 | The system is powered by two quad-core Intel Xeon 5400 CPUs running at a clockspeed of 2.8 GHz each. This "Eight Core" configuration gives you up to eight times the processing power of a single CPU, making it an ideal solution for mission critical applications. Xeon 2.8 GHz, Mac OS X Leopard, 2 GB, Tower, DVD±RW/CD-RW Dual Layer Number of Reviews: 1 | Ratings:  | Best deal: $2685 $2685 - $2685 from 1 stores. |