The Core i7-2700K is the highest-performing chip generally recommended for this board.
It is not compatible with 3rd Gen "Ivy Bridge" CPUs (e.g., i5-3550, i7-3770) without a specific BIOS update (P03-A3), which often fails on this revision due to BIOS size mismatches. Memory (RAM) Guidelines Type: DDR3 Non-ECC, Unbuffered. Speed: Supports 1066 MHz or 1333 MHz . Voltage: Standard 1.5V modules. Acer Inc Ipisb-vr Rev 1.01 Manual
The board strictly supports processors.
