Lot of 3 High-End Virtualization Server 12-Core 128GB RAM 12TB RAID Dell PowerEdge R710 (Certified Refurbished) Powerful 2U Dell Poweredge enterprise grade server designed for growth and scalability  excellent for fulfilling a multitude of demanding roles 46 dB noise output  the equivalent of a radio in the background Updated with latest firmware and drivers; Bios updated; ready to install; RAID setup: 0, 1, 10, 5, 50, 6, 60 Ideal for virtualization  works with VMware vSphere, Citrix, and more Standard 90 Day warranty, Extended warranties available