What is the Gigatech QSFP-4SFP10G-CU5M-GT?
The Gigatech QSFP-4SFP10G-CU5M-GT is a QSFP optical transceiver module, listed by the manufacturer as "40GBASE-CR4 QSFP+ to 4x10GBASE-CU SFP+ Passive Cable Cisco Compatible- 5M". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.