NVIDIA

NVIDIA 920-9N42C-00FB-7C0 | 64x 400G QSFP56-DD, 2x 25G SFP28, PoE: None, Uplinks: 0, Dual AC PSUs, Airflow P2C, OS: Cumulus Linux, License: Open Ethernet

SKU:920-9N42C-00FB-7C0

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Description

High-density 2U open Ethernet switch delivering 64x 400GbE QSFP56-DD with two 1/10/25GbE SFP28 auxiliary ports for maximum fabric flexibility. Runs Cumulus Linux for open, automation-friendly L2/L3 at line rate with redundant hot-swappable PSUs and fans and P2C airflow. Ideal for leaf/spine spine tiers and cloud-scale aggregation where deterministic latency and telemetry are required. Rail kit included for straightforward rack integration.

Features

- 64x 400G density in 2U for spine or high-bandwidth leaf designs
- Open Ethernet with Cumulus Linux for automation and open networking stacks
- Redundant, hot-swappable PSUs and fans for nonstop operations
- Flexible 400G breakouts to 100G/50G for mixed-speed deployments
- Telemetry-ready silicon enabling line-rate L2/L3 capabilities

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: Are transceivers included?
A: No, optics and DAC/AOC cables are sold separately.

Q: Does it support breakouts from 400G ports?
A: Yes, typical breakouts include 4x100G or 8x50G with the right optics/DACs.

Q: Is the airflow P2C or C2P?
A: This model is P2C; ensure your data center airflow matches.

Q: What software does it run?
A: Cumulus Linux for Open Ethernet operations and automation.

Q: Are the PSUs and fans hot-swappable?
A: Yes, both PSUs and fan modules are hot-swappable.

Q: Is it compatible with QSFP28/56 modules?
A: QSFP-DD cages can accept single-width QSFP28/56 where supported; performance is limited to the module’s speed.

Technical Specifications

- Port configuration: 64x 400GbE QSFP56-DD data ports
- Auxiliary ports: 2x 1/10/25GbE SFP28
- Form factor: 2U rackmount (rail kit included)
- Airflow: P2C (Port-to-Cable)
- Power: 2x hot-swappable AC PSUs (redundant)
- Cooling: Hot-swappable fan modules
- Operating system: Cumulus Linux (Open Ethernet)
- L2/L3: Wire-speed switching and routing with advanced automation/telemetry
- Management: OOB management and console interfaces
- Breakout support: 400G to 4x100G or 8x50G with appropriate optics/DACs
- Compatibility: Supports QSFP-DD 400G optics/DAC/AOC; backward support for QSFP56/28 in single-width mode where supported

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