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Core2Quad Q9550 C1 Stepping

Last response: in Overclocking
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October 27, 2013 11:19:45 PM

hello i just wanna ask if i can over clock this cpu and what's the maximum i can get?
i have a CM hyper 212 EVO for my cpu cooler. and can you suggest a good board for over clocking this kind of cpu. i prefer gigabyte, asus or asrock brands. thanks in advance.

will be giving best answer
a c 105 K Overclocking
a c 196 V Motherboard
a c 227 à CPUs
a c 82 B Homebuilt system
October 28, 2013 12:46:12 AM

With a CPU that's obsolete there are basically no boards that are still being made for it either. The best overclocking LGA 775 motherboards were the P45 chipset boards. They are almost impossible to find now unless you want to risk a used one. You are stuck with what's on the market and the selection will be small.

Those CPUs will run at about 4Ghz no matter how you cool them, at least with a good board. The Hyper 212 Evo is sufficient for that.
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October 28, 2013 12:48:27 AM

anort3 said:
With a CPU that's obsolete there are basically no boards that are still being made for it either. The best overclocking LGA 775 motherboards were the P45 chipset boards. They are almost impossible to find now unless you want to risk a used one. You are stuck with what's on the market and the selection will be small.

Those CPUs will run at about 4Ghz no matter how you cool them, at least with a good board. The Hyper 212 Evo is sufficient for that.

yes sir im willing to buy used once. any suggestion?
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a c 105 K Overclocking
a c 196 V Motherboard
a c 227 à CPUs
a c 82 B Homebuilt system
October 28, 2013 12:59:01 AM

Ebay or Craigslist or whatever your local equivalents are. I would just buy whatever is available personally. Probably something like a G41. You will still be able to overclock.
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October 28, 2013 1:11:20 AM

anort3 said:
Ebay or Craigslist or whatever your local equivalents are. I would just buy whatever is available personally. Probably something like a G41. You will still be able to overclock.


but i wont reach 4Ghz i guess?
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a c 105 K Overclocking
a c 196 V Motherboard
a c 227 à CPUs
a c 82 B Homebuilt system
October 28, 2013 1:16:27 AM

Probably. With a good power supply and good RAM. The difference is a P45 board might have hit 4.2Ghz. You overclock a Core2 chip via the FSB and some boards have a FSB wall they will not exceed. P45 usually had the highest, most stable clocks. You will never notice the difference. And you will not have to trust a used board that had who knows what done to it.
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October 28, 2013 1:29:14 AM

anort3 said:
Probably. With a good power supply and good RAM. The difference is a P45 board might have hit 4.2Ghz. You overclock a Core2 chip via the FSB and some boards have a FSB wall they will not exceed. P45 usually had the highest, most stable clocks. You will never notice the difference. And you will not have to trust a used board that had who knows what done to it.


ohh. whats the preferred wattage of psu?
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a c 105 K Overclocking
a c 196 V Motherboard
a c 227 à CPUs
a c 82 B Homebuilt system
October 28, 2013 10:20:15 AM

Depends on your GPU. List of power requirements here.

http://www.realhardtechx.com/index_archivos/Page362.htm

By good power supply I mean a quality unit. Not some no name piece of junk that does not provide stable power. This is essential to any system though not just yours.

Good quality brands include Corsair, Seasonic, PC Power and Cooling, XFX, Silverstone, Enermax, OCZ, Antec and the higher efficiency Rosewill models.
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October 28, 2013 5:17:33 PM

anort3 said:
Depends on your GPU. List of power requirements here.

http://www.realhardtechx.com/index_archivos/Page362.htm

By good power supply I mean a quality unit. Not some no name piece of junk that does not provide stable power. This is essential to any system though not just yours.

Good quality brands include Corsair, Seasonic, PC Power and Cooling, XFX, Silverstone, Enermax, OCZ, Antec and the higher efficiency Rosewill models.


i have a seasonic x 460 fanless 80+ gold. planing to upgrade soon.
someone is selling me this mobo, a brandnew one, i think this is a good catch. GIGABYTE GA-EP45-UD3R http://

and GA-EP45T-UD3LR
http://

for $41.83 each.
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Best solution

a c 105 K Overclocking
a c 196 V Motherboard
a c 227 à CPUs
a c 82 B Homebuilt system
October 28, 2013 5:30:43 PM

Well first you have one of the absolute best power supplies on the market and unless you are upgrading to a GPU that needs more power than it supplies you should leave it alone. Any GPU needing more power than that is going to bottleneck with your CPU no matter how high it's clocked.

The Gigabyte GA-EP45-UD3R is an excellent board. I ran an E8400 at 4.050Ghz ( 450FSB ) for almost 3 years with that board and ended up selling it to a friend who gave it to his son and I believe it is still running strong at the same speed. I bought it in 2008.

It looks like the difference is the LR uses DDR3 while the R uses older DDR2. A Core2 does not need and can't really use DDR3 but it may be cheaper to buy DDR3 since DDR2 is no longer made. Either board should be fine with your CPU.
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October 28, 2013 6:45:54 PM

anort3 said:
Well first you have one of the absolute best power supplies on the market and unless you are upgrading to a GPU that needs more power than it supplies you should leave it alone. Any GPU needing more power than that is going to bottleneck with your CPU no matter how high it's clocked.

The Gigabyte GA-EP45-UD3R is an excellent board. I ran an E8400 at 4.050Ghz ( 450FSB ) for almost 3 years with that board and ended up selling it to a friend who gave it to his son and I believe it is still running strong at the same speed. I bought it in 2008.

It looks like the difference is the LR uses DDR3 while the R uses older DDR2. A Core2 does not need and can't really use DDR3 but it may be cheaper to buy DDR3 since DDR2 is no longer made. Either board should be fine with your CPU.


thanks for helping me all the way!
here's a gift from me! THANKS
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a c 105 K Overclocking
a c 196 V Motherboard
a c 227 à CPUs
a c 82 B Homebuilt system
October 28, 2013 6:52:52 PM

Glad to help! :) 
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