Management Interface
In order to allow access to multiple QSFP-DD modules on the same 2-wire serial bus, the QSFP-DD includes a module select pad, ModSelL. This input (which is pulled high, deselected in the
Choosing 400G NICs by Network Interface: OSFP,
Explore FS 400G NICs and their network interfaces—OSFP, QSFP-DD, and QSFP112. Learn how to choose the right 400G adapter for AI, HPC, and
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
All About QSFP Cables, Connectors, and More
Amphenol is your industry leader when it comes to the innovation, design, manufacture, and supply of high-performance cable connectors and
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 Connectors | High Speed I/O | Amphenol
The QSFP-DD family supports legacy QSFP channels on the front interface and four additional channels on the rear interface. This interconnect system optimizes density and power
Customized 400G OSFP Flat Top to 400G QSFP-DD Passive Direct
The 400G OSFP to 400G QSFP-DD DAC provides a 400G copper direct-attach solution and it is suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link
Models, specifications, and compatibility
*Wattage may impact operating temperature for select switches. Aruba 9300 switch series limit the use of QDD optics/AOCs if running at low-line AC Voltage
Models, specifications, and compatibility
These 200G Q-DD AOCs automatically configure a Q-DD port to operate in 4-channel QSFP56 mode. Because of the 2xQSFP28 ends, this limits the Q-DD port to 200G (2 channels of 100G each).
400G QSFP-DD Cable and Transceiver Modules Data Sheet | FS
QSFP-DD to 4xQSFP28 cable assemblies are high performance, high bandwidth and cost effective interconnect solutions that support 400G standard applications with different data rates.
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 (Double Density) Interconnect System and Cable
QSFP-DD Interconnect System''s 8-lane electrical interface transmits up to 28 Gbps NRZ or 56 Gbps PAM-4, up to 200 or 400 Gbps aggregate, with the same footprint as QSFP Interconnects, making
QSFP-DD Optical Module Overview: What is the differ?
This article will introduce the next generation optical module in detail, QSFP-DD, also known as quad small factor pluggable, and this article will also
2025 SFP vs QSFP Port on Switches: Key Differences, Benefits, Cases
Discover the differences between SFP and QSFP port on switch. Learn about speed, bandwidth, transmission distance to choose for your enterprise or data center.
Understanding Backward Compatibility with QSFP-DD,
Network improvements and transceiver functionality are inextricably related to backward compatibility. A thorough explanation of backward
HPE Networking Comware Data Center Switch 64p QSFP‑DD 400G
High-performance 25.6 Tbps, high-density access, aggregation or core switch designed for enterprise data centers, cloud service providers, and telcos. Supports a maximum of 64 400G QSFP-DD®
QSFP Double Density (DD) Interconnect System
Amphenol Commercial QSFP Double Density (DD) Interconnect System is backwards mating compatible with QSFP products. The connectors
QSFP28 modules
QSFP-DD modules Always refer to the Datasheet or QuickSpecs for the switch product to see the current list of supported transceivers. Datasheets/QuickSpecs do not usually detail specific notes for
HPE Networking Comware Data Center Switch 24-port 100/200G
This data sheet provides detailed information about HPE Networking Comware Data Center Switch 24-port 100/200G QSFP56 8-port 400G QSFP-DD 5960
Cisco QSFP-DD Pluggable Open Line System (QSFP-DD OLS)
Product overview The Cisco® QSFP-DD Open Line System (QSFP-DD OLS) is a pluggable optical amplifier module that, together with the channel breakout options (described later), provides a simple
10/25/40/100GbE Data Center Switches
QSFPTEK provides a variety of 10/25/40/100G speed data center switches, offering the best-priced high-performance solutions for large enterprises and cloud providers. Power up your data center with