Cisco UCS X210c M6 - Intel Optane Persistent Memory (PMEM) Service

Step 5 Install the CPU assembly onto the CPU motherboard socket.
a) Push the rotating wires inward to the unlocked position so that they do not obstruct installation.
Cisco UCS X210c M6 Compute Node Installation and Service Note
44
Servicing a Compute Node
Installing the CPU and Heatsink