The manufacturer seal has been opened to meet the advertised specs. Professional service installation included.The HP Z240 Series Workstation delivers powerful performance in a small form factor design and is geared towards professionals who require high reliability as well as scalability to match your business needs. With the capabilities to operate in immersive work environments and handle total workloads. This system is powered by an Intel Core i5-6500 Quad-Core processor which will allow you to run multiple applications simultaneously. If you need more power, the system can be overclocked to 3.60 GHz using Intel's Turbo Boost technology. The 2666 MHz DDR4, helps to ensure smooth multitasking and also allows the computer to quickly access frequently-used files and programs.Brand / Model: HP Z240 WorkstationPC Form Factor: Small Form Factor DesktopOperating System: Windows 10 Pro 64-bitProcessor Type: Intel Core i5-6500Base CPU Frequency: 3.2 GHzMax Turbo CPU frequency: 3.60 GHzCache: 6 MBRAM Slots: 4 SlotsRAM: 16GB DDR4 2666 MHzMax Supported RAM: 32GBStorage: 256GB SSDStorage Slots: 2x 3.5Graphics: AMD Radeon HD 8570 1GB DDR3Video Ports: 1x DisplayPort (4K), 1x DVI, 1x HDMI (DisplayPort to HDMI adapter included)Front USB Ports: 2x USB 3.1 - 2x USB 2.0Expansion Slots: 2x PCIe x16 2x PCIe x1 slotBack USB Ports: 6x USB 3.1Ethernet: Gigabyte 10/100/1000, RJ-45Wi-Fi: 802.11acBluetooth: 4.1Audio: Built-in SpeakerAudio Ports: Microphone x1, Headphone Jack x1Power Supply: 240WBox Contents: Computer, USB Keyboard / Mouse, Power Cable