With the new Phenom II X4 980 Black Edition CPU, AMD has upped the speed for their existing AM2+/AM3 platform. The Phenom II X4 980BE clocks in with a stock speed of 3.7Ghz, making it the fastest out of the box clock speed AMD currently offers. With an unlocked multiplier, the Phenom II X4 980BE also invites you to explore overclocking and see just how much more speed you can get. The Phenom II 980BE also sports a full 2MB L2 cache and 6MB L3 cache. In the AM3 platform, the onboard memory controller is able to take full advantage of DDR3 memory up to PC3 10600."
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