HP Pavilion S3620F Slimline Desktop PC (2.5 GHz Intel Pentium Dual Core E5200 Processor, 4 GB RAM, 500 GB Hard Drive, DVD Drive, Vista Premium) (Discontinued by Manufacturer) Desktop PC with 2.50 GHz Intel Pentium Dual Core Desktop Processor E5200 with 2MB L2 Cache 4GB PC2-6400 DDR2 SDRAM Memory (2x2048MB), 500GB 7200RPM SATA Hard Drive NVIDIA GeForce 7100 Graphics with TurboCache with 128MB Dedicated Graphics Memory SuperMulti DVD Burner with LightScribe Technology, Wireless LAN 802.11b/g Windows Vista Home Premium, dims in inches: 4.21 (W) x 8.5 (L/D) x 13.39 (H) approx., 22 lbs approx