Model: HP Z2 G4 T i78700 4GB/256GB PC • Form Factor: Tower • Display: - • Operating System: Windows 10 Pro 64 • Processor: Intel® Core™ i7 8700 with Intel® UHD Graphics 630 (3.2 GHz base frequency, up to 4.6 GHz with Intel® Turbo Boost Technology, 12 MB cache, 6 cores) • Removable Storage: HP Slim DVD-Writer • Memory: 4GB DDR4-2666 SDRAM non-ECC Unbuffered (1x 4GB) (4x DIMM) • Storage: 256GB SATA SSD • Graphics: Intel® UHD Graphics 630 • Audio: Conexant CX20632-31Z, 1.5W internal mono speaker • LAN: Integrated Intel® I219-LM PCIe® GbE • Expansion Slots: 1x M.2; 1x PCIe x1; 1x PCIe x16; 1x M.2 2230/2280 • I/O Ports: Front: 1x headphone/microphone combo; 2x USB 3.0 (1x charging); 1x USB 3.1 Gen 2 Type-C™ - Rear: 1x audio-in; 1x audio-out; 1x DVI-I single link; 1x RJ-45; 2x DisplayPort™ 1.2; 2x USB 2.0; 4x USB 3.0 • Power Supply: 250W external power adapter, up to 90% efficiency, active PFC • Extras: - • Warranty: 3/3/3 Years