So, I've bought a Motherboard, CPU, RAM and a PSU to upgrade my computer, after building it, the system starts freezing at random moments, I suspected of the RAM, but after replacing it the problem continued, I tested three different PSU, two different HD, and the problem continued, the computer only worked normally when I tried placing two DDR2 memory and a different CPU, the Athlon 64, (the motherboard supports AM2, AM2+,AM3 and AM3+ cpu) which means that the motherboard also works correctly. So I concluded that the only thing that could be the source of those freezings was the CPU, but I don't really know why it happens, and I want to be sure before trying to get another CPU.
(the temperature of the cpu stays around 26°C so I don't think that it is overheating)
Here's my system:
CPU: AMD FX-4300 Black Edition
RAM: 8GB Kingston's HyperX DDR3
Video Card: NVIDEA GeForce 8500 GT
HD: 80gb and 150gb SATA
Windows 7 64-bit
Thank you and sry for the bad english.
Edit: Every time that I switch the Athlon 64 to the FX 4300, the free space on my HD drops from 11GB to 15MB.