High-End Virtualization Server 12-Core 128GB RAM 12TB RAID Dell PowerEdge R710 (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Dell PowerEdge R710 6B LFF Server 2x 2.80GHz X5660 12-Cores Total / 128GB RAM / 6x 2TB 7.2K SATA 3.5" HDD H700 w/ 512MB / DVD-ROM / 2x 870W PSU No Operating System.