Is 220 watts enough for this computer:
http://www.bestbuy.ca/en-CA/product/acer-acer-axc-605-desktop-pc-intel-core-i3-4130-1tb-hdd-4gb-ram-windows-8-axc-605-er30/10268447.aspx?path=8843bc5a63ab1756803394b6c688f899en02
with a added gt 630:
http://www.bestbuy.ca/en-CA/product/zotac-zotac-gt630-synergy-edition-2gb-ddr3-pci-e-video-card-zt-60403-10h/10229165.aspx?path=0fe2ca27eac38ebc9a73546a4efd5a76en02
http://www.bestbuy.ca/en-CA/product/acer-acer-axc-605-desktop-pc-intel-core-i3-4130-1tb-hdd-4gb-ram-windows-8-axc-605-er30/10268447.aspx?path=8843bc5a63ab1756803394b6c688f899en02
with a added gt 630:
http://www.bestbuy.ca/en-CA/product/zotac-zotac-gt630-synergy-edition-2gb-ddr3-pci-e-video-card-zt-60403-10h/10229165.aspx?path=0fe2ca27eac38ebc9a73546a4efd5a76en02