A network administrator is tasked with installing a new high-density switch in their corporate datacenter that supports 40Gbps connections to multiple servers. While determining the appropriate transceiver type for this implementation, which of the following would be the most suitable choice given the requirements for high-speed data transfer and high port density?
RJ45
Quad Small Form-factor Pluggable+ (QSFP+)
Small Form-factor Pluggable (SFP)
Enhanced Small Form-factor Pluggable (SFP+)