Processor Intel Core™ i 7-4790 3.6 GHz Turbo boost up to Intel HD Graphics 4600 8 MB cache, 4 cores Intel H97 Chipset Memory 4GB DDR3 RAM 1600 M Hz Configuration 1 x 4GB 4 x DIMM slot Hard Drive 1TB 7200 rpm SATA Optical Drive SATA Super Multi DVD writer Software Operating system: Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro) This system is preinstalled with Windows 7 Professional software & also comes with a license & media for Windows 8.1 Pro software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version & install the other version. You must back up all data (files, photos, etc.) before uninstalling & installing operating systems to avoid loss of your data Display None Graphics Intel HD Graphics 4600 Audio DTS Studio Sound, Realtek ALC221 codec (all ports stereo), microphone & headphone jacks, stereo audio line-out & integrated speaker Networking Realtek RTL8151GH-CG Gb E LOM (standard) Power Supply 300 W 85% efficient, active PFC
Dimensions Width 165 mm Depth 358 mm Height 355 mm Weight 6.5kg Interfaces 4 USB (Universal Serial Bus) 3.0 4 USB (Universal Serial Bus) 2.0 2 PS/2 (keyboard & mouse) 1 VGA 1 DVI-D 1 microphone 1 headphone 1 audio line in 1 audio line out 1 RJ-45 1 serial Expansion 2 full-height PCIe (x 1) 1 full-height PCIe x 16 (x 4) 1 full-height PCIe x 16 (x 16) Two 3.5" Drive bays Warranty 1 Year Manufacturer Warranty as standard