HP Z4 G4 - Refurbished Workstation | PC Server & Parts
Amazon.com: ASUS Pro WS C422-ACE, Intel® Xeon® W workstation Processors, ATX Workstation motherboard with 14 power stages, triple M.2, dual U.2, dual Intel LAN, DDR4 ECC memory support, and ASUS Control Center
Refurbished Mac Pro 3.5GHz 8-core Intel Xeon W, Radeon Pro 580X - Apple