Is all this stuff compatable to build my own computer.?
First off, If i were you i would do all my ordering from Newegg.com. they have the best reputation in the industry and are considered the go-to place for computer shopping. They also have incredible customer service and prices, but it looks as thought you are in Europe so it might be a bit inconvenient to ship overseas, i dont know. Anyways, you need DDR2 DIMM ram, this is the standard nowadays for desktops. You will also need a graphics card because the motherboard you selected does not have integrated graphics (meaning it doesnt have a graphics card built into it) you need a PCI-e 16x card (they call it PCI EXPRESS on that website, you dont want 2.0), you can get a good one for pretty cheap, Nvidia is the choice in my opinion and experience http://www.pcworld.co.uk/martprd/store/pcw_page.jsp?BV_SessionID=@@@@1495983894.1216392460@@@@&BV_EngineID=ccceadeejfjddfmcflgceggdhhmdgmh.0&page=Product&fm=null&sm=null&tm=null&sku=584717&category_oid= theres a good cheap card, it looks like you