Is this a good PSU for my Build-
http://www.amazon.co.uk/gp/product/B004RJ8EKI/ref=s9_simh_gw_p147_d0_i1?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=center-2&pf_rd_r=1VH8AYPXZ88AJ8FWY0QQ&pf_rd_t=101&pf_rd_p=455344027&pf_rd_i=468294
XFX ATX 550 Power Supply - P1550SXXB9
AMD FX8320
Asus M5A78L-M/USB3 Motherboard
Asus HD 7790 Direct CU II OC
4GB ram - Soon will be 8
500GB Hard drive
1 Case fan
Dvd drive- Samsung normal
http://www.amazon.co.uk/gp/product/B004RJ8EKI/ref=s9_simh_gw_p147_d0_i1?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=center-2&pf_rd_r=1VH8AYPXZ88AJ8FWY0QQ&pf_rd_t=101&pf_rd_p=455344027&pf_rd_i=468294
XFX ATX 550 Power Supply - P1550SXXB9
AMD FX8320
Asus M5A78L-M/USB3 Motherboard
Asus HD 7790 Direct CU II OC
4GB ram - Soon will be 8
500GB Hard drive
1 Case fan
Dvd drive- Samsung normal