ThinkStation C30, Tower Form Factor, Intel C602-C30 Core Chipset, Intel Xeon E5-2609 v2 Processor, 2.5 GHz/1333 MHz, 10MB 4C Cache, 4 GB Memory, 1TB 3.5 SATA Hybrid HDD, Rambo 8, None ,Windows7 Pro64 Downgrade w/Windows 8 Pro64 License, Integrated Audio, Integrated Single Gigabit Ethernet Adapter, Preferred Pro Full-Size Keyboard, Optical Wheel Mouse, Memory Card Reader, Integrated Mono Speaker, Chassis intrusion switch