According to AMD plans revealed to its special somebodies, plans reaching all the way to Q3 2010, many Phenom II X4 quads will be discontinued in late 2009 to second half of 2010. As of Q4 2009 AMD will announce last order for some Phenom II X4 models and some of them will have its last shipment already in Q2 2010. This is due to the fact that AMD also plans to launch a revised Phenom II X4 (Deneb 45nm) quad-core that will have lower thermals and will allow higher clocks.

First to die is Phenom II X4 910 clocked at 2.6GHz and powered with 8MB cache that will get to last order status already in Q4 2009 with last shipment planned two quarters later, Q2 2010. Phenom II X4 925 at 2.8GHz clock and 8MB of total cache and 95W TDP will get to last order status in by late Q1 2010 and final shipments are slated for Q3 2010.

http://www.fudzilla.com/content/view/16209/35/