Would the 'Antec 450W ATX Power Supply' Fit Into My Dell Vostro 200 Min-Tower Case?

[breatht]

So hi guys, I'm really new into like upgrading and things and i have no clue about compatibility issues or not, So. I thought i'd ask you guys this question if the Antec 450W ATX Power Supply would fit into my Dell Vostro 200 Mini-Tower case because i had this pc for like 5 or more years, And uh i'd like to make it a bit faster with upgrades, I'm currently getting a new CPU and Power Supply: http://ca.pcpartpicker.com/p/HCzbCJ <----- (Where you can see what i'm buying for it, Also i'd like to ask for some suggestions, Like tell me some things that would help make this pc better/faster! Thanks.) so yeah, Thanks everyone for reading and trying to help me out! Means allot.

 

[clutchc]

If this is your PC: http://mans.io/images/1004072/1014717.jpg
...it takes a std. ATX PSU. The antec will fit fine if it is an ATX PSU. But since antec makes more than one 450W PSU, it would be best to link me to the model in question.