DELL PowerEdge R610 2 x 2.67Ghz E5640 Quad Core 48GB 4 x 146GB 10K SAS (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 R610 6B SFF Server 2x 2.66GHz E5640 8-Cores Total / 48GB RAM / 4x 146GB 10K SAS 2.5" Hard Drives PERC6/i / DVD-ROM / 2x 502W PSU Windows Server 2012 Evaluation Edition