so you need the network adapter which come with the cd, so yes the only thing you need is the network adapter which costs 10 pounds
If u never played socom 2 you will love socom 3 but if u were amazing at socom 2 and about to get socom 3 u will hate it... that wat happened to me anyway...
but it would be so different for EU players because of central station, thats why we havnt got it yet