Optimus Signature V2 CPU Block @ TechPowerUp
 

Alongside the Optimus Foundation CPU block, we saw it fit to also cover the company's flagship Signature CPU block. In its second version, the Signature V2 for Intel CPU sockets features to good effect a thick unibody brass top and mounting bracket, as well as the cooling engine and other features of their Foundation block.

https://www.techpowerup.com/review/o...v2-cpu-block//