QSFP-DD Optical Transceivers for High-Speed Connections
QSFP-DD ports incorporate a riding heatsink that can be sized independently of the optical module, added on top of the module, or placed between modules. This flexibility enables switch and routing
QSFP-DD Connector System
QSFP-DD Interconnect System''s 8-lane electrical interface transmits 28G NRZ, 56G PAM-4 and 112G PAM-4, up to 200, 400 or 800 Gbps aggregate. Backwards compatible with QSFP.
QSFP-DD Compatible Switches: Complete 2025 Vendor Guide
Find which switches support QSFP-DD modules. Our 2025 guide covers Cisco, Arista, Juniper and NVIDIA platforms with backward compatibility tips.
QSFP-DD Series
QSFP-DD can enable up to 14.4 Tbps aggregate bandwidth in a single switch slot. QSFP-DD electrical interfaces will employ eight lanes that operate up to 25 Gbps NRZ modulation or 50 Gbps PAM4
QSFP-DD Connectors | High Speed I/O | Amphenol
Amphenol''s QSFP-DD interconnect system delivers high-speed performance with exceptional signal integrity. With 76 contacts per port, eight high-speed channels, and grounded, low
SFP vs SFP+ vs QSFP vs QSFP28 vs QSFP-DD: Upgrade Guide
Compare SFP, SFP+, QSFP, QSFP28, and QSFP-DD by speed, lane count, compatibility, breakout options, power, and upgrade path.
QSFP-DD Connectors, Cages and Cable Assemblies
QSFP-DD provides high-performance computing capability. The QSFP interconnects density is doubled with electrical interface, providing superior thermal and signal integrity.
Specification – QSFP-DD
July 11, 2019 – QSFP-DD Hardware Specification for QSFP DOUBLE DENSITY 8X PLUGGABLE TRANSCEIVER – Rev 5.0 May 8, 2019 – Common Management Interface Specification – Rev 4.0
SFP vs SFP+ vs QSFP vs QSFP28 vs QSFP-DD:
Compare SFP, SFP+, QSFP, QSFP28, and QSFP-DD by speed, lane count, compatibility, breakout options, power, and upgrade path.
QSFP-DD CONNECTORS & CABLE ASSEMBLIES PRODUCT
Our QSFP-DD cages feature a proprietary heat sink design, making them the only solution to work in 15-18W applications at a low cost – providing superior thermal and signal integrity performance.
Complete QSFP-DD Compatibility Guide for Data Centers
Complete QSFP-DD compatibility guide with switch matrix, firmware requirements, and MSA compliance. Verify module compatibility before you buy.
Telecom Racks & Cabinets
19-inch racks, wall-mount cabinets, open frames with high load capacity and seismic rating.
Outdoor Climate Cabinets
IP55/IP66 outdoor enclosures with integrated cooling/heating, -40°C to +55°C operation.
Smart PDUs & Power Distribution
Intelligent PDUs with remote monitoring, per-outlet switching, and environmental sensors.
Shelters & Network Cabinets
Prefabricated telecom shelters, emergency comms shelters, and network cabinets with cable management.