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NVIDIA/Mellanox MFA7A20-C010 Compatible 100G QSFP28 4 x 25G NRZ to 2 x 50G QSFP28 2 x 25G NRZ Ethernet Active Optical Breakout Cable, 10m (33ft)

NVIDIA/Mellanox MFA7A20-C010 Compatible 100G QSFP28 4 x 25G NRZ to 2 x 50G QSFP28 2 x 25G NRZ Ethernet Active Optical Breakout Cable, 10m (33ft)

The HT-manufactured MFA7A20-C010 compatible cable provides 100G connectivity for NVIDIA/Mellanox equipment. This 10m (33ft) version is a factory-terminated active optical link with the optical engines and fiber integrated into the assembly, with an exact part number and length that can be matched directly to the equipment requirement.

OEM Part Number: MFA7A20-C010HT Part Number: MFA7A20-C010

Product Highlights

  • Compatible alternative to NVIDIA/Mellanox MFA7A20-C010
  • 100G connectivity at 100Gbps
  • Interface configuration: QSFP28 to 2x QSFP28
  • Fixed length and part number: 10m (33ft), MFA7A20-C010
  • Cable construction: Breakout AOC
  • Maximum power consumption: 2.2W (100G Per End)1.5W (50G Per End)
  • Minimum bend radius: 30mm
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

HT Part NumberMFA7A20-C010
NVIDIA/Mellanox Ethernet CompatibleMFA7A20-C010
ManufacturerHT
Form FactorQSFP28 to 2x QSFP28
Max. Data Rate100Gbps
Cable Length10m (33ft)
Cable TypeBreakout AOC
Wavelength850nm
Minimum Bend Radius30mm
Transmitter TypeVSCEL
Receiver TypePIN
Max. Power Consumption2.2W (100G Per End)1.5W (50G Per End)
Modulation Format4x 25G-NRZ to 2x 25G-NRZ
CDR (Clock and Data Recovery)TX & RX Built-in CDR
Jacket MaterialOFNP
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
ProtocolsQSFP28 Electrical MSA, SFF-8636, SFF-8665

Signal and Lane Configuration

The listed modulation format is 4x 25G-NRZ to 2x 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.

Position Within the Length Range

MFA7A20-C010 occupies the middle of this family between MFA7A20-C007 at 7m (23ft) and MFA7A20-C020 at 20m (66ft). It adds 3m over the shorter option for extra routing clearance, while the next longer version adds another 10m. Measure the managed path and choose this version when its reach is sufficient without creating the slack associated with the longer assembly.

Power and Thermal Planning

The rated power consumption is 2.2W (100G Per End)1.5W (50G Per End). 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 OFNP jacket, minimum bend radius 30mm. 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 determined by the host interface and protocol support. Listed interface and protocol references include QSFP28 Electrical MSA, SFF-8636, SFF-8665. Confirm that the host firmware and port configuration support the same operating mode.

Breakout Port Mapping

The QSFP28 to 2x QSFP28 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.

Integrated Optical Assembly

The optical engines and fiber are permanently integrated into this AOC. There are no detachable optical modules to clean or exchange. Handle the complete assembly by its connector housings and cable, and keep both ends matched to the same interface specification.

Length Selection and Installation Planning

The extended 10m (33ft) reach supports connections across adjacent racks or between separated equipment rows. Secure the cable along its route, protect both ends from pull loads and preserve ventilation. The integrated AOC construction avoids a chain of separate modules and patch leads.

NVIDIA/Mellanox Compatibility and Factory Testing

Each MFA7A20-C010 compatible cable is powered up on a suitable test interface rather than checked only for continuity. We confirm the expected identification and observe optical link operation, receive activity and diagnostic readouts. Because operating systems can apply different qualification rules by hardware revision, the intended NVIDIA/Mellanox platform should be included with the order.

Ordering Information

This product is ordered as MFA7A20-C010 in 10m (33ft). Include the equipment model and software release if you would like a pre-order compatibility review. Other lengths use different part numbers and should not be substituted into the same order line.

Frequently Asked Questions

Is this an original NVIDIA/Mellanox cable?

No. It is an HT-manufactured compatible alternative for equipment that specifies NVIDIA/Mellanox MFA7A20-C010.

Are separate optical modules required?

No. The connectors and cable form one complete direct-attach assembly. Do not attempt to detach or replace either end.

Can the cable be folded to shorten its routing path?

No. Follow the specified minimum bend radius and route the 10m (33ft) assembly without tight folds, sharp edges or excessive cable ties.

Can I use it between different speeds or interface types?

Only when both hosts explicitly support the same data rate, lane mapping and breakout configuration. Mechanical fit alone is not proof of interoperability.

Quality Assurance and Packaging

Production inspection covers both physical condition and a live link check. Connector ends receive individual protection, and the completed assembly is packed without tight ties or sharp bends. For multi-length projects, cartons can be separated and labelled by OEM part number to simplify installation on site.

Shipping and Lead Time

Stock items are generally dispatched within one to three working days after order confirmation. DHL, UPS, FedEx, TNT and EMS are available for international delivery; larger consolidated orders can move by air or sea freight. Customer courier accounts and nominated forwarders are accepted.

 

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