QSFP28 to 4x SFP28-100G-DAC-5M16FT 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Active Copper Breakout Cable, 5m (16ft)
The assembly listed here is the 5m (16ft) member of the QSFP28 to 4x SFP28-100G-DAC-5M16FT product family for Generic equipment. It provides 100G DAC connectivity through QSFP28 to 4x SFP28. Project teams can use the detailed table, related references and documentation-oriented packing information to keep each delivered cable aligned with its planned endpoints.
OEM Part Number: QSFP28 to 4x SFP28-100G-DAC-5M16FTHT Part Number: QSFP28 to 4x SFP28-100G-DAC-5M16FT
Product Highlights
- HT-manufactured DAC assembly in 5m (16ft)
- 100G connectivity at 100Gbps
- Interface configuration: QSFP28 to 4x SFP28
- Fixed length and part number: 5m (16ft), QSFP28 to 4x SFP28-100G-DAC-5M16FT
- Cable construction: Active Breakout DAC
- Conductor specification: 28AWG
- Maximum power consumption: 1.8W
- Minimum bend radius: 40mm
Specifications
| HT Part Number | QSFP28 to 4x SFP28-100G-DAC-5M16FT |
|---|---|
| Manufacturer | HT |
| Form Factor | QSFP28 to 4x SFP28 |
| Max. Data Rate | 100Gbps |
| Media | Copper |
| Cable Type | Active Breakout DAC |
| Cable Length | 5m (16ft) |
| Jacket Material | PVC (OFNR) |
| Minimum Bend Radius | 40mm |
| Wire AWG | 28AWG |
| Max. Power Consumption | 1.8W |
| Modulation Format | QSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Application | 100G/25G Ethernet |
| Protocols | QSFP28 MSA, SFP28 MSA, SFF-8665, SFF-8679, SFF-8472, SFF-8402 |
Signal and Lane Configuration
The listed modulation format is QSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ. Both host interfaces must be configured for the same aggregate rate and lane arrangement. A connector that fits mechanically does not by itself guarantee that the remote port supports this encoding or breakout mode.
Length Selection and Installation Planning
The 5m (16ft) length gives QSFP28 to 4x SFP28-100G-DAC-5M16FT 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
QSFP28 to 4x SFP28-100G-DAC-5M16FT occupies the middle of this family between QSFP28 to 4x SFP28-100G-DAC-3M10FT at 3m (10ft) and QSFP28 to 4x SFP28-100G-DAC-7M23FT at 7m (23ft). It adds 2m over the shorter option for extra routing clearance, while the next longer version adds another 2m. Measure the managed path and choose this version when its reach is sufficient without creating the slack associated with the longer assembly.
Project Documentation and Cable Identification
Large deployments are easier to audit when the order code, physical length and endpoint record agree. Keep the OEM reference in the compatibility document and use the HT part number on the packing list. Where several lengths arrive together, labels and carton groups can be arranged by rack or port plan so installers do not have to identify cables by appearance alone. For this assembly, the listed conductor specification is 28AWG; the minimum bend radius is 40mm; the stated power consumption is 1.8W; the jacket material is PVC (OFNR).
Power and Thermal Planning
The rated power consumption is 1.8W. Include this load in the host-port power and thermal budget, especially in densely populated switches. Maintain front-panel clearance and do not bundle the cable so tightly that it obstructs airflow around the connectors.
Cable Construction and Routing
This assembly uses 28AWG conductors, PVC (OFNR) jacket, minimum bend radius 40mm. 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.
Network and Protocol Considerations
The intended application is 100G/25G Ethernet. Listed interface and protocol references include QSFP28 MSA, SFP28 MSA, SFF-8665, SFF-8679, SFF-8472, SFF-8402. Confirm that the host firmware and port configuration support the same operating mode.
Breakout Port Mapping
The QSFP28 to 4x SFP28 configuration divides the high-speed interface into multiple lower-speed connections. Verify the upstream lane assignment, downstream port speeds and breakout setting on the host before connecting the assembly. Each branch must attach to the correct remote interface.
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.
Generic Compatibility and Factory Testing
Factory verification links the compatibility identity to the exact physical assembly described on this page. Identification, connector condition and live link behavior are checked before packing. Customers can submit equipment and firmware details with the project documentation for a more specific pre-order compatibility review. Where supported by the host, link stability and diagnostic indications are reviewed together with the established link.
Frequently Asked Questions
Is this an original equipment manufacturer cable?
No. It is manufactured by HT under our own manufacturer identity.
How should an unused assembly be stored?
Protect both connector ends, keep the cable in a loose bend-safe coil and retain its part-number label so the length and compatibility identity remain traceable.
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. QSFP28 to 4x SFP28-100G-DAC-5M16FT refers here to 5m (16ft). Every other verified length has a separate part number and page in the length list.
Ordering Information
Use the listed HT part number for ordering and retain the OEM reference as the host-compatibility cross-reference. Send quantities by length, along with any rack-based packing or label instructions. If the project has mixed equipment, include the host model for each group rather than relying only on the aggregate cable rate. Quantity and any labeling instructions should be attached specifically to QSFP28 to 4x SFP28-100G-DAC-5M16FT.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, while production quantities are confirmed 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.
Quality Assurance and Packaging
Inspection and link testing are completed before the cable enters its protective packaging. Project orders can be packed and labelled by length, rack or customer reference, with packing documentation that makes received quantities straightforward to reconcile against the installation schedule. Standard protective packing is used by default, with project documentation arranged when requested.
