Cisco Compatible DACs
Cisco Compatible SFP-H25G-CU4M | 25G SFP28 Passive DAC Cable 4m
Buy Cisco compatible SFP-H25G-CU4M 25G SFP28 passive DAC cable for Cisco Nexus, Catalyst and UCS platforms. 4 meter twinax direct attach copper cable.
Cisco Compatible SFP-H25G-CU4M
25G SFP28 Passive Direct Attach Copper Cable | 4 Meter | Twinax DAC Cable
Product Overview
The Cisco compatible SFP-H25G-CU4M is a high-performance 25G SFP28 passive direct attach copper (DAC) cable designed for short-range high-speed Ethernet interconnections in enterprise and cloud data center environments.
Manufactured with premium twinax copper cable and integrated SFP28 connectors, this DAC cable delivers stable and low-latency 25GbE connectivity for:
- Top-of-rack (ToR) switching
- Server-to-switch connections
- Storage networking
- High-density rack deployments
- Cloud and hyperscale infrastructure
With a cable length of 4 meters, the SFP-H25G-CU4M provides a cost-effective and energy-efficient alternative to optical transceivers for short-distance network applications.
Key Features
- Supports 25Gbps Ethernet transmission
- Passive SFP28 Twinax DAC cable
- SFP28 to SFP28 direct attach design
- 4-meter cable length
- Ultra-low latency performance
- Very low power consumption
- Hot-pluggable SFP28 connectors
- Excellent EMI shielding capability
- Fully compliant with SFP28 MSA standards
- 100% tested for Cisco compatibility
Compatible Cisco Platforms
The Cisco compatible SFP-H25G-CU4M is compatible with many Cisco networking devices including:
Cisco Nexus Series
- Cisco Nexus 93180YC-EX
- Cisco Nexus 93108TC-EX
- Cisco Nexus 9336C-FX2
- Cisco Nexus 9364C
- Cisco Nexus 9500 Series
Cisco Catalyst Series
- Cisco Catalyst 9300X Series
- Cisco Catalyst 9500 Series
- Cisco Catalyst 9600 Series
Cisco UCS Platforms
- Cisco UCS Fabric Interconnect 6332
- Cisco UCS Fabric Interconnect 6454
- Cisco UCS C-Series Rack Servers
- Cisco UCS B-Series Blade Servers
Cisco ASR Series
- Cisco ASR 9000 Series
- Cisco ASR 1000 Series
Cisco MDS Storage Networking
- Cisco MDS 9000 Series
Compatibility may vary depending on Cisco hardware revision and software version.
Technical Specifications
Parameter | Description |
|---|---|
Part Number | SFP-H25G-CU4M |
Cable Type | Passive Direct Attach Copper Cable (DAC) |
Form Factor | SFP28 to SFP28 |
Data Rate | 25Gbps |
Cable Length | 4 Meters |
Media | Twinax Copper |
AWG | 26AWG–30AWG (Typical) |
Connector Type | SFP28 |
Power Consumption | Near Zero |
Hot Swappable | Yes |
Operating Temperature | 0°C to 70°C |
Compliance | SFP28 MSA, RoHS |
Product Advantages
Lower Deployment Cost
Provides an economical solution for short-distance 25G Ethernet connectivity compared with fiber optics.
Ultra-Low Latency
Passive DAC design minimizes transmission delay for high-performance networking environments.
Energy Efficient
Consumes significantly less power than optical transceiver solutions.
Proven Cisco Interoperability
Fully tested with Cisco switches, routers, and servers to ensure reliable operation.
Typical Applications
- 25G Ethernet data center networking
- Top-of-rack (ToR) switching
- Server-to-switch interconnects
- Storage networking
- Enterprise data center infrastructure
- Cloud and hyperscale environments
- HPC (High Performance Computing)
- Short-range rack-to-rack connectivity
Quality Assurance
Each Cisco compatible SFP-H25G-CU4M cable undergoes:
- Signal integrity testing
- Cisco compatibility verification
- EEPROM validation
- Reliability and stability testing
- Aging and performance tests
Ordering Information
Part Number | Description |
|---|---|
SFP-H25G-CU4M | 25G SFP28 Passive DAC Cable, 4 Meter |
FAQ
What is the maximum transmission distance?
The SFP-H25G-CU4M supports transmission distances up to 4 meters.
Is this cable passive or active?
This is a passive SFP28 DAC cable.
Does the cable support hot swapping?
Yes. The cable supports hot-pluggable operation.
Which Cisco platforms commonly use this cable?
It is widely used with Cisco Nexus, Catalyst, UCS, ASR, and MDS platforms.
Can compatibility coding be customized?
Yes. Multi-vendor compatibility coding is available upon request.
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