Generic GLC-SX-MM vs Cisco SFP-10G-SR

NOT EQUIVALENT

Specification matrix

ParameterCisco SFP-10G-SRGeneric GLC-SX-MM
Form FactorSFP+SFP
Data Rate10 Gbps1 Gbps
MediaMMFMMF
Wavelength850 nm850 nm
Reach300 m550 m
Cost / Gbps$18.00$8.00

Planning storage for this link?

High-throughput SR links usually feed a NAS/SAN. Keep an offsite copy:

→ Backblaze B2 setup for high-throughput NAS/SAN storage

Sources