SFP vs SFP+ vs QSFP: What's the difference?

According to different transmission media , SFP module types include fiber SFP modules and copper SFP

Buy Netstar 101001000 Mbps Ethernet to SFP Media Converter with SFP Slot – Supports 1G SX, 1G LX SFP Modules 1 Port SFP to 1 RJ45

sfp slot 8 ports SFP slot & 1 port 101001000 Gigabit Optical Fiber Switch · It can switch Ethernet signals among 101001000M UTP port and 8 1000M Optical Fiber

sfp slot meaning Industrial Gigabit Unmanaged PoE Switch with SFP slot DIS-100G-5PSW Product Status: Live Live 4 x 1001000BaseT PoE ports, 1 x 1001000BaseSFP slots; 120 W