The EliteDesk 800 G2 Small Form Factor Desktop Computer from HP is designed for business users who require powerful performance and high reliability in a small form factor. The EliteDesk 800 G2 is powered by a 3.4 GHz Intel Core i7-6700 Quad-Core processor which will allow users to run multiple applications simultaneously. If you need more power, the CPU can be overclocked to 4.0 GHz. The 4GB of 2133 MHz DDR4 SDRAM also helps the computer to run multiple applications simultaneously, as well as access frequently-used files and programs. The current memory configuration is one 4GB module with an additional three slots available for memory upgrades, making for a total of four 288-pin DIMM slots. With all 4 DIMM slots in use, this system supports 64GB of RAM, or 16GB per slot.