Photos: Dell PowerEdge R815 Summary: The Dell PowerEdge R815's core density is impressive, setting it up neatly for virtualisation duties. Using AMD's 6000 series processors, it hits 48 cores across only four sockets, all in a 2U chassis. By Craig Simms | September 2, 2010 -- 11:36 GMT (04:36 PDT) Follow @zdnetaustralia Previous | Next Image 27 of 27 One of the risers with dual-PCI-e x8 slots. The PERC riser card also has two PCI-e x8 slots, although it's electrically limited to x4. Topics: Servers, Reviews Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.