Key SpecificationsCurrently has Windows 10 Pro, but was Originally Windows 7 pro and has a legible sticker on top of the unit with the product key for windows 7 pro if buyer want to revert to Windows 7 pro
Professionally cleanedModel:HP Compaq Elite 8300 CMT (Convertible Minitower)Processor:Intel Core i5-3570, 3rd Gen, Quad-Core, 3.4GHz base (up to 3.8GHz Turbo)Memory:8GB DDR3 RAM (upgradable to 32GB; 4 DIMM slots)Storage:1TB 7200RPM HDD + 250GB SSD – fast boot, efficient multitasking, and generous data capacityChipset:Intel Q77 ExpressGraphics:Integrated Intel HD Graphics 2500Operating System:Windows 10 Pro or higher (supports Windows 7/8/10)Optical Drive:DVD±RW for software, media, or backupsNetworking:Intel 82579LM Gigabit LAN (RJ-45), WiFi/Bluetooth (USB add-ons)Ports:USB 3.0 x4, USB 2.0 x6DisplayPort, VGAHeadphone/microphone jacksSerial, PS/2, EthernetExpansion Bays:Multiple internal/external bays for future upgradesFeaturesReliable performance for multitasking, office work, or media useDual drive setup for speed and backup storageTool-less chassis for easy upgrades and maintenanceExpandable RAM and storage for future-proof customization