We push the cameras off to the side in order to pore over this motherboard's silicon. Our findings include:

Samsung K3UH5H50MM-NGCJ 4 GB LPDDR4 RAM layered over the MSM8998 Snapdragon 835

Toshiba THGAF4G9N4LBAIR 64 GB UFS (NAND flash + controller)

Qualcomm Aqstic WCD9341 audio codec

Skyworks 78160-11

Avago AFEM-9066

Silicon Mitus SM5720 Interface PMIC