The Essential Guide To PC Memory

How much memory does Vista really need? What about Windows XP? And what the heck does DDR mean? How much money will a memory upgrade cost, and where do you buy it? We'll answer these questions and more, briefing you on the essentials of PC memory technology and saving you a great deal of money and hassle. Whether you're building a new system from scratch or upgrading, you'll find PC Magazine Labs–tested advice you won't get anywhere else.