NVIDIA/Mellanox QDD-400G-AE Compatible 400G QSFP-DD 8 x 50G PAM4 Ethernet Active Electrical Cable

Product Highlights

• HT-manufactured compatible alternative for NVIDIA/Mellanox QDD-400G-AE
• 400G aggregate connectivity at 400Gbps
• Interface configuration: QSFP-DD to QSFP-DD
• Active DAC (AEC) / Copper
• Length configurations covered: 5m (16ft)
• Conductor specification: 28AWG
• Power consumption: 10W Per End
• Operating temperature: 0 to 70°C (32 to 158°F)

Available Lengths and Corresponding Part Numbers

The documented series configuration is 5m (16ft). 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

• QDD-400G-AE05

Specifications

Applications and Deployment

For an AEC connection, matching the connector shape is only the first step. The host must support the electrical signaling, retiming behavior and aggregate rate of the complete assembly. Thermal planning is particularly important when many active ends populate adjacent ports. For this series, the listed interface is QSFP-DD to QSFP-DD and the aggregate rate is 400G.

NVIDIA/Mellanox Compatibility and Factory Testing

Verification covers the physical connectors, expected host identity and an operating link with available diagnostic indications. We distinguish this complete check from a simple continuity test. Platform model and software release can be reviewed in advance where the installation has strict documentation or change-control requirements. 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.

Cable Construction and Routing

For this assembly, the conductor specification is 28AWG; the jacket material is PET; the minimum bend radius is 53mm; the operating temperature is 0 to 70°C (32 to 158°F); the power consumption is 10W Per End. These parameters belong in the installation review rather than being treated as catalogue trivia. Route the cable through its intended managers without tension, avoid pressure close to the connector boots and leave enough space to operate the latches. Any service loop must respect the stated bend limit.

Structured Pathways and Serviceability

Treat the direct-attach assembly as part of the permanent pathway plan even when the link is expected to be temporary. Follow the intended horizontal and vertical managers, maintain the specified bend radius and leave service access around both ports. A small, supported service allowance is preferable to excess slack concealed inside a rack or placed under cable-tie pressure. For this series, keep the interface rate, AEC construction and length-specific OEM reference together throughout that review.

Ordering Information

Include the part number, fixed length, quantity and required pathway or rack grouping in the order information. The host model and firmware release are useful for change-controlled deployments. Different lengths should remain separate order lines so delivered labels and packing records agree with the pathway plan. 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 QDD-400G-AE identifies the product family; the linked page provides the final length-specific identity.

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.

Quality Assurance and Packaging

After connector inspection and link verification, the assembly is coiled without tight bends and packed with end protection. Labels can cross-reference the customer cable schedule, OEM part number and length. This supports both receiving checks and later moves, adds or changes. Both connector ends are inspected as part of the complete assembly, and protective packing is selected to avoid tight bends during transport and storage.

Frequently Asked Questions