CircularTelecomParts Catalogue
Part Number
Part Overview
Manufactured by Sandstone, the QDD-400G-ZR-S-ST (Cisco Compatible Multi-Rate QSFP-DD, 400GBASE-ZR COHERENT OIF, Tunable, 40km SMF LC, DDM, C-Temp, WHITE Latch) is a QSFP optical transceiver module. Circular Telecom sources, tests, and resells surplus and refurbished Sandstone equipment like this as part of a lower-carbon alternative to new procurement.
Common Questions
The Sandstone QDD-400G-ZR-S-ST is a QSFP optical transceiver module, listed by the manufacturer as "Cisco Compatible Multi-Rate QSFP-DD, 400GBASE-ZR COHERENT OIF, Tunable, 40km SMF LC, DDM, C-Temp, WHITE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Sandstone network equipment, including parts such as the QDD-400G-ZR-S-ST, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue