COM-HPC is a PICMG sponsored open standard for a family of high performance computer modules targeting the embedded computer space. We have developed a pair of 400pos 0.635mm COM-HPC which support 5mm and 10mm stack heights. These connectors are suitable for a wide range of high reliability applications and demanding environments. This pair of connectors can support up to PCIe Gen5 32... https://www.amphenol-cs.com/product-series/com-hpc.html