Benq Joybook Lite U121 Eco. Processor clock speed: 1330 MHz, Processor family: Intel Atom, Processor model: Z520. Internal memory: 1024 MB, Internal memory type: DDR2-SDRAM, Memory clock speed: 533 MHz. Hard drive size: 63.5 mm (2.5 "), Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA. Compatible memory cards: SD/MMC/MS/MS-Pro. Display diagonal: 294.6 mm (11.6 "), Display resolution: 1366 x 768 pixels, Display: LCD