AscentOptics’ 40G QSFP+ (Quad Small Form-Factor Pluggable Plus) provides high-density 40G connectivity options for high-performance computing networks and large data centers. We provide a full range of 40G QSFP+ optical transceivers, including SR4, SR BIDI, SWDM4, IR4, LR4, LX4, PSM IR4, PSM LR4, ER4, ZR4. They adopt the optical cables with LC or MPO connectors. They are compliant with 40G QSFP+ MSA and IEEE802.3bm, SFF-8436. It has the characteristics of low power consumption, small volume, high speed, which is beneficial to increase the capacity of data centers, improve the port density and reduce the power consumption.