Model Specs Model System x 3550 M4 Form/Chassis type Rack – 1U CPU Processor Xeon Six-Core Processor Type Intel® Processor Speed Xeon® Six-Core E5–2620v2 2.10 GHz Chipset Intel C604 Memory Memory Type DDR3 RAM Memory Std. 8 GB Memory Max. 768 GB Memory Speed 1600 MHz Drives / Storage Hard Disk Capacity No HD Hard Disk Controller Serial ATA III Interfaces Ports – USB 6 x USB 2.0 Ports – RJ-45 5 x RJ-45 Ports – Monitor 2 x VGA Slots / Expansions Slots – PCI Express 1 x PCI Express x8 1 x PCI Express x16 Networking / Connectivity Network Interface 10/100/1000 Mbps Base-T(X) Dimensions Width 429 mm (16.89 inches) Depth 734 mm (28.90 inches) Height 43 mm (1.69 inches)