The ASUS Radeon HD 7870 Direct CU II is a highly overclocked custom version of the Radeon HD 7870. Coming at clock speeds of 1100 MHz GPU and 1250 MHz memory, it is a good deal faster than the AMD reference design. Thanks to aggressive pricing, the card retails at $360, which means there is no price increase for overclocking."
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