The PERC6/E RAID Controller Card from Dell is an ideal add-on for your Dell Systems. The Adapter comes with 256 MB of integrated DDR2 cache for quick storage. This PERC6/E SAS is an integrated PCIe based card and offers connectivity via dual 4 port external wide connectors. The card offers support for RAID levels 0/1/5/6/10/50/60 storage strategies and also offers support for up to a maximum of 32 physical drives per array.