Each QSFP-DAC-5M-ENC transceiver operates at 40 Gbps / (4) 10 Gbps over Copper with a maximum reach of 5 meters. All ENET OEM Compatible transceivers are MSA compliant for seamless integration and RoHS compliant for environmental conformity. All ENET transceivers are 100% tested in-house for functionality and compatibility and backed by a Lifetime Replacement Warranty.