Thank you for posting in Wired Ethernet Communities.
We have NIC that supports 10G\40G and comes with QSFP+ connector. Sharing the links below for your reference.
Intel(R) Ethernet Network adapter XL710 product brief
QSFP+ Modules/Cables compatible with Intel(R) Ethernet Network adapter XL710 Series
Hope this helps.
Hi Subash, sharing the website link on where you can find Intel NIC that supports 25G.