Intel Xeon Phi 71S1P 8GB RAM 1.1GHz 61 core CoProcessor PCI-e similar to 7110P | eBay
Xi Computer Corporation | Intel Xeon Phi Family Coprocessor High Performance Programming Workstations and HPC Servers
Here's htop on a maxed out Xeon Phi 31S1P : r/homelab
Intel Xeon Phi with Windows! | Puget Systems
Intel® Xeon Phi™ Coprocessor x100 Product Family
Xeon Phi - Wikipedia
HP Intel Xeon Phi 7120P PCIe Coprocessor New 732636-001 E2M34A - Newegg.com
10x Xeon Phi Coprocessor cards, 4x E7-8895v2, 512gb of RAM, 6 PSU's, and more adapters and dongles than you can shake a stick at, with a 1500 Watt idle and a folding
Intel Xeon Phi Coprocessor 7120p 61-core 16gb RAM 1.238 GHz for sale online | eBay