Intel® Core™ i7-6700 Processor (8M Cache, up to 4.00 GHz), 8GB DDR4-2133, NVIDIA Quadro K420 2GB, HDD SATA III 1000GB 7.2k//Chipset: Intel C236. Slots:4 DIMM-sockets (max. 64 GB, DDR4-2133, ECC or non-ECC, dual channel), 2 slots: [1x PCIe 3.0 x16 and 1x PCIe 3.0 x4 (mechanical x16)] or [1x PCIe 3.0 x16 and 1x PCI], 1x M.2 socket for PCIe or SATA SSD,DVD SuperMulti SATA. 1x Display Port/ DVI-D adapter cable, 1x DVI-I/VGA Adapter,1x Riser card PCIe x16 + PCIe x4, 1x Feet for vertical position (2 pcs.). Onboard I/O-devices: Intel® HD Graphics 530, network controller Intel L219LM, Serial ATA controller (6 Ports – SATA III; RAID 0, 1 or 5 for HDDs) and HD-audio Realtek ALC671.Front interfaces:  2x USB 3.0, 1x audio out, 1x audio in. Rear interfaces:  2x DisplayPort 1.2, 1x DVI-D, 1x LAN RJ45, 6x USB 3.0, 1x audio in, 1x audio out, 2x PS/2 for mouse and keyboard, 1x Serial. Internal interfaces:  2x USB 2.0, 1x USB 3.0 with standard connector. KB410 USB Black BG/US, Optical USB mouse black. Embedded security (TPM 1.2) Disable / Hide TPM option//280 W wide range power supply//No OS //5 years, Bring-In Service, 5 days / 9 hours (5x9, local business hours)