Asus responded to my inquiry - " We have received a response regarding the PCB layout differences between Part #90YV0MD0-MVAA00 and Part #90YV0MD0-M0NA00 for the ASUS TUF RTX 5070 Ti Gaming graphics card. Our team has confirmed that the PCB layout is the same for both part numbers. There are no differences in the PCB design between these two versions according to the information provided by our engineering support team." Another tech provided additional clarification ; "The ASUS TUF Gaming GeForce RTX 5070 Ti graphics cards listed under part numbers 90YV0MD0-MVAA00 and 90YV0MD0-M0NA00 share the exact same physical PCB layout. The variation in these part numbers indicates regional distribution tracking codes or specific retail packaging differences. There is absolutely no revision, alteration, or difference to the underlying hardware circuit board, component selection, or power delivery layout between them."