CircularTelecomParts Catalogue
Part Number
Part Overview
Sandstone QDD-400G-LR4-S-ST: a QSFP optical transceiver module (Cisco Compatible 400G QSFPDD, 400GBASE-LR4, 1310 nm, 10km SMF LC, DDM, C-Temp, With FEC). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Sandstone QDD-400G-LR4-S-ST is a QSFP optical transceiver module, listed by the manufacturer as "Cisco Compatible 400G QSFPDD, 400GBASE-LR4, 1310 nm, 10km SMF LC, DDM, C-Temp, With FEC". 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-LR4-S-ST, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue