Acer D255E-N55DQrr, Aspire One. Processor clock speed: 1.5 GHz, Processor family: Intel Atom, Processor model: N550. Internal memory: 1 GB, Memory slots: 1x SO-DIMM, Internal memory type: DDR3-SDRAM. Hard drive capacity: 250 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: Serial ATA. Display diagonal: 256.5 mm (10.1 "), Display resolution: 1024 x 600 pixels, Display: LCD. Ethernet LAN data transfer rates: 10, 100 Mbit/s, Networking features: Fast Ethernet, WLAN, Cabling technology: 10/100Base-T(X)