Some variants of this socket have more pins than 2011, most often 2084.

Haswell-E and Broadwell-E CPUs have 73 more metal contacts than a reference LGA2011 socket, some motherboard make use of these and have more pins in a socket.

Asus name for the LGA2084 version is OC Socket

Asus OC Socket Article:

• https://web.archive.org/web/20181112174529/https://rog.asus.com/articles/overclocking/asus-rog-x99-exclusive-oc-socket-extra-pins-extra-performance/

Article explaining the differences:

• https://www.hkepc.com/11785/Haswell-E%E5%B9%B3%E5%8F%B0%E7%9A%84%E7%A7%98%E5%AF%86_ASUS_OC_Socket%E5%8E%9F%E7%90%86%E8%88%87%E6%80%A7%E8%83%BD%E6%AF%94%E8%BC%83