High Air Flow Air Duct Bracket Kit when when installing an Intel® Xeon Phi™ coprocessor with passive heat sink (heat sink only, no fan) or non-Intel GPGPU with passive heat sink with the 2000WF Family
High Air Flow Air Duct Kit is required when using Intel® Xeon Phi™ coprocessor with passive heat sink (heat sink only, no fan) or non-Intel GPGPU with passive heat sink with the 2000WF Family