Flexibility best summarizes the features of the SAS 8888ELP. With selectable connectors, one card serves three deployment needs. Users can choose two connectors two internal, two external or one each. System builders can attach up to 240 disks choose high performance SAS disks or high capacity SATA drives or a combination of both for greater system design flexibility. Finally, this adapter features a replaceable DDR II 256MB mini DIMM cache module, with two battery backup options. An investment in the 8888ELP brings piece of mind, with its unique ability to operate with both internal or external disk equipment.