Sony Vaio VGN-NW20EF .

laptop is in very good conditon, everything works as it should. selling because i no longer use it. open to offers description from sony; Built-in Devices Stereo speakers, wireless LAN aerial Width 37 cm Depth 24.9 cm Height 2.9 cm Weight 2.7 kg Colour Silver Processor Processor Intel Pentium T4300 / 2.1 GH Multi-Core Technology Dual-Core 64-bit Computing Yes Data Bus Speed 800 MHz Chipset Type Mobile Intel GL40 Express Cache Memory Type L2 Cache Installed Size 1 MB RAM Installed Size 3 GB / 8 GB (max) Technology DDR2 SDRAM - 800 MHz Configuration Features 1 x 1 GB + 1 x 2 GB Storage Controller Type Serial ATA Serial ATA Interface Serial ATA-150 Storage Hard Drive 320 GB - Serial ATA-150 - 5400 rpm Optical Storage Type DVD±RW (±R DL) / DVD-RAM - integrated Read Speed 24x (CD) / 8x (DVD) Write Speed 24x (CD) / 8x (DVD±R) / 6x (DVD±R DL) CD / DVD Rewrite Speed 24x (CD) / 8x (DVD±RW) / 5x (DVD-RAM) Card Reader Type Card reader Supported Flash Memory Cards SD Memory Card, Memory Stick, Memory Stick PRO, Memory Stick Duo, Memory Stick PRO Duo Display Display Type 15.5