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.
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Server
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QSFP28
What are breakouts and how do you use them?
Network connectivity using breakout mode is becoming increasingly important as new high-speed ports become available on switches, routers, and other communication equipment.
Optical Transceivers from 1G to 400G | Solid Optics
Compatible optical transceivers 1G, 10G, 25G, 40G and 100G in multiple form factors including SFP, SFP+ XFP, QSFP+, QSFP28 and CFP with a lifetime warranty.
QSFP Cables Explained 2025: Types, DAC vs AOC, and DC Use Cases
Learn about QSFP cables: QSFP+, QSFP28, QSFP56, QSFP-DD. Compare DAC vs AOC, speeds, lengths, and use cases in data centers. Includes compatibility and tips.
Connectivity in the Era of Big Data: Adapting with QSFP28, SFP-DD,
This article discusses the transition of server connection speeds in data centers from 10GE and 25GE to 100GE and beyond. It introduces QSFP28, SFP-DD, and DSFP optical
QSFP-DD Optical Transceivers for High-Speed Connections
Cisco''s comprehensive portfolio of QSFP-DD modules support 400G and 800G data rates across copper, multimode fiber, and single-mode fiber, and are optimized for a broad range of
QSFP-DD Module Testing
QSFP-DD optical modules are the mainstream form factor for 400G client interfaces. This white paper shares the key factors in successful test, troubleshooting and validation of QSFP-DD modules for
What is QSFP-DD Transceiver: A Beginner Guide (2022)
QSFP-DD transceiver is becoming increasingly popular in data center applications nowadays. In this beginner''s guide, we will take a closer look at the QSFP-DD transceiver, introduce
QSFP-DD Hardware
August 7, 2020 Abstract: This specification defines: the electrical and optical connectors, electrical signals and power supplies, mechanical and thermal requirements of the pluggable QSFP Double
400G QSFP-DD Cable and Transceiver Modules Data Sheet
It provides a QSFP-DD-to-QSFP-DD copper direct-attach solution. They are suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-400G ports of
QSFP-DD Transceiver Guide 2026: Complete 400G/800G Deployment
Master QSFP-DD transceiver deployment for 400G/800G networks. Compare module types (SR8/DR4/FR4/LR4), cable options, pricing, and implementation best practices.
Optimizing AI Networks: Connecting 400G Ports with Backward
This article explores how to connect 400G ports with backward-compatible QSFP-DD modules while leveraging QSFP112 transceivers for AI servers, ensuring scalable, low-latency, and high-bandwidth
Cisco 400G QSFP-DD Cable and Transceiver Modules
It provides a QSFP-DD-to-QSFP-DD copper direct-attach solution. QDD-400-CuxM cables are suitable for very short links and offer a cost-effective way to establish a 400-Gigabit link between QSFP-DD
800G Transceivers: QSFP-DD vs OSFP, Which to Choose?
Learn the main differences between the two packages of 800G transceivers, QSFP-DD and OSFP, and compare their similarities and differences in 4 aspects: form factor, power
Cisco QSFP-DD800 Transceiver Modules Data Sheet
For more information and references on QSFP-DD cable guides, please click on the following link: Cisco Transceiver Modules - Brochures - Cisco Cisco QSFP-DD800 transceiver
SFP vs SFP+ vs QSFP vs QSFP28 vs QSFP-DD: Upgrade Guide
SFP, SFP+, QSFP, QSFP28, and QSFP-DD differ in bandwidth, lane architecture, physical size, power draw, and upgrade path. SFP-family modules are best for lower-speed edge
How to Achieve Interconnection Between OSFP and QSFP-DD Ports?
This article outlines key OSFP and QSFP-DD differences and offers four practical interconnection solutions to support scalable 400G/800G data center networks.
QSFP-DD vs. OSFP: From 400G to 800G and Beyond in the Data
400G isn''t just for hyperscale data centers anymore. With new Intel and AMD products on the market, it is common for each server to push beyond 10G. In turn, Top of Rack (ToR) or End of
QSFP-DD Hardware
QSFP-DD MSA family of modules and cages remain fully backward compatible with the classic QSFP+ formfactor. This document provides a common specification for systems manufacturers, system
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 introduce the difference between