Is these all the PC things ok?

[gm886886]

Is these all the PC things ok?
Main board Asus mp a2m5
Cow : Seventeen 420w
Ram: SynMax 667Mhz512mb*2
CPU:AMD 3500+
1. +外置 2tbHD is 'ok?
2. Ram is DDR2 , 2GB*4 =8GB is ok?
3. CPU[change cpu ]= buget = AMD,HKD=1000,ok?

 

[fannyplance]

good to go