Type: Dell Precision T3600 Workstation. Seller refurbished unit may show minor signs of cosmetic blemishes.Processor: Single Intel Xeon E5-1607 Quad Core 3Ghz Processor. (Additional processor configurations available).Memory: 16GB. Supports up to 64GB of total memory, 4 DIMM slots (actual memory speed dependent on processor capability).Hard Drives: 1TB 7.2K PC SATA Drive (Additional hard drive configurations available).Drive Bays: Two 3.5'' or 2.5'' (adapter needed for 2.5'') internal SATA, SAS or SSD hard drives. One external 5.25'' bays. One external slimline optical bay. Graphics: Dual DVI 256MB Graphic Card (Additional graphic cards available).Operating System: Windows 10 Professional 64-Bit Pre-Installed (32-bit available on request).Power Supply: 425W 90% Efficient wide-ranging, active Power Factor Correction.Optical Drive(s): DVD Drive.Dimensions: 40 Lbs, 18.54'' x 6.79'' x 16.3'' (L x W x H)Networking: Integrated Intel 82579 Gigabit Ethernet, Single Port.Slots: Two PCIe x16 Gen 3; one PCIe x16 Gen 3 wired x4; one PCIe x4 Gen 2; one PCIe x1 Gen 2; One PCI32bit/33MHz. Front Ports: 1 USB 3.0, 3 USB 2.0, 1 Headphone,1 Microphone.Rear Ports: 1 USB 3.0, 5 USB 2.0, 2 PS/2, RJ-45 (NIC) Internal Ports: 3 USB 2.0, 2 SATA 6.0Gb/S Peripherals: Power Cable Included. Mouse, Keyboard, and Video Cable Not Included.*Systems are built to order and fully customizable. Please call for more information. Note that a stock photo is used and unit may differ depending on configuration.