Complex sentence: A Xeon Phi co-processor, or co-processors, can be used alongside an existing Intel Xeon processor to provide increased/improved computing power, requiring an available PCI Express 3.0 x16 slot in x16, or x8 mode.
Split into simpler sentences: A Xeon Phi co-processor, or co-processors can be used alongside an existing Intel Xeon processor to provide increased, or improved computing power. Requires an available PCI Express 3.0 x16 slot in x16, or x8 mode.