Model: Dell OptiPlex 790 MT - Mini Tower Operating System Info: WINDOWS 10 PRO 32 BIT Chipset: Intel Q65 Express Chipset Processor: Core i5-2400 @ 3.1 GHz Memory Installed: 2 GB DDR3 Memory Supported: Up to four DDR3 Synch DRAM Non-ECC 1333MHz Memory; supporting 1 GB to 16GB Hard Drive: 512GB SSD Optical Drive: DVD-RW Graphics: Integrated Intel HD Graphics Audio: Realtek ALC269Q High Definition Audio Codec Networking: Intel 82579LM Gigabit Ethernet LAN 10/100/1000 Chasis: Number of Bays: 2 internal 3.5 in; 2 external 5.25 in Expansion Slots: 1 full height PCIe x16; 1 full height PCIe x16 (wired x 4); 1 full height PCIe x1; 1 full height PCI Ports: 10 External USB 2.0 ports and 1 Internal USB 2.0 (4 Front; 6 Rear); 1 Serial; 1 RJ-45; 1 VGA; 1 DisplayPort; 2 PS/2; 2 Line-in; (stereo/microphone); 2 Line-out (headphone/speaker) Power Supply Unit: Standard 265W PSU Dimensions: 14.20" high x 6.90" wide x 16.40" deep System Weight: 19.60 lbs Warranty: 365 days