is ASUS M5A78L LE good for overclocking?

Nope you cant OC on that board.
Get a 990FX chispet mobo. Or a 970 chipset motherboard if you cant get a 990FX motherboard.
Also get an aftermarket CPU Cooler like the CM 212 EVO which can cool the CPU and keep it below 65'C on full load.
Stock cooler can't be used for OC.motherboard.
 

miranche1

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why do you think i cant ? my friend OC-ed fx 8320 to 4.5GHz on this mobo :D
 
Your friend ought to be lucky. That board is a budget board which isnt meant to be OCing. Your system could blow up any minute even if you manage to OC.
The board can go till 125W , go above it to blow something up.
Is your friend using Turbo Key or something like that ?
 

miranche1

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yes turbo key :D ASUS M5A88-V EVO so is this one good for oc ?