SFP+ is a kind of fiber optic transceiver for the conversion of light and electricity signals, its full name is enhanced small form-factor pluggable. SFP+ is the upgraded version of SFP which can transmit a faster speed of 10 Gbps. It has the same appearance and connector as SFP but can provide a higer speed than SFP. Generally, when a SFP can support over 8Gbps, it will be called as SFP+. Although the price of SFP+ is more expensive than SFP, it costs less than XFP and has a more dense form factor package than XFP.