The RJ45 connector is standardized as the IEC 60603-7 8P8C modular connector with eight conductors.
The enhanced small form-factor pluggable (SFP+) is a rectangular connector, it is an enhanced version of the SFP that supports data rates up to 16 Gbit/s. It is a popular industry format supported by many network component vendors.
QSFP(+) - (Enhanced) Quad Small Form Factor Pluggable is an elongated rectangular connector designed to carry Serial Attached SCSI, 40G Ethernet, QDR (40G) and FDR (56G) Infiniband, and other communications standards.
The Quad Small Form-factor Pluggable (QSFP) is a compact, hot-pluggable elongated rectangular connector, used for Infiniband or other data communications applications.
That combination is no longer available on the Supermicro Online Store.