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NVIDIA

NVIDIA 900-9X7AO-00C3-STZ | ConnectX-7 | 50GbE SFP56 | RoCEv2 | SR-IOV | OVS Offload | PTP 1588v2 | NVMe-oF/TCP

SKU:900-9X7AO-00C3-STZ

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Description

High-performance Ethernet adapter enabling up to 50GbE connectivity over SFP56 for scale-out virtualized and storage-rich deployments. Delivers RDMA (RoCEv2), OVS, and NVMe-oF/TCP offloads to minimize CPU load and latency. Provides IEEE 1588v2 PTP timing and advanced telemetry for precise control and visibility. Works with SFP56 DAC/AOC and optical modules; can negotiate 25GbE where supported.

Features

- 50GbE throughput with low latency RDMA
- Comprehensive hardware offloads for networking, storage, and crypto
- Enhanced observability and congestion control at scale
- PTP for deterministic, time-sensitive applications
- Backwards operation at 25GbE where applicable
- Optimized for cloud-native, NFV, and HCI deployments

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: What cabling is required for 50GbE operation?
A: Use SFP56 modules or SFP56-rated DAC/AOC cables for 50GbE. The adapter can operate at 25GbE with suitable optics where supported.

Q: Does it offload NVMe over Fabrics traffic?
A: Yes. It supports NVMe-oF/TCP offloads to reduce CPU overhead and latency.

Q: Is SR-IOV supported for virtualization?
A: Yes. SR-IOV with multiple virtual functions is supported for high-density VM or container environments.

Q: Can it provide accurate network timing?
A: Yes. IEEE 1588v2 PTP and hardware timestamping are supported.

Q: Which operating systems are supported?
A: Major Linux distributions, Windows Server, and VMware ESXi are supported. Consult the vendor compatibility matrix for specific versions.

Technical Specifications

- Model family: ConnectX-7 Ethernet
- Port interface: SFP56 (50GbE capable)
- Max link rate: up to 50 Gb/s per port
- Media support: SFP56 DAC, AOC, and optical transceivers (50G/25G)
- RDMA: RoCEv2 for ultra-low latency
- Virtualization: SR-IOV with multiple VFs
- Offloads: NVMe-oF/TCP, OVS datapath, RSS, TSO/LRO, checksum
- Security: inline TLS/IPsec capabilities
- Timing: IEEE 1588v2 PTP, hardware timestamping
- Telemetry: real-time congestion metrics (ECN/DCQCN)
- Host interface: PCIe (model-specific generation)
- OS compatibility: Linux, Windows Server, VMware ESXi (see vendor HCL)
- Backward compatibility: supports 25GbE operation with appropriate optics/cables

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