i have a toshiba satellite pro s300-121 laptop that has a t3200 can up put in a t5750 it a has 667 bus
or could i put in something higher than the t5750, i have seen them going cheap, i have 4gb of ram
any tips help is much appreciated
I wouldn't do it; most laptop heatsinks are marginal and extra heat could cause your system to crash, epecially if you're using it for gaming. If it works, get a laptop cooler platform with fans. They run about $20 or less with rebate.