MODEL: COMPAQ PRESARIO CQ58-100 SA Compaq Presario CQ58 Specs OPERATING SYSTEM: Windows® 7 Home Premium 64 PROCESSOR: AMD Dual-Core E300 APU with Radeon HD 6310 Discrete Class Graphics 1.3 GHz CHIPSET: AMD A50M FCH RAM: 4GB RAM SLOTS: 2DIMM HDD: 320GB, 5400rpm OPTICAL DRIVE: SuperMulti DVD±R/RW with Double Layer Support GRAPHICS: AMD Radeon HD 6310 Discrete-Class (up to 1.92 GB)