Product Collection: Fan Options, Launch Date: Q1'13, Included Items: (1) Airduct, (2) x16 A2UL16RISER riser cards, (2) power cables, Compatible: Intel Server System R2208GZ4GC, Intel Server System R2208GZ4GS9, Intel Server System R2308GZ4GC, Intel Server System R2308GZ4GS9. Specially designer airduct to support passive dual wide cards with power consumption up to 300W on R2x08GZ systems. Validated with Intel Xeon PHI cards.