Skip to content 
Direct Attach Copper Cable 100G QSFP28 to 4x25G SFP28 , 24AWG, Passive, 5M
Categories:
Product Highlights:
-
High-Speed Data Transfer: Supports 100G QSFP28 to 4x25G SFP28, delivering up to 25.8Gbps per channel.
-
Cost-Effective Solution: Passive DAC design for short-distance interconnects without the need for additional transceivers.
-
Data Center Ready: Ideal for merging switches, servers, and host adapters in high-density, high-performance environments.
Table of Contents
Description
FiberMania’s 100G QSFP28 to 4x25G SFP28 Direct Attach Copper (DAC) cable is engineered for short-distance, high-speed interconnects in modern data centers. The passive copper design enables efficient, low-latency connections between QSFP28 and 25Gb SFP28-enabled switches, servers, and host adapters. This 5-meter cable supports four independent full-duplex channels, each operating at 25.8Gbps, while consuming a single 3.3V power supply.
Specification
| Product Type | 100G QSFP28 to 4x25G SFP28 Direct Attach Copper Cable |
|---|---|
| Connector A | 1x QSFP28, 100Gbps rated |
| Connector B | 4x SFP28, 25Gbps rated |
| Cable Type | Passive DAC |
| Cable Length | 5 Meters |
| Wire Gauge | 24AWG Copper |
| Channels | 4 independent full-duplex channels |
| Data Rate | 25.8Gbps per channel |
| Power Supply | Single 3.3V |
| Applications | Data center interconnects, switch/server uplinks, NIC connections |
| OEM / ODM Options | Custom lengths, branding, packaging, jacket color modifications |
| Standards | QSFP28, SFP28, IEEE 802.3bj/by compliant |
Features
-
100G QSFP28 to 4x25G SFP28 connectivity
-
Passive copper direct attach design for short-range applications
-
Four full-duplex channels with 25.8Gbps per channel
-
Low power consumption with single 3.3V supply
-
24AWG high-quality copper wires for stable signal integrity
-
Plug-and-play, no additional configuration required
Applications
-
High-speed data center interconnects
-
Server and switch uplinks/downlinks
-
Host adapter connections
-
Short-reach, high-bandwidth environments
Frequently Asked Questions (FAQ)
Q: What is the maximum supported data rate per channel?
A: 25.8Gbps per channel.
Q: Is this cable active or passive?
A: Passive DAC (Direct Attach Copper).
Q: What is the cable length available?
A: This model is 5 meters; custom lengths available upon request.
Q: Which connectors does it support?
A: QSFP28 on one end, 4x SFP28 on the other end.
Q: Can it be used for long-distance applications?
A: No, this DAC cable is designed for short-reach data center connections.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
Related Products
Have Questions? Contact Our Product Experts or Sales Team Today! We Will Fedback You Soon.
