Compaq Presario SR5510F Desktop PC (2.6 GHz AMD Athlon X2 5000 Dual Core Processor, 2 GB RAM, 500 GB Hard Drive, DVD Drive, Vista Premium) (Discontinued by Manufacturer) Desktop PC with 2.6 GHz AMD Athlon X2 5000 dual-core processor 2048MB PC2-6400 DDR2 SDRAM memory (2x1024MB, expandable to 4GB), 500GB 7200RPM Serial ATA hard drive NVIDIA GeForce 6150 SE graphics with TurboCache with 128MB dedicated graphics memory. SuperMulti DVD Burner with LightScribe Technology Genuine Windows Vista Home Premium, dims in inches: 16.77 (L) x 6.67 (W) x 14.85 (H/D) approx., 21.25 lbs. approx.