40Gb/s 10km QSFP + Transceiver bụ modul transceiver emebere maka ngwa nkwurịta okwu anya 10Km.Nhazi ahụ kwekọrọ na 40GBASE-LR4 nke ọkọlọtọ IEEE P802.3ba na QSFP Multi-Source Agreement (MSA).