OM4 vs the newer OM5 cabling option
"OM4 and Single-Mode Leave No Place for Unproven OM5. Due to new transceiver launches, coupled with customer perception of their needs and network requirements, the market is ignoring the new, unproven OM5 cable and sticking with proven solutions like OM4 and single-mode fiber." #Leviton (from https://www.leviton.com/en/support/contact-us/product-support/networking/crosstalk-newsletter/jan-feb-2019#story3)
This is an interesting article put out by Leviton about OM4 vs the newer OM5 cabling options.