SFP-H25G-CU5MCisco SFP-H25G-CU5M Compatible 25G SFP28 Passive Copper Twinax Cable, 5m (16ft)
This 5m (16ft) SFP-H25G-CU5M compatible assembly provides 25G DAC connectivity for Cisco interfaces in a SFP28 to SFP28 configuration. It is supplied as one complete cable, with specifications and installation guidance that help high-density racks balance reach, connector access and airflow while retaining the exact OEM reference required by the host.
OEM Part Number: SFP-H25G-CU5MHT Part Number: SFP-H25G-CU5M
Product Highlights
- Compatible alternative to Cisco SFP-H25G-CU5M
- 25G connectivity at 25Gbps
- Interface configuration: SFP28 to SFP28
- Fixed length and part number: 5m (16ft), SFP-H25G-CU5M
- Conductor specification: 26AWG
- Minimum bend radius: 28mm
Specifications
| HT Part Number | SFP-H25G-CU5M |
|---|---|
| Cisco Compatible | SFP-H25G-CU5M |
| Manufacturer | HT |
| Connector Type | SFP28 to SFP28 |
| Max Data Rate | 25Gbps |
| Minimum Bend Radius | 28mm |
| Wire AWG | 26AWG |
| Cable Length | 5m (16.4ft) |
| Jacket Material | PVC (OFNR) |
| Typical Power Consumption | ≤0.5W |
| Power Supply | 3.3V |
| Temperature | 0 to 70°C (32 to 158°F) |
| Protocols | IEEE 802.3, SFP28 MSA, SFF-8402, Infiniband, EIA 364-1000 |
| Application | 25G Ethernet, Data Center, 5G Wireless |
Cable Construction and Routing
This assembly uses 26AWG conductors, PVC (OFNR) jacket, minimum bend radius 28mm. These mechanical characteristics affect how the cable should be dressed behind the equipment. Avoid sharp edges, excessive ties and repeated tight bends close to the connector boots.
Length Selection and Installation Planning
The 5m (16ft) length gives SFP-H25G-CU5M more freedom for adjacent-rack and row-end deployments. Longer copper runs need particular attention to routing weight and bend control; the DAC specification and host support must still match the intended link.
Position Within the Length Range
SFP-H25G-CU5M is the longest of 7 verified length options in this family. Compared with SFP-H25G-CU4M at 4m (13ft), it provides 1m of additional reach for a longer vertical drop, a wider rack or an adjacent-cabinet route. Confirm that the complete path requires this length, because unused slack still needs supported, bend-safe storage.
High-Density Rack Integration
In a densely populated rack, connector access and airflow are part of the link design. Choose the shortest length that follows the managed path comfortably, avoid tight bundles around the connector housings and preserve room for latch operation. Where power consumption is listed, include every populated interface in the host thermal budget rather than assessing a single cable in isolation. For this assembly, the listed conductor specification is 26AWG; the minimum bend radius is 28mm; the jacket material is PVC (OFNR).
Network and Protocol Considerations
The intended application is 25G Ethernet, Data Center, 5G Wireless. Listed interface and protocol references include IEEE 802.3, SFP28 MSA, SFF-8402, Infiniband, EIA 364-1000. Confirm that the host firmware and port configuration support the same operating mode.
Passive Copper Operation
A passive DAC has no separate optical conversion stage. Its low-power, low-latency operation is useful for short equipment links, but the assembly must remain within the length and signaling mode accepted by both hosts.
Quality Assurance and Packaging
Each assembly receives a visual connector inspection and functional link check before it is coiled and protected. Packaging is selected to avoid compressing the cable into a tight bundle, and optional rack-based labels help maintain an orderly installation when many identical interfaces are populated together. Neutral packaging and customer-specific packing documentation are available on request.
Ordering Information
Provide the exact part number, length, quantity and target interface density. For multi-rack projects, list each length separately and identify any preferred carton grouping. Host model and software information can be included for a compatibility review before production or dispatch. This page’s fixed configuration is 5m (16ft); another length must be quoted under its corresponding part number.
Cisco Compatibility and Factory Testing
The assembly is evaluated for host recognition and stable link operation, with diagnostics checked where the interface provides them. This approach verifies more than electrical or optical continuity. Exact platform and firmware information remains valuable in high-density deployments because port mode and qualification policy can differ within the same connector family. Both connectors are examined before the operating test, which includes link stability and diagnostic indications.
Frequently Asked Questions
Is this an original Cisco cable?
No. It is an HT-manufactured compatible alternative for equipment that specifies Cisco SFP-H25G-CU5M.
Can different brands be connected with the same assembly?
Only where both hosts explicitly support the complete interface and compatibility arrangement. Document each end and select the appropriate brand-specific product when required.
Does this order code cover multiple lengths?
No. SFP-H25G-CU5M refers here to 5m (16ft). Every other verified length has a separate part number and page in the length list.
Are separate transceivers or patch leads required?
No. This is one complete direct-attach assembly. The ends are not detachable modules and should not be separated from the cable.
Shipping and Lead Time
Available stock is normally prepared for dispatch within one to three working days, while larger production requirements are scheduled with the order. International express, air cargo and sea freight can be selected according to destination and carton volume; customer courier accounts and nominated forwarders are also accepted.
