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[Official] Corsair Obsidian 900D/800D/750D/700D/650D/550D/450D/350D/250D Club - Page 556

post #5551 of 8657
Quote:
Originally Posted by NitrousX View Post

I'm in a bit of a dilemma and need some advice. So I transferred all my parts to my 900D and right off all the bat I noticed my load temps for both the CPU and GPU are significantly higher. Previously with my HAF 932, my CPU hardly exceeded 65C and the GPU stayed between 57-63C (1:1 fan curve) when gaming. With the 900D, my CPU is hitting 70C and GPU is hitting 68-70C in game. Idle temps have increased a good couple of degrees as well. I'm baffled as to why my temps are so much higher with the 900D. Here's how I have my fans set up - I have my 120mm rad mounted in the back of the case with two Cougar Vortex fans (push/pull) pulling air into the case. At the top of the case I have three CoolerMaster 140mm fans pushing air out of the case. And I have the included front Corsair 120mm fans pulling air into the case. The bottom mounted PSU is also pulling air and exhausting it out the back. This airflow direction was how I had my system setup in the HAF 932 so I'm unsure as to what could account for the significantly higher temps. Would replacing the top fans and adding adding additional fans at the bottom of the case, say with GT AP-15' - four up top and four at the bottom - help bring down temps or is there something wrong with the way my fans are positioned? headscratch.gif Any help would be much appreciated, thanks.

It probably has more to do with the length of the case and how much positive pressure you have. The closer those fans were to the CPU and GPU probably helped make a difference in your average temps whereas now that airflow has much further to go so it's not getting as much airflow as it did prior. I've seen a few people have reversed the rear 140mm fan so that it brings air in instead of exhaust, then just exhaust out the top. The back of the case is so well vented that exhausting shouldn't be much of an issue to say the least. Do you/could you take a picture of your setup to see the layout?
post #5552 of 8657
Quote:
Originally Posted by DUpgrade View Post

It probably has more to do with the length of the case and how much positive pressure you have. The closer those fans were to the CPU and GPU probably helped make a difference in your average temps whereas now that airflow has much further to go so it's not getting as much airflow as it did prior. I've seen a few people have reversed the rear 140mm fan so that it brings air in instead of exhaust, then just exhaust out the top. The back of the case is so well vented that exhausting shouldn't be much of an issue to say the least. Do you/could you take a picture of your setup to see the layout?

The two fans that are attached to the radiator at the back of the case is pulling air in. I'll take a picture once I get off of work tonight. Do you think replacing the top fans and adding some fans at the bottom of the case will rectify the high temps issue?
Destructor
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Destructor
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post #5553 of 8657
How should I set my fans in 900D with reference 780

Default fan configuration of 900d plus swiftech h220 help please
Turcoman Rig
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Turcoman Rig
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post #5554 of 8657



Please Add smile.gif
post #5555 of 8657
^ Great airflow on that 900D considering you're doing air and water. I'm trying to figure out how your pump is working though with the top inlet closed I guess you have something going on under it? Awesome mods on that pump though with the cover I'm in the process of putting my WC loop together and those MCP655 covers look amazing. Welcome to the club! thumb.gif
post #5556 of 8657
Quote:
Originally Posted by DUpgrade View Post

^ Great airflow on that 900D considering you're doing air and water. I'm trying to figure out how your pump is working though with the top inlet closed I guess you have something going on under it? Awesome mods on that pump though with the cover I'm in the process of putting my WC loop together and those MCP655 covers look amazing. Welcome to the club! thumb.gif

Thanks man biggrin.gif

There is an "INput" on the bottom.

Edited by 209ham - 7/17/13 at 11:01am
post #5557 of 8657
Quote:
Originally Posted by 209ham View Post

Quote:
Originally Posted by DUpgrade View Post

^ Great airflow on that 900D considering you're doing air and water. I'm trying to figure out how your pump is working though with the top inlet closed I guess you have something going on under it? Awesome mods on that pump though with the cover I'm in the process of putting my WC loop together and those MCP655 covers look amazing. Welcome to the club! thumb.gif

Thanks man biggrin.gif

There is an "INput" on the bottom.

I guess that works then. Maybe it's just me or the fact I'm a bit new to custom WC loops but the distance to the top intake would be shorter, granted you would need 90 degree fittings (more $$$) to get the angle better. It had just got me thinking about where the drain port might go in my rig. I didn't even notice you have 2 more fans down there under that pump. That's a lot of fans are those all SP120 (hopefully) quiet versions?
post #5558 of 8657
Quote:
Originally Posted by DUpgrade View Post

I guess that works then. Maybe it's just me or the fact I'm a bit new to custom WC loops but the distance to the top intake would be shorter, granted you would need 90 degree fittings (more $$$) to get the angle better. It had just got me thinking about where the drain port might go in my rig. I didn't even notice you have 2 more fans down there under that pump. That's a lot of fans are those all SP120 (hopefully) quiet versions?

Yeah, I plan on changing some things up once I WC my GTX 780s. I plan on switching the IN to the front, using the bottom as a drain.

They are all SP120 Statics. The bottom 6 have the voltage regulators attached to quite them down some since I don't need amazing flow on the bottom. I honestly don't care about sound in my case, find the low hum rather soothing, so that wasn't a concern of mine when building.
post #5559 of 8657
Made a little head way on the beast. Still waiting on some more parts to arrive to finish this thing up.




Edited by justplainslow - 7/18/13 at 5:28am
post #5560 of 8657
My "900D Elite" powder coated in Candy Blue with DVD Stealth Mod, hand made sleeved extensions and a few others biggrin.gif











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