The AMD Athlon II X2 255 was a desktop processor with 2 cores, launched in January 2010. It is part of the Athlon II X2 lineup, using the Regor architecture with Socket AM3. Athlon II X2 255 has 1 MB of L2 cache and operates at 3.1 GHz. AMD is making the Athlon II X2 255 on a 45 nm production node using 410 million transistors. The multiplier is locked on Athlon II X2 255, which limits its overclocking potential. With a TDP of 65 W, the Athlon II X2 255 consumes typical power levels for a modern PC. AMD's processor supports DDR3 memory with a dual-channel interface. For communication with other components in the computer, Athlon II X2 255 uses a PCI-Express Gen 2 connection. Although the processor doesn't come with integrated graphics, certain motherboards with compatible chipsets can provide this capability. Hardware virtualization is available on the Athlon II X2 255, which greatly improves virtual machine performance.