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400G QSFP-DD Optical Transceivers
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QSFP-DD-SR8-400G-100M | 400G QSFP-DD Optical Transceiver QSFP-DD-SR8-400G-100M | 400G QSFP-DD Optical Transceiver

400GBASE-SR8 QSFP-DD PAM4 Optical Transceiver Module (MMF, 850nm, 100m, MTP/MPO, DOM).

Our Price: $375.00
QDD-DR4-400G-500M | 400G QSFP-DD Optical Transceiver QDD-DR4-400G-500M | 400G QSFP-DD Optical Transceiver

400GBASE-DR4 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 500m, MTP/MPO, DOM).

Our Price: $675.00
QSFPDD-XDR4-400G-2KM | 400G QSFP-DD Optical Transceiver QSFPDD-XDR4-400G-2KM | 400G QSFP-DD Optical Transceiver

400GBASE-XDR4 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 2km, MTP/MPO, DOM).

Our Price: $745.00
QSFPDD-FR4-400G-2KM | 400G QSFP-DD Optical Transceiver QSFPDD-FR4-400G-2KM | 400G QSFP-DD Optical Transceiver

400GBASE-FR4 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 2km, LC, DOM).

Our Price: $795.00
QSFPDD-LR4-400G-10KM | 400G QSFP-DD Optical Transceiver QSFPDD-LR4-400G-10KM | 400G QSFP-DD Optical Transceiver

400GBASE-LR4 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM).

Our Price: $1,145.00
QSFPDD-LR8-400G-10KM | 400G QSFP-DD Optical Transceiver QSFPDD-LR8-400G-10KM | 400G QSFP-DD Optical Transceiver

400GBASE-LR8 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 10km, LC, DOM).

Our Price: $3,795.00
QSFPDD-ER8-400G-40KM | 400G QSFP-DD Optical Transceiver QSFPDD-ER8-400G-40KM | 400G QSFP-DD Optical Transceiver

400GBASE-ER8 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 40km, LC, DOM).

Our Price: $6,595.00
   
 

400G QSFP-DD Optical Transceivers

400G QSFP-DD Optical Transceivers are designed to deliver ultra-high bandwidth and exceptional port density for next-generation data centers, cloud infrastructures, and service provider networks. At Compufox, we offer a comprehensive range of QSFP-DD transceivers engineered for reliable, scalable, and energy-efficient 400G connectivity.

Our selection supports leading IEEE and MSA standards including 400GBASE-DR4, FR4, LR4, SR8, and DR4+, enabling flexible deployment across short-reach, mid-reach, and long-reach applications over single-mode and multimode fiber. The QSFP-DD (Quad Small Form-Factor Pluggable Double Density) form factor allows for increased bandwidth per port while maintaining backward compatibility with existing QSFP infrastructures.

All 400G QSFP-DD optical transceivers from Compufox are fully tested for performance, interoperability, and reliability, ensuring seamless integration with major switching and routing platforms. Whether you are scaling a spine-leaf architecture, building AI/ML clusters, or expanding high-capacity core networks, our 400G QSFP-DD transceivers provide the speed, stability, and efficiency required for mission-critical environments.