NVIDIA/Mellanox QSFP-100G-2QAC Compatible 100G QSFP28 4 x 25G NRZ to 2 x 50G QSFP28 2 x 25G NRZ Ethernet Active Copper Breakout Cable

NVIDIA/Mellanox QSFP-100G-2QAC Compatible 100G QSFP28 4 x 25G NRZ to 2 x 50G QSFP28 2 x 25G NRZ Ethernet Active Copper Breakout Cable

This NVIDIA/Mellanox QSFP-100G-2QAC compatible cable series provides 100G connectivity through a QSFP28 to QSFP28 configuration. It is an active copper assembly with the cable and signal-conditioning interfaces supplied together. The page brings together the series specifications, compatibility guidance and direct links to the individual length and OEM part-number pages used for ordering.

Series Part Number: QSFP-100G-2QACHT Part Number: QSFP-100G-2QAC

Product Highlights

  • HT-manufactured compatible alternative for NVIDIA/Mellanox QSFP-100G-2QAC
  • 100G aggregate connectivity at 100Gbps
  • Interface configuration: QSFP28 to QSFP28
  • Active Twinax / Copper
  • Length configurations covered: 1m (3ft) and 2m (7ft)
  • Conductor specification: 30AWG
  • Power consumption: ≤1.5W
  • Operating temperature: 0 to 70℃ (32 to 158°F)

Available Lengths and Corresponding Part Numbers

The documented series configuration is 1m (3ft) and 2m (7ft). Use the relevant OEM reference below together with the HT identity and required length when requesting a quotation. If another length carries a different OEM part number, it must be reviewed and ordered as that distinct configuration.

Compatible OEM Part Numbers

  • QSFP-100G-2QAC01

Specifications

HT Part NumberQSFP-100G-2QAC
ManufacturerHT
Form FactorQSFP28 to QSFP28
Max Data Rate100Gbps
MediaCopper
Power Consumption≤1.5W
Minimum Bend Radius27.5mm
Wire AWG30AWG
Cable Length Options Covered1m (3ft) and 2m (7ft)
Jacket MaterialPVC (OFNR)
Cable TypeActive Twinax
Commercial Temperature Range0 to 70℃ (32 to 158°F)
Modulation Format4x 25G-NRZ to Dual 2x 25G-NRZ
Application100G Ethernet
ProtocolsSFF-8665, QSFP28 MSA, SFF-8636, SFF-8679

Applications and Deployment

An ACC link combines copper cabling with active electronics at the connector ends. It avoids separate patch leads but is not interchangeable with a passive DAC merely because the cages look alike. Confirm the supported cable type, lane mode and power allowance on every attached port. For this series, the listed interface is QSFP28 to QSFP28 and the aggregate rate is 100G. The stated application is 100G Ethernet.

Quality Assurance and Packaging

Each cable receives connector inspection and a functional link check before it is coiled with bend-safe slack and packed. Protective materials shield the connector housings during transport. Rack or project labels are available to keep length, part number and installation destination aligned. Both connector ends are inspected as part of the complete assembly, and protective packing is selected to avoid tight bends during transport and storage.

Cable Construction and Routing

The specification table records the conductor specification is 30AWG; the jacket material is PVC (OFNR); the minimum bend radius is 27.5mm; the operating temperature is 0 to 70℃ (32 to 158°F); the power consumption is ≤1.5W. Use those values when preparing the rack pathway and receiving checklist. Do not pull a connector by its cable, compress the run under tight ties or force excess length into a sharp coil. Connector protection should remain in place until the assembly is ready for insertion.

Data-Center Design and Airflow

Select the assembly by both reach and rack layout. A direct connection removes separate module-and-patch-cord interfaces, but it still needs a bend-safe pathway and clear connector access. Keep cable bundles from blocking front-panel airflow, account for the listed interface power where applicable and choose a length that supports maintenance without leaving an unmanaged coil. For this series, keep the interface rate, ACC construction and length-specific OEM reference together throughout that review.

Ordering Information

Provide the OEM reference, HT part number, fixed length and quantity, together with the intended host interfaces. Rack-based quantities and packaging instructions can be included for larger deployments. Other lengths are separate products and should be entered on their own order lines. For this series, follow the corresponding length link, quote that exact OEM part number and keep different lengths on separate order lines. HT part number QSFP-100G-2QAC identifies the product family; the linked page provides the final length-specific identity.

NVIDIA/Mellanox Compatibility and Factory Testing

Compatibility confirmation combines host identification with actual link establishment and diagnostic checks. The assembly is prepared for the stated OEM reference rather than selected only by connector shape. For a new data-center deployment, the equipment model, port mode and software release provide the most useful basis for a pre-order review. Series-level inspection is followed by the exact length and OEM configuration selected for dispatch. Functional verification includes link establishment and diagnostic indications where the host exposes them.

Shipping and Lead Time

Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.

Frequently Asked Questions

Is this an original NVIDIA/Mellanox cable?

No. It is an HT-manufactured compatible cable for equipment that specifies QSFP-100G-2QAC, not an original NVIDIA/Mellanox-branded product.

Are different lengths and OEM part numbers separate products?

Yes. Where a length has its own OEM reference, follow the corresponding link above and order that exact part number on its own line. Do not substitute another length only because the connector arrangement is the same.

Does this ACC cable require separate modules at each end?

No. The connector ends and cable form one complete direct-attach assembly. The ends are not detachable standalone transceivers, and the complete product is tested together.

What information helps confirm compatibility?

Provide the equipment manufacturer and model, port type, hardware revision and software release, together with the required OEM reference, length and quantity. Breakout projects should also identify the intended lane configuration.


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