Your search for "QDD-400G-FR4" revealed the following:

Cisco QDD-400G-FR4-S 400GB BASE-FR4 Duplex LC 2km Duplex SMF QSFP-DD Transceiver

SKU: NSB-2430
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 367.99



• Only 2 remaining
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NEW Arista QDD-400G-FR4 400GB BASE-FR4 1310nm SMF 2km QSFP-DD Transceiver

SKU: NSN-6734
Condition: New
Shipping: Overnight Options
Warranty: 365 days

$ 437.99

$ 574.99

• Only 2 remaining
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Arista QDD-400G-FR4 400GB BASE-FR4 1310nm SMF 2km QSFP-DD Transceiver

SKU: NSB-5245
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 429.99

$ 562.99

• Only 2 remaining
Call if you need more