HP Pavilion s3323w Athlon 64 X2 4800+ 2.5GHz 1GB 500GB DVD&plusmn;RW DL Vista Home Premium HP Pavilion s3323w Athlon 64 X2 4800+ System General Features: Windows Vista Home Premium pre-installed w/COA Athlon 64 X2 4800+ 2.5 GHz processor 1 GB DDR2 SDRAM PC2-5300 (supports up to 4 GB) 500 GB Serial ATA hard drive DVD RW ( R DL) LightScribe SATA drive No floppy drive Built-in memory card reader NVIDIA GeForce 6150SE graphics