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Safe PCH Max Temperature on a Sabertooth x79? PCH fan Smothered by GPU.

post #1 of 4
Thread Starter 
Hey guys, I had to RMA a 980 Ti last week and one of the problems I was having outside of the card itself being broken is that on my x79 Sabertooth the GPU was so large it actually smothered the fan on the heatsink for my PCH. This made the temperature go up to around 62 degrees Celsius which prompted a warning from the thermal radar program. My question is how hot can the PCH actually get?

I have to repurchase a new 980 Ti and i'm not sure what to do because most of them are bigger than the EVGA 980 Ti i had before and will probably completely cover the PCH fan to where the fan will be drawing air through the heatsink fins on the GPU.

I can't use the second PCIe slot because i need the PCI expansion slot for my old 200 dollar Claro Halo soundcard and I can't use the 3rd PCie expansion slot because it runs at x8 *or can i ? *

Any ideas would help. Thanks.
post #2 of 4
I can't answer all your questions, but I can say that 60c and lower is fine. 50c is the most common temperature for a wide range of boards on the X79 and Z77 platform.
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X79-GCN
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Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
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Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
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EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
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post #3 of 4
While i am unsure of X79, top temps for thwe PCH on almost anything socket 115x is 60-70c. Of course, the cooler the better, especially if it gets used a lot (lots of HDD/SSD's, lots of USB devices, extra PCI-E cards not connected to the main CPU lanes).

My RIVBE gets up to 65c while benching, but it's mostly because my GPU blows part of the hot air on it when at full throttle. When i am just surfing the net and other light stuff, it barely gets over 49-50c.
X79 The Hydra
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X79 The Hydra
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i865G Chronos
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Hard DriveOptical DriveCoolingOS
Samsung MMBRE64GHDXP-MVBD1 Samsung SH-222 Thermalright Ultima-90 Windows 98 SE 
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Windows XP Professional 32 bit Dell SP2309W Genius SlimStar 8000 Generic 500w PSU 
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post #4 of 4
http://ark.intel.com/products/64015/Intel-BD82X79-PCH

The PCH itself is probably fine to the max TCASE (92.7C), but chances are your temp sensor isn't reading actual PCH temp.

I probably wouldn't worry until it said 70C, or you started noticing issues.
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Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
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Fractal Design Define R4 Logitech G402 Realtek ALC1150 + M-Audio AV40 
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X5670 @ 4.4/3.2GHz core/uncore, 1.36 vcore, 1.2... Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 2000, 10-11-11-30-T1,... 
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Primary
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In progress
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CPUMotherboardGraphicsRAM
5820K @ 4.3/3.6GHz core/uncore, 1.225/1.2v Gigabyte X99 SOC Champion (F22n) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-11-12-27-T1, 1.37v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
OSMonitorKeyboardPower
Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 Logitech G402 Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 @ 4.4/3.2GHz core/uncore, 1.36 vcore, 1.2... Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 2000, 10-11-11-30-T1,... 
RAMHard DriveHard DriveHard Drive
1x Crucial BLT4G3D1608ET3LX0 @ 2000, 10-11-11-3... OCZ (Toshiba) Trion 150 120GB Hyundai Sapphire 120GB 3x Hitachi Deskstar 7k1000.C 1TB 
CoolingOSPowerCase
Noctua NH-D14 Windows 7 Pro x64 SP1 Antec TP-750 Fractal Design R5 
Audio
ASUS Xonar DS 
CPUMotherboardGraphicsRAM
i7-6800K @ 4.3/3.5GHz core/uncore, 1.36/1.2v ASRock X99 OC Formula (P3.10) GTX 780 (temporary) 4x4GiB Crucial DDR4-2400 @ 11-13-12-28-T2, 1.33v 
Hard DriveHard DriveCoolingOS
Intel 600p 256GB NVMe 2x HGST Travelstar 7k1000 1TB Corsair H55 (temporary) Windows Server 2016 Datacenter 
PowerCase
Seasonic SS-860XP2 Corsair Carbide Air 540 
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