What is the Sandstone QSFP-H40G-CU3M-ST?
The Sandstone QSFP-H40G-CU3M-ST is a network switch, listed by the manufacturer as "40G DAC cable 3m HPE and Dell NICs from one side and Juniper/Cisco switches from other side". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.