Lenovo ideacentre AIO 300 -  21.5" FHD All-in-one (AMD A6, 8 GB RAM, 1TB HDD, AMD Radeon R4, Windows 10) F0BW000MUS The All-in-One 300 ships with the latest AMD processors up to A8, delivering responsive power and smooth performance across essential everyday tasks. Designed for easy upgrades, the All-in-One 300 features a detachable back panel that opens instantly to show internal components that can be swapped out in seconds. With its slim line All-in-One design, the All-in-One 300 is a great way to save space on a small desk. There's no big tower, no cable clutter.