How Much Information Can Travel On One Single Mode Fiber?

How Much Information Can Travel On One Single Mode Fiber? Based on fiber performance calculations, single-mode fiber can be used in distances up to 10 km (6.21 miles) for certain Ethernet protocols. Can single mode fiber support 10gb? As noted before, single-mode patch cables can be used for 10G 10GBASE-LRM SFP+, 10GBASE-LR SFP+, 10GBASE-ER SFP+,