Key Features: HP Z240 Small Form Factor (SFF) Intel Core i5-6500 3.20GHz Processor 16GB DDR4 RAM 512GB NVMe Solid State Drive (SSD) WiFi and Bluetooth Adapter Includes wireless keyboard and mouse. Windows 10 Professional (64-bit) NO DVD Drive Integrated Intel HD Graphics Integrated Audio Network: 10/100/100 Gigabit Ethernet (RJ-45) Microphone Headphone Audio Line In/Out Expansion Slots and Bays: (1) Low-Profile PCI Express x16 Slot (2) Low-Profile PCI Express x1 Slots (1) External 5.25" Drive Bay (1) Internal 3.5" Drive Bay (1) External 3.5" Drive Bay 3 Display Ports 1 Serial Port 10x USB: Front-panel USB ports make it easy to transfer photos, music, and other files to and from your computer. from your digital camera and other peripheral devices