Your search for "Q56DD-400G-EDR4" revealed the following:

Dell Q56DD-400G-EDR4 400GB BASE-DR4+ 1310nm MPO-12 SMF 2km QSFP-DD Transceiver

SKU: NSB-6054
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 939.99

$ 1,116.99

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