416 port nonblocking architecture

I am suggesting 52 node of GPU Server to the customer.(1ea GPU have 8 HDR port)

so i decide to use 24 leaf switch but have question about spine switch

Is it necessary use 20 spine switch?
To many ports are not using…
Cant i design it with less spine switch?? if i use less spine switch would it have a problem with performance??
(using 12 spine switch)


It is ok to use less spine switches without any issues.
12 spine switches should do the job