You can scratch the Xeon Phi off your shopping list. And if you deployed it, don’t plan on upgrades. That’s because Intel has quietly killed off its high-performance computing co-processor because forthcoming Xeon chips have all the features of the Phi, no separate chip or add-in card needed.
Intel quietly ended the life of the Xeon Phi on July 23 with a “Product Change Notification” that contained Product Discontinuance/End of Life information for the entire Knight’s Landing line of Xeon Phis.
The last order date for the Xeon Phi is Aug. 31, 2018, and orders are non-cancelable and non-returnable after that date. The final shipment date is set for July 19, 2019.