HP EliteDesk 800 G1 Sff. Processor frequency: 3.2 GHz, Processor family: Intel® Core™ i5, Processor model: i5-4570. Built-in memory capacity: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 500 GB, Storage: HDD, Optical drive type: DVD-ROM. On-board graphics card model: Intel® HD Graphics 4600. Operating system installed: Windows 7 Professional, Operating system architecture: 32-bit. Power: 240 W. Chassis type: SFF. Product Type: PC