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SG08 Watercooled, 280 mm Radiator - Page 6

post #51 of 59
Quote:
Originally Posted by hybster View Post

Pick the one I have used, or a cpu block with pump built in?

Yea, I'm considering the latter. Going to do some measurements tonight. Thanks again for the inspiration. I'll stop threadjacking!
mitx
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mitx
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post #52 of 59
Quote:
Originally Posted by ryboto View Post

Yea, I'm considering the latter. Going to do some measurements tonight. Thanks again for the inspiration. I'll stop threadjacking!

edit- one last thing. Is the SX600-G really that bad? Specs say it's a single 50A 12V, so how could it be the same as the 450W unit to the VGA power connectors?

edit- failed edit. I'm just going to be patient and wait for this thing-
Edited by ryboto - 10/22/15 at 1:37pm
mitx
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mitx
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post #53 of 59
Thread Starter 
Quote:
Originally Posted by ryboto View Post

edit- one last thing. Is the SX600-G really that bad? Specs say it's a single 50A 12V, so how could it be the same as the 450W unit to the VGA power connectors?

All I know is that when trying to overclock a gtx 780 at high power, the 450 and 600w units both fail (switch off system) at the same power load. This means that the 12V rail OCP is identical. I have no idea of how to pull 600w from that unit... Silverstone customer service did not seem to care to help me, just claiming that I am running too much current on the gpu.
Of course I am!.. Still, if the unit cant deliver 35A for the gpu, it has failed IMO.

Running my gtx 780 at 1450/7200 at 1.35v on the core. No problems so far, but water does go to 50 C smile.gif Using a evga p2 850 - amazing kit!
post #54 of 59
So, here's a crazy thought - I could fit an 80mm thick radiator with 15mm thick Prolimatech 140mm fans if I get an SFX height(63.5mm) PSU.... think that's worth it, or just go with 60MM thick rad and and standard thickness fans?

edit-I think the 80mm would make having a pump and res, or a block/pump combo almost impossible...so I'll stick to considering the 60 for now.
Edited by ryboto - 10/23/15 at 12:55pm
mitx
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mitx
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post #55 of 59
Thread Starter 
Quote:
Originally Posted by ryboto View Post

So, here's a crazy thought - I could fit an 80mm thick radiator with 15mm thick Prolimatech 140mm fans if I get an SFX height(63.5mm) PSU.... think that's worth it, or just go with 60MM thick rad and and standard thickness fans?

edit-I think the 80mm would make having a pump and res, or a block/pump combo almost impossible...so I'll stick to considering the 60 for now.

I think the 45mm I am using is probably too thick. You should think more about fan depth, as there is very little correlation with radiator cooling capacity and depth (as long as fan speed is ca. 1000 rpm) - check martinsliquidlab. How about 2x 25mm fans and a 30 mm rad? This would not work with normal height PSUs though, ONLY sfx or slimmer.
post #56 of 59
Quote:
Originally Posted by hybster View Post

I think the 45mm I am using is probably too thick. You should think more about fan depth, as there is very little correlation with radiator cooling capacity and depth (as long as fan speed is ca. 1000 rpm) - check martinsliquidlab. How about 2x 25mm fans and a 30 mm rad? This would not work with normal height PSUs though, ONLY sfx or slimmer.

The more surface area for cooling, the better. I understand the liquid volume of a 60mm rad might not be that much more, but all of my understanding of heat transfer says it's a better bet for the thermal load I've got with the 290x. A liberal estimation of dimensions suggests I'd have ~6mm of room with an SFX PSU, 4 fans and a 60mm rad. I didn't do any physical measurements yet though.
mitx
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Intel i5 3570K 4.5ghz ASRock Z77E-ITX Sapphire R9 290x Tri-X 1200/1500 Crucial Ballistix Tactical LP 2x8 GB 8-8-8-24-1T 
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mitx
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post #57 of 59
Thread Starter 
Quote:
Originally Posted by ryboto View Post

The more surface area for cooling, the better. I understand the liquid volume of a 60mm rad might not be that much more, but all of my understanding of heat transfer says it's a better bet for the thermal load I've got with the 290x. A liberal estimation of dimensions suggests I'd have ~6mm of room with an SFX PSU, 4 fans and a 60mm rad. I didn't do any physical measurements yet though.

Ideally, yes - but with higher rad depth, the air pressure drop and air flow rate will both be worse. Again, check martins site - the cooling from a 30mm and 45mm alphacool rads at 1000 rpm is VERY close.

My setup had 5mm free space at the top (top fan to external case), and 15mm at the bottom (bottom fan to PSU). To my mind, you should stick with 45mm max radiator and focus on sandwiched 25mm thick fans. If you decrease the space just above the PSU, you could really kill off air flow.

One thing I was toying a bit with was to flip the PSU so the psu fan would be pointing *into* the rad (and flipping the fan inside the PSU of course, or the the top rad fan). This could allow for a very nice cooling WITH a normal ATX PSU.. Might take some doing smile.gif

Let me know how you are progressing!
post #58 of 59
Quote:
Originally Posted by hybster View Post

Ideally, yes - but with higher rad depth, the air pressure drop and air flow rate will both be worse. Again, check martins site - the cooling from a 30mm and 45mm alphacool rads at 1000 rpm is VERY close.

My setup had 5mm free space at the top (top fan to external case), and 15mm at the bottom (bottom fan to PSU). To my mind, you should stick with 45mm max radiator and focus on sandwiched 25mm thick fans. If you decrease the space just above the PSU, you could really kill off air flow.

One thing I was toying a bit with was to flip the PSU so the psu fan would be pointing *into* the rad (and flipping the fan inside the PSU of course, or the the top rad fan). This could allow for a very nice cooling WITH a normal ATX PSU.. Might take some doing smile.gif

Let me know how you are progressing!

Why not have the PSU fan drawing air from the fan above it? It would possibly be warmed by the Rad, but not by that much. If I'm going with an 80plus Platinum PSU, it should be able to handle the added heat anyway fairly well.
mitx
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 3570K 4.5ghz ASRock Z77E-ITX Sapphire R9 290x Tri-X 1200/1500 Crucial Ballistix Tactical LP 2x8 GB 8-8-8-24-1T 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro 256gb Western Digital Velociraptor Western Digital WD15EARX Western Digital WD15EADS 
CoolingOSMonitorKeyboard
Silverstone NT06-Pro Windows 10 x64 LG 29UM67 Logitech G710+ 
PowerCaseMouseAudio
Silverstone SG08 600W PSU Silverstone SG08B Logitech G700 Pioneer SE-A1000 
  hide details  
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mitx
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CPUMotherboardGraphicsRAM
Intel i5 3570K 4.5ghz ASRock Z77E-ITX Sapphire R9 290x Tri-X 1200/1500 Crucial Ballistix Tactical LP 2x8 GB 8-8-8-24-1T 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro 256gb Western Digital Velociraptor Western Digital WD15EARX Western Digital WD15EADS 
CoolingOSMonitorKeyboard
Silverstone NT06-Pro Windows 10 x64 LG 29UM67 Logitech G710+ 
PowerCaseMouseAudio
Silverstone SG08 600W PSU Silverstone SG08B Logitech G700 Pioneer SE-A1000 
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post #59 of 59
Thread Starter 
Quote:
Originally Posted by ryboto View Post

Why not have the PSU fan drawing air from the fan above it? It would possibly be warmed by the Rad, but not by that much. If I'm going with an 80plus Platinum PSU, it should be able to handle the added heat anyway fairly well.

yep.
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