PowerEdge R520

Dell PowerEdge R520

Processors : Intel® Xeon® processor E5-2400 product family
Internal interconnect Intel QuickPath Interconnect (QPI) link: 6.4GT/s; 7.2GT/s; 8.0 GT/s

Memory : Up to 192GB (12 DIMM slots): 2GB/4GB/8GB/16GB DDR3 up to 1600MHz

Storage : Up to 24TB
Chipset : Intel C600 series

I/O slots
4 PCIe slots:
With two processors:
• One x16 PCIe slot with x16 bandwidth, half-length, half-height
• One x16 PCIe slot with x8 bandwidth, full-length, full-height
• Two x16 PCIe slots with x8 bandwidth, half-length, full-height

With one processor:
• One x8 PCIe slot with x4 bandwidth, half-length, half-height
• One x16 PCIe slot with x8 bandwidth, full-length, full-height
• Two x8 PCIe slots with x4 bandwidth, half-length, full-height

Power supply :
Platinum efficiency, hot-plug redundant 495W or 750W power supplies
Silver efficiency, cabled 550W power supply
Gold efficiency, 1100W DC power supply
Auto-ranging power supplies

Operating systems
Microsoft Windows Server® 2008 R2 SP1, x64 (includes Hyper-V™ v2)
Microsoft Windows® Small Business Server 2011
SUSE® Linux® Enterprise Server
Red Hat® Enterprise Linux
Optional embedded hypervisors:
Citrix® XenServer™
VMware vSphere™
For more information on the specific versions and additions, visit Dell.com/OSsupport.