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E7400 max temperature

post #1 of 2
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Hi I'm new to overclock so this may sound noob to ask. I have an intel e7400 and the max temperature recommended by the manufacturer is 74ºC. To establish a line that I should not cross when overclocking, what max temperature you recommend to my cpu while, for example, running the prime95 small ftt test?
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Rubbish
(15 items)
 
  
CPUMotherboardGraphicsRAM
E7400 @ 4ghz 1.376v Asus P5Q3 Sapphire HD6870 Kingston 4GB DDR3 1333MHZ 
Hard DriveHard DriveOSOS
Samsung Spinpoint F3 WD Green Windows 7 64bit Lubuntu 64bit 
PowerCaseMouse
OCZ ModXStream 700W Cooler Master 690 II with side window Razer Deathadder Black Edition 
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Reply
post #2 of 2
74°C is actually just the "Tcase" specification which means that this is not the maximum safe temperature for the cores. Instead, the maximum safe temperature for the cores is basically the Tj. Max (which is a spec for the core temperatures). The Tj. Max is the "Thermaljunction Maximum" which is where the CPU would either turn itself off or throttle itself down if that core temperature were reached. For CPUs like the E7400, the Tj. Max is 95-100°C.

But for the sake of stability while stress testing an overclocked system, I recommend trying to keep the load temperatures out of the mid to high 70s because this may result in a failed stress test just due to the heat. I mean, excessive heat can easily cause instability when the system is otherwise rock-solid stable. But this doesn't mean that the mid to high 70s are physically unsafe; it's just a general area to stay away from while running a stress test to test an overclock because it may result in a failed test simply due to the heat and not due to instability.
    
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.384 - 1.392V) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:) 250 GB Samsung 840 EVO (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Thermaltake Frio Win 7 Home Premium x64 SP1 Retail Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
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Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Microsoft Intellimouse Optical (not 1.1A) Basic, but premium round 
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X-Fi Titanium HD Altec Lansing VS4121 (2.1 speaker system) 
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.384 - 1.392V) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (C:) 250 GB Samsung 840 EVO (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Microsoft Intellimouse Optical (not 1.1A) Basic, but premium round 
AudioOther
X-Fi Titanium HD Altec Lansing VS4121 (2.1 speaker system) 
  hide details  
Reply
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