 30% speed range. Though they all seem to be above 12V mad.gif

Does speed/cfm/static pressure drop linearly using PWM? Delta's have ridiculous pressure so that isn't a concern, but noise is the big concern. If that drops linearly I could run a 200CFM fan at 25% and get <20dB which would be pretty amazing.
Every fan size increase gives you more CFM but a big drop in static pressure - You need to make it thicker or else the static pressure falls exponentially
120mm (Of all 25mm thick fans) fans are the most balanced when it comes to CFM-Static pressure ratio

Yes, speed/cfm/static pressure drop linearly
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post #65 of 2323
Guys I have a few questions, hoping you guys could answer them here.

1. According to OP, the top fan should be set to intake and not exhaust. Is this correct?
2. I have a Phanteks PH-TC12DX that comes with two fans. Should these both be facing the same direction, which is: case exhaust fan | rear heatsink fan exhausting | Heatsink | front heatsink fan intaking | front of case
3. I have a top mounted PSU, should this have the fan facing up or down? I do have vents on the top of my case, so I'm not sure which option to take. If it is facing up, it is getting cool air and exhausting immediately, while if its facing down, it is getting warm air from the Phanteks and exhausting it.
post #66 of 2323
Thread Starter 
1) Yes.
2) Yes.
3) Facing down yes but i can't imagine you have a case that has the PSU top-mounted ... Your PSU is top mounted and the case has vents for it? Face it up then
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FSP Aurum PT 1200 CM Storm Mizar 
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Intel i7 2600 4GHz Gigabyte Z77X D3H Intel HD Graphics 2000 obviously Kingston HyperX Genesis 4X4GB DDR3 1600 
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Intel 530 240GB Deepcool Captain 240 Arctic Cooling Bionix 140 Delta AFB1212L 
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Ayase Eli
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Hard DriveHard DriveHard DriveCooling
Zotac SSD Premium 480GB OCZ Vector 180 480GB Hitachi 7K3000 3TB 7200rpm ID Cooling Frostflow 240L 
CoolingCoolingCoolingCooling
ID Cooling Frostflow 240G Phanteks F140MP x2 CoolerMaster Silencio FP120 x2 Phanteks F140SP 
CoolingMonitorKeyboardPower
Delta AFB1212SH x2 Dell U2713HM CM Storm MECH FSP Aurum PT 1200 
CaseMouseMouse PadAudio
Phanteks Enthoo Pro Logitech G102 Tesoro Aegis X3 Virtus.Pro AKG K7XX 
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FSP Aurum PT 1200 CM Storm Mizar 
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Intel i7 2600 4GHz Gigabyte Z77X D3H Intel HD Graphics 2000 obviously Kingston HyperX Genesis 4X4GB DDR3 1600 
Hard DriveCoolingCoolingCooling
Intel 530 240GB Deepcool Captain 240 Arctic Cooling Bionix 140 Delta AFB1212L 
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post #67 of 2323
Quote:
Originally Posted by DaveLT View Post

1) Yes.
2) Yes.
3) Facing down yes but i can't imagine you have a case that has the PSU top-mounted ... Your PSU is top mounted and the case has vents for it? Face it up then

Thanks for answering all my questions.

Regarding question 3:

http://pretaktovani.cz/text/obr2/Thermaltake-Xaser-VI-Super-Tower-Chassis2.jpg

This is my case. In the picture you can see the PSU location (top left), and two vents on the top cover of the case that allow air to come through.

In this case, I should keep the PSU face up for better airflow right?
Should I decide to put it face down (cabling will look better this way), will it have a big difference in temperatures, or will it be irrelevant?
post #68 of 2323
Thread Starter 
Facing up. It will be a sore thumb to everything else, acting as a secondary exhaust wink.gif

It will definitely have a effect on PSU longevity, in this case it's longer if you face it up.
Ayase Eli
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CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700 ASRock X370 SLI Killer Zotac GTX1070 "FE" with ID Cooling Frostflow 240G Crucial BallistiX Sport LP 16GB 8x2GB 
Hard DriveHard DriveHard DriveCooling
Zotac SSD Premium 480GB OCZ Vector 180 480GB Hitachi 7K3000 3TB 7200rpm ID Cooling Frostflow 240L 
CoolingCoolingCoolingCooling
ID Cooling Frostflow 240G Phanteks F140MP x2 CoolerMaster Silencio FP120 x2 Phanteks F140SP 
CoolingMonitorKeyboardPower
Delta AFB1212SH x2 Dell U2713HM CM Storm MECH FSP Aurum PT 1200 
CaseMouseMouse PadAudio
Phanteks Enthoo Pro Logitech G102 Tesoro Aegis X3 Virtus.Pro AKG K7XX 
CPUMotherboardGraphicsRAM
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Hard DriveCoolingMonitorKeyboard
Plextor M5S Depends Dell U2312HM CM Storm Quickfire Rapid-i 
PowerMouse
FSP Aurum PT 1200 CM Storm Mizar 
CPUMotherboardGraphicsRAM
Intel i7 2600 4GHz Gigabyte Z77X D3H Intel HD Graphics 2000 obviously Kingston HyperX Genesis 4X4GB DDR3 1600 
Hard DriveCoolingCoolingCooling
Intel 530 240GB Deepcool Captain 240 Arctic Cooling Bionix 140 Delta AFB1212L 
OSPowerCase
Windows 10 Pro CoolerMaster G750M NZXT Switch 810 
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Ayase Eli
(20 items)
 
Testbench
(10 items)
 
MC Server
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CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700 ASRock X370 SLI Killer Zotac GTX1070 "FE" with ID Cooling Frostflow 240G Crucial BallistiX Sport LP 16GB 8x2GB 
Hard DriveHard DriveHard DriveCooling
Zotac SSD Premium 480GB OCZ Vector 180 480GB Hitachi 7K3000 3TB 7200rpm ID Cooling Frostflow 240L 
CoolingCoolingCoolingCooling
ID Cooling Frostflow 240G Phanteks F140MP x2 CoolerMaster Silencio FP120 x2 Phanteks F140SP 
CoolingMonitorKeyboardPower
Delta AFB1212SH x2 Dell U2713HM CM Storm MECH FSP Aurum PT 1200 
CaseMouseMouse PadAudio
Phanteks Enthoo Pro Logitech G102 Tesoro Aegis X3 Virtus.Pro AKG K7XX 
CPUMotherboardGraphicsRAM
Intel i7 6700k Gigabyte Z170X-UD5 Depends Depends 
Hard DriveCoolingMonitorKeyboard
Plextor M5S Depends Dell U2312HM CM Storm Quickfire Rapid-i 
PowerMouse
FSP Aurum PT 1200 CM Storm Mizar 
CPUMotherboardGraphicsRAM
Intel i7 2600 4GHz Gigabyte Z77X D3H Intel HD Graphics 2000 obviously Kingston HyperX Genesis 4X4GB DDR3 1600 
Hard DriveCoolingCoolingCooling
Intel 530 240GB Deepcool Captain 240 Arctic Cooling Bionix 140 Delta AFB1212L 
OSPowerCase
Windows 10 Pro CoolerMaster G750M NZXT Switch 810 
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post #69 of 2323
Quote:
Originally Posted by DaveLT View Post

Facing up. It will be a sore thumb to everything else, acting as a secondary exhaust wink.gif

It will definitely have a effect on PSU longevity, in this case it's longer if you face it up.

Thought so. It will look a bit messier face up, however it probably is more worth it that way since it will be getting cooler air constantly rather than sucking in the case's hot air.

Thanks for clearing everything up!
post #70 of 2323
So I have a 120mm rad with push/pull. Should I mount it as the rear exhaust or should I mount it at the top of the case? I have room for 2 120mm fans at the top, the case is a CM Storm Trooper
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