NOTE: Up to 2 processors supported. Performance Model configurations include two processors.
NOTE: HT indicates that the processor model supports Intel /Hyper-Threading Technology
NOTE: Turbo indicates the maximum potential frequency increment when using Intel Turbo Boost Technology, with 6,5,4,3,2 and 1 cores active.
NOTE: DDR3 speed is the maximum memory speed of the processor. Actual memory speed may depend on the quantity and type of DIMMs installed.
NOTE: For the Intel 5500 Series, the letter preceding the model number indicated the performance/wattage of the processor. "X" denotes High Performance/Wattage; "E" denotes Enterprise Performance/Wattage (Mainstream); and "L" denotes Lower Wattage.