Ma module a QSFP + transceiver adapangidwa kuti azigwiritsidwa ntchito mu 40 Gigabit pamphindikati zolumikizirana pamtundu wa multimode fiber, kuphatikiza kuphulika kwa ma Gigabit anayi pa sekondi imodzi.Amagwirizana ndi QSFP+ MSA ndi IEEE 802.3ba, 40GBASE-SR4 ndi IEEE 802.3ba 10GBASE-SR.Ntchito zowunikira za digito zimapezeka kudzera pa mawonekedwe a I2C, monga momwe QSFP + MSA yafotokozera.