QSFP - QSFP+
- QSFP+, often known as QSFP, is an abbreviation for quad (4-channel) SFP+
- unlike SFP+, QSFP+ features 4x data lanes in the same module to support much higher speeds: 40Gbps or 56Gbps
- it supports 4x10G or 4x14G SFP+ data rates to enable increased bandwidth capabilities
- it cannot connect with SFP+ directly
- it is targeted for the high-speed data center and storage network