In a cat7 10gb enviroment, do i need a tranceiver adapter when choosing a nic for a new system or can i buy a 10g nic with rj45?

In a CAT7 10Gb enviroment, we recommend you buy the 10Gb PCI-E NIC Network Card with copper RJ45 port through https://store.10gtek.com/10g-network-card-dual-rj45-port-x4-lane-intel-x550-t2-equivalent/p-20160 directly. That way you don't have to buy the transceiver adapter. If you have to buy the 10Gb NIC Network Card with SFP+ Port, then you have to buy the SFP+ to RJ45 Copper transceiver adapter through https://store.10gtek.com/10gbase-t-sfp-transceiver-10g-t-10g-copper-rj-45-sfp-cat-6a-up-to-30-meters-cisc/p-12176.