HP Pavilion 23-g010 AIO - Windows 8.1 with AMD Quad-Core E2 3800 Accelerated Processor. 23" diagonal IPS widescreen full HD LED backlit display. 4GB PC3 12800 DDR3L 1600 SDRAM memory. 1x4GB with expandable to 16GB. 500GB 7200RPM serial ATA hard drive. AMD Radeon HD 8280 Graphics with up to 2048MB total available graphics memory as allocated by Win8. USB chiclet style keyboard with volume control. Win8 hot keys and optical mouse. 2 x USB 3.0. Wireless LAN 802.11b/g/n featuring Single-band.