Alternate color or configuration shown Cisco QDD-400G-FR4-S network transceiver module QSFP-DD Cisco QDD-400G-FR4-S. Interface type: QSFP-DD, Fiber optic connector: LC, Ethernet interface type: 400 Gigabit Ethernet Manufacturers: Cisco Systems , Cisco SKU: 7432851 Manufacturer part number: QDD-400G-FR4-S MSRP: $6,754.61 Price: $5,312.50 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Specifications Contact Us Products specifications Attribute name Attribute value Performance Interface type QSFP-DD Fiber optic connector LC Network Ethernet interface type 400 Gigabit Ethernet Products specifications Attribute name Attribute value Performance Interface type QSFP-DD Fiber optic connector LC Network Ethernet interface type 400 Gigabit Ethernet