• Arista 400GbE QSFP-DD to QSFP-DD AOC cable, 10m black fiber optic
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Arista

Arista AOC-D-D-400G-10M | 400GbE QSFP-DD AOC (SR8-class), 8x50G PAM4, 850nm MMF, 10m reach, QSFP-DD to QSFP-DD

AOC-D-D-400G-10M

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Description

High-density 400GbE active optical cable with integrated QSFP-DD optics for short-reach data center interconnects. Delivers low latency and lower power versus discrete transceivers plus patch leads, ideal for spine–leaf and aggregation links up to 10 meters.

Features

- Integrated 400G optics—no separate transceivers or patch leads required
- Lower power and latency compared to discrete optics + fiber
- Lightweight cabling for improved airflow and easier routing
- EMI-immune optical link with consistent factory termination
- Hot-swappable QSFP-DD ends for fast maintenance
- Optimized for short-reach 400G spine–leaf and aggregation links

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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Technical Specifications

FAQs

Technical Specifications

- Data rate: 400 Gigabit Ethernet (400GbE)
- Form factor: QSFP-DD at both ends
- Cable type: Active Optical Cable (AOC)
- Base standard: SR8-class, 8x50G PAM4 over MMF
- Wavelength: 850 nm (VCSEL)
- Length: 10 meters
- Connectors: QSFP-DD male to QSFP-DD male
- Compatibility: QSFP-DD 400G ports on switches/routers
- Hot-swappable ends with secure latch tabs
- Management: I2C per QSFP-DD MSA
- Breakout support: No (straight 400G-to-400G link)
- Use cases: Spine–leaf, TOR–aggregation, east–west traffic

FAQs

Q: Is this compatible with any QSFP-DD 400G port?
A: Yes, it is designed for devices with QSFP-DD 400G ports. Always verify vendor coding requirements for your platform.

Q: Can this AOC break out 400G to multiple 50G or 100G ports?
A: No. This is a straight QSFP-DD to QSFP-DD 400G cable and does not provide breakout.

Q: What is the optical type inside the AOC?
A: It uses MMF optics at 850nm with 8x50G PAM4 lanes (SR8-class behavior).

Q: How does an AOC compare to a DAC?
A: AOCs are lighter and support longer reaches than copper DACs, while maintaining low latency and simple plug-and-play operation.

Q: Is it hot-swappable?
A: Yes, the QSFP-DD ends are hot-swappable per the MSA.

Q: Can I coil the extra length?
A: Yes, but maintain a gentle bend radius and avoid sharp bends or crushing to protect the fiber.

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