Toshiba Satellite U400-14Z upgrade to a faster processor - which is the most rapid possible?

Hello.

I want to upgrade an old Toshiba Satellite U400-14Z (http://www.toshiba.eu/discontinued-p...lite-u400-14z/) a little by changing the CPU. Initially there is a processor Intel Core 2 Duo P8400 with FSB to 1066 MHz but I thought to put there P9700 or P9500. It seems that they are similar, specification is exactly, except the speed and the amount of memory cache level 2. The question is: would this work?
I also found CPU called T9900, which is the fastest of the family. However, T-line requires more power than the line P, 25W to 35W in comparison. Is it possible that she would work in this phone?
Maybe there's even some CPU more Rapids that would fit. Y at - it all? I'm looking for the maximum possible speed.
Thank you for the answers.

Concerning
Lucas

Posted by fel81
Hello.

Maybe there's even some CPU more Rapids that would fit. Y at - it all? I'm looking for the maximum possible speed.

I found Intel® Core 2 Extreme Processor QX9300 who might be compatible. It has 4 cores and a thermal power of 45W design, compared to P8400 of TDP 25W. I suspect that the cooling of this laptop is insufficient to be able to disperse the money.

Tags: Toshiba

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