toast

ok im upgrading my pc @ christmas and i need your help i need to know is the things im buying are compadale with my motherboard and each other mother board spec. http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00864946&lc=en&cc=uk&dlc=en&product=3344582&rule=35375&lang=en things i need to know if they are compadable with my mother board; http://www.overclockers.co.uk/showproduct.php?prodid=MY-088-CR&groupid=701&catid=8&subcat=144 http://www.tigerdirect.com/applications/searchtools/item-details.asp?EdpNo=3436163&Sku=E145-8810&SRCCODE=YAHOODF&CMP=SPC-YAHOO http://www.overclockers.co.uk/showproduct.php?prodid=CA-024-OC&groupid=701&catid=123&subcat=148