HP 8300 Elite Small Form Factor Business Desktop, Intel Core i5 3470 3.2GHz Quad-Core, 8GB RAM, 500GB HDD, Windows 10 Pro 64-Bit, USB 3.0 (Certified Refurbishedd) This computer has been certified refurbished by a Microsoft Authorized Refurbisher, ensuring the highest levels of quality and support. HP 8300 Intel I5 Quad-Core 3.4 GHz Processor What's Inside: 8GB RAM, 500GB Hard Drive, DVD Optical Drive, Operating System: Windows 10 Professional Includes: USB Keyboard and Mouse,