Shuttle J1 4100BA. Processor clock speed: 2.6 GHz, Processor family: Intel Pentium Dual-Core, Processor model: E5300. Internal memory: 2 GB, Maximum internal memory: 8 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 160 GB, Hard drive interface: Serial ATA. Discrete graphics adapter model: Intel GMA X4500, Maximum graphics adapter memory: 1759 MB. Operating system installed: Windows XP Professional