HP Debranded Desktop PC RS8100-I3-W8PRO Intel Core i3 2.93GHz 4 GB 750GB HDD USB VGA DVDRW LS Windows 8 Pro Black Intel Core i3 2.93GHz 3MB L3 Cache 64 bit Dual Core Processor 4GB Memory 750GB HDD DVDRW LS Windows 8 Pro (can NOT be updated to Windows 8.1) HP USB mouse HP USB keyboard 16.55" x 7.10" x 17.50" Front USB 2 x USB 2.0 Rear USB 6 x USB 2.0 RJ45 x1 VGA x1