A flaw in the silicon at the metal level for H/P-67(Cougar Point) causes SATAII links to degrade and eventually fail all together. A major recall is in effect http://www.tomshardware.com/news/cougar-point-sandy-bridge-sata-error,12108.html Im guessing if you have a board already you should be able to RMA once the new silicon is out. Most major retailers are aware of the issue and are removing their stocks of boards but there will be flawed boards in the channels for a while I'm sure. If you are thinking about upgrading to Sandy Bridge and have SATAII devices, I would wait a few weeks/months. **Update** http://www.tomshardware.com/news/Co...oduct-change-notification-chipsets,12184.html Intel have announced they plan to start shipping revised cougar point this week starting Feb 14, B3 steppings of H/P67 will start shipping to OEMS sooner than expected. There should hopefully be new boards in the channels by mid-late march hopefully at best guess. I would still be careful of buying off the shelf systems for a while, as they resumed shipping B2 steppings for applications that aren't using the broken features(certain laptops/desktops that are exclusively SATA III).