BenQ Joybook R53U-D04, 1.73 GHz, 39.1 cm (15.4"), 1280 x 800 pixels, 0.5 GB, 60 GB, Windows XP Home Edition BenQ Joybook R53U-D04. Processor frequency: 1.73 GHz. Display diagonal: 39.1 cm (15.4"), Display resolution: 1280 x 800 pixels. Internal memory: 0.5 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 60 GB, Optical drive type: DVD Super Multi. Discrete graphics card model: Intel® GMA 900. Operating system installed: Windows XP Home Edition. Weight: 2.78 kg