What is the required powersupply for a msi TwinFrozr gtx 770

Aulle

Commendable
Sep 9, 2016
2
0
1,510
The title says it all. Got said graphic cards form one of my friends, and want to know if its able to be used on my pc. the powersupply of my pc is a LITEON PS-6451-5 which has the supply of 450 watt
 

Aulle

Commendable
Sep 9, 2016
2
0
1,510


Is it easy to switch out the psu on a computer or do i need to buy a new one all together?