Acer Aspire 21.5-inch Full HD All-in-One Desktop with Windows 10 (Intel Celeron, 4BG RAM, 500GB HDD, AZ1-622-UR53) Intel Celeron N3150 1.6 GHz (2 MB Cache) 4GB DDR3 Memory 500 GB 5400 rpm Hard Drive 21.5-inch Full HD Screen, Intel HD Graphics Windows 10 Home