X131 10G X2 standard connector (SC) short range (SR) transceiver - X2 form-factor transceiver with one duplex SC 10-Gbe port - Uses 850nm laser - For use with 62.5/125um or 50/125um graded index multimode fiber optic cable
HPE X2 SR Transceivers
HPE Switch X2 Modules
HPE ProCurve 2900 Switch series