The Intel Core 2 Duo E8135 was a mobile processor with 2 cores, launched in March 2009. It is part of the Core 2 Duo lineup, using the Penryn architecture with Socket P. Core 2 Duo E8135 has 6 MB of L2 cache and operates at 2.667 GHz. Intel is making the Core 2 Duo E8135 on a 45 nm production node using 410 million transistors. The multiplier is locked on Core 2 Duo E8135, which limits its overclocking potential. With a TDP of 44 W, the Core 2 Duo E8135 consumes typical power levels for a modern PC. Intel's processor supports DDR2 and DDR3 memory with a dual-channel interface. For communication with other components in the computer, Core 2 Duo E8135 uses a PCI-Express N/A connection. Hardware virtualization is available on the Core 2 Duo E8135, which greatly improves virtual machine performance.