Processor Intel Core i 7-4770 3.4 G Hz Turbo boost up to 3.9 G Hz Intel HD Graphics 4600 8MB cache, 4 cores Mobile Intel H87 Express Memory 4GB 1600 M Hz DDR3L SDRAM 1 x 4GB 4 x UDIMM slot Hard Drive 1TB 7200 rpm SATA Optical Drive DVD+/-RW Super Multi 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 Not Included Graphics Intel HD 4600 Graphics Audio DTS Studio Sound™; Realtek ALC 221 Audio (all ports stereo); Microphone & headphone jacks; Stereo audio line out & integrated speaker Input Devices HP USB (Universal Serial Bus) Keyboard & Mouse Networking Wired: Integrated Realtek RTL8151GH-CG Gb E LOM Network Connection Power Supply Internal 300W Power Supply, Active PFC, high efficiency energy saving power supply options available
Dimensions Width 18.28 cm Depth 40.2 cm Height 35.7 cm Weight 7.14kg Interfaces 4 USB (Universal Serial Bus) 3.0 6 USB (Universal Serial Bus) 2.0 2 PS/2 1 VGA 1 DVI-D 1 microphone/headphone jack 1 audio line in/out 1 RJ-45 1 serial 1 internal USB (Universal Serial Bus) 3.0 headers for media card reader Expansion 3 full-height PCIe (x 1) 1 full-height PCIe x 16 1 media card reader Two 8, 9 cm (3.5") Internal Drive Bays One 13, 3 cm (5.25") External Drive Bay One 8, 9 cm (3.5") External Drive Bay Warranty 1 Year Manufacturer Warranty