Aspire XC-603-UB17 Compact Desktop with Intel Celeron Processor J1800 (1MB L2 cache, 2.41GHz, up to 2.58GHz burst frequency), OS: Windows 8.1 (64-bit), 4GB (4/0) DDR3 SDRAM, 500GB SATA hard drive, 7200RPM; Super-Multi drive; SD card reader, Graphics: Integrated Intel HD Graphics (688MHz base frequency, 792MHz max dynamic frequency), Communications: Gigabit LAN