Dell Optiplex 790 USFF PC Intel i3 Dual Core Processor 4GB RAM 250GB HDD DVD ROM Windows 7 Professional

Overview - 

Form Factor - USFF (Ultra Small Form Factor)

Operating System - Windows 7 Professional 64bit

Processor - Intel i3-2100 Dual Core 3.1GHz

RAM - 4GB DDR3 (up to 8GB, 2 DIMM Slots)

Drives & Removable Storage - 

Bays - 1 x 5.25" bay (External Optical, Slim-line), 1 x HDD Supported, 1 x Optical Drive Supported)

Interface - 1 x SATA 2.0, 1 x SATA 3.0

Optical Drive - Yes, DVD ROM

Expanson Slots - 1 x miniPCIe, 2 x SATA

Graphics - Intel HD Graphics

External Ports/Connectors - 

USB 2.0 - 2 x front, 5 x rear

Serial - 1 x rear

Network (RJ-45) - 1 x rear

VGA - 1 x rear

DisplayPort - 1 x rear

Audio Line In for mic - 1 x front

Audio Line In for mic or stereo - 1 x rear

Audio Line Out for headphone or speakers - 1 x front, 1 x rear

Weights & Dims -

Dimensions - 9.32 x 2.56 x 9.44 Inch (H x W x D)

Weight - 3.27kg