Add external SAS 6GBps ports to your compatible Dell system with the 12DNW SAS6E storage adapter. The Dell 12DNW has two external SAS ports and a PCIe (express) interface. Dell 12DNW SAS6E storage adapters have 6GBps throughput that is perfect for enterprise storage applications and virtualization. An open PCIe (express) slot in a compatible Dell system is required to install and use the 12DNW SAS6E dual port SAS storage adapter. Please contact us with any compatibility questions.