Up for sale is a Universal Audio UAD-2 QUAD PCIe DSP Accelerator Card with 4 Sharc processors.  It's in mint condition.  It was purchased new, installed once in a Mac Pro, and has lived in a smoke-free studio ever since.  It was tested before removing and is fully functional.  The only reason I'm selling this is because I also own an OCTO unit and an Apollo interface.  The Universal Audio plug-ins are second to none.