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NVIDIA

NVIDIA C-DQ8FNM003-H0-M | 400G QSFP‑DD AOC | 8×50G PAM4 | 850 nm MMF | 3 m reach | QSFP‑DD to QSFP‑DD

SKU:C-DQ8FNM003-H0-M

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Description

High‑speed active optical cable for 400G data center interconnects. QSFP‑DD to QSFP‑DD with integrated optics and multimode fiber for low power, low weight, and superior EMI immunity. Ideal for short‑reach spine‑leaf and server uplinks in Ethernet or supported InfiniBand environments; blue pull‑tab for easy port identification.

Features

- Plug‑and‑play 400G QSFP‑DD AOC for short‑reach links
- Low power consumption and low weight
- Superior EMI immunity compared with copper
- Integrated EEPROM for module identification/telemetry
- Factory‑terminated to ensure consistent performance

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is this compatible with QSFP‑DD 400G switch and NIC ports?
A: Yes. It is designed for QSFP‑DD ports that support 400G short‑reach AOC interconnects.

Q: What is the difference between AOC and DAC?
A: AOC uses integrated optical transceivers and fiber for longer reach and lower EMI; DAC is copper, heavier, and typically limited to very short distances.

Q: Can this be used for breakout or lower speeds?
A: It is intended for 400G end‑to‑end links. Breakout or down‑speed operation depends on device and port support—check your platform documentation.

Q: Does the blue pull‑tab have functional meaning?
A: It is for visual identification and handling convenience; it does not change electrical or optical characteristics.

Technical Specifications

- Data rate: Up to 400 Gb/s aggregate
- Form factor: QSFP‑DD (male) to QSFP‑DD (male)
- Signaling: 8 × 50G PAM4 lanes
- Type: Active Optical Cable (AOC), factory‑terminated
- Wavelength: 850 nm VCSEL
- Fiber: Multimode (MMF), integrated
- Reach: 3 meters
- Compliance: QSFP‑DD MSA; suitable for 400GBASE short‑reach interconnects
- EMI/weight: Excellent EMI immunity; lightweight vs copper DAC
- Identification: Blue pull‑tab for quick visual identification

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