22 PowerEdge M520 Technical GuideSupported RAID controllersThe newest line of PowerEdge RAID Controllers (PERCs) offers high I/O performance for a variety ofuses, including database applications and streaming digital media environments. The internal RAIDcontrollers have a dedicated connection to the system board.PERC H710PThe PERC H710P is an eight-port, internal, 6Gb/s PCIe RAID controller (mini form factor) with1GB DDR3 non-volatile (NV) cache.PERC H710The PERC H710 is an eight-port, internal, 6Gb/s PCIe RAID controller (mini form factor) with512MB DDR3 NV cache.PERC H310The PERC H310 is an eight-port, internal, 6Gb/s PCIe RAID controller (mini form factor) that is alow-cost, entry-level RAID solution.For more information about the latest PERC offerings, see Dell.com/PERC.RAID controller feature supportTable 12 lists the features supported by the RAID controller options on the M520.Table 12. RAID controller feature supportFeature PERC optionS110 H310 H710 H710PSoftware RAID stack iMR firmware stack MR firmware stack SSD support SATA backplane SAS backplane SATA hard drives 1 1 1SAS hard drives Un-configured hard drive support(non-RAID) RAID 0 RAID 1 DDR3 cache (512MB) DDR3 cache (1GB) Non-volatile cache option Microsoft Windows support Linux support Virtualization support