Since the switches are close to each other, another recommendation would be for DAC cables:
https://www.amazon.com/ipolex-0-5-Meter-SFP-H10GB-CU0-5M-Ubiquiti-Supermicro/dp/B06XNRLWCQ/
I have used 2 of these: https://smile.amazon.com/gp/product/B06XNRLWCQ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1 Very reliable.