HP Pavilion A6500F Desktop PC (2.40 GHz Intel Pentium Dual Core E2220 Processor, 4 GB RAM, 500 GB Hard Drive, DVD Drive, Vista Premium) (Discontinued by Manufacturer) Desktop PC with 2.40 GHz Intel Pentium dual core E2220 processor with 1 MB L2 cache 4096 MB PC2-6400 DDR2 SDRAM memory (2x2048 MB), 500 GB 7200rpm serial ATA hard drive NVIDIA GeForce 7100 with TurboCache , 128 MB dedicated graphics memory SuperMulti DVD Burner with LightScribe Technology Genuine Windows Vista Home Premium 64-bit, dims in inches 16.28 (L) x 6.89 (W) x 15.24 (H/D) approx., 22 lbs.