Are Cambo 4x5SC boards compatible with 810N?

Simple question. Are these boards same size? I googled for 810N photos but can't find one. Wondering if the monorail is same too? I've used a 1" square aluminum from Home Depot which works well for my 4x5.

Anyone use these 810N outside? I've read all the pros and cons with monorails and field but hey, if they can carry a Imax equipment up Mt. Everest, I'm sure I can lug this thing around.

I have never used the 8x10, but from what I have seen, they are the same lensboards. I believe that the 8x10 monorail is also 1" square.