?The Lenovo ThinkPad T420 is a typical-looking 14-inch business laptop that has a few things going for it. First, it has really good performance due to its Intel Core i5 CPU and 4GB of RAM. It also has a decent amount of connectivity, including eSATA, and extra long battery life.?"
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips