Dell OSFPFL-400G-QDDAO Compatible 400G OSFP 8 x 50G PAM4 RHS/Flat Top to 400G QSFP-DD 8 x 50G PAM4 Active Optical Cable

Dell OSFPFL-400G-QDDAO Compatible 400G OSFP 8 x 50G PAM4 RHS/Flat Top to 400G QSFP-DD 8 x 50G PAM4 Active Optical Cable

A 400G direct-attached link depends on the correct host identity, interface mode and physical length. This page covers the Dell OSFPFL-400G-QDDAO compatible AOC series in OSFP (RHS/Flat Top) to QSFP-DD, including 5m (16ft). Each documented length-specific OEM reference is linked separately where an individual product page is available.

Series Part Number: OSFPFL-400G-QDDAOHT Part Number: OSFPFL-400G-QDDAO

Product Highlights

  • HT-manufactured compatible alternative for Dell OSFPFL-400G-QDDAO
  • 400G aggregate connectivity at 400Gbps
  • Interface configuration: OSFP (RHS/Flat Top) to QSFP-DD
  • AOC
  • Length configurations covered: 5m (16ft)
  • Power consumption: 10W (OSFP End) 10W (QSFP-DD End)

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

  • OSFPFL-400G-QDDAO05

Specifications

HT Part NumberOSFPFL-400G-QDDAO
ManufacturerHT
Form FactorOSFP (RHS/Flat Top) to QSFP-DD
Max. Data Rate400Gbps
Cable Length Options Covered5m (16ft)
Cable TypeAOC
Wavelength850nm
Minimum Bend Radius30mm
Transmitter TypeVSCEL
Receiver TypePIN
Max. Power Consumption10W (OSFP End) 10W (QSFP-DD End)
Jacket MaterialOFNP
CDR (Clock and Data Recovery)TX & RX Built-in CDR
Modulation FormatOSFP-8x 50G-PAM4QSFP-DD-8x 50G-PAM4
DDM/DOMSupported
Temperature Range0 to 70°C (32 to 158°F)
ProtocolsCMIS 4.0, IEEE 802.3bs-400GAUI-8, OSFP MSA, QSFP-DD MSA

Applications and Deployment

Active optical cables integrate optical engines and fiber into a single factory-terminated link. They provide a lighter, longer-reach alternative to copper direct attach without requiring separate transceiver and patch-cord selection. The complete assembly should be routed with bend protection and connected only between compatible optical standards and port modes. For this series, the listed interface is OSFP (RHS/Flat Top) to QSFP-DD and the aggregate rate is 400G.

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 jacket material is OFNP; the minimum bend radius is 30mm; the power consumption is 10W (OSFP End) 10W (QSFP-DD End). 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, AOC 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 OSFPFL-400G-QDDAO identifies the product family; the linked page provides the final length-specific identity.

Dell 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 Dell cable?

No. It is an HT-manufactured compatible cable for equipment that specifies OSFPFL-400G-QDDAO, not an original Dell-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 AOC 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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