Apple Mac Pro 2.93GHz Quad-Core Intel Xeon, 6GB RAM, 1TB 7200-rpm Serial ATA, ATI Radeon HD 4870 512MB, Two 18x SuperDrives, AirPort Extreme 802.11n Wi-Fi – Closeout Model (MC183LL/A)
Many quad-core processors are composed of two separate dies, which means some cached data has to travel outside the processor to get from core to core. Thats an inefficient way to access information. Enter the Quad-Core Intel Xeon “Nehalem” processor.