Cisco

Cisco CAI-P-N3240 | 2x400GbE QSFP112 | DPU with on-board Arm compute | PCIe Gen5 x16 | RoCEv2, SR-IOV | Inline crypto & NVMe-oF offload

SKU:CAI-P-N3240

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Description

Next-generation 2x400GbE data processing unit delivering massive throughput with on-board Arm-based acceleration. Consolidates networking, security, and storage offloads to unlock CPU capacity and ensure predictable performance across AI, HPC, and cloud infrastructures.

Features

- Dual 400GbE for maximum east–west throughput in AI/HPC fabrics
- On-board Arm compute to offload and isolate data-plane services
- Inline crypto for secure, high-performance overlays
- NVMe-oF acceleration for low-latency storage fabrics
- Rich telemetry and PTP for precise performance engineering

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 optics and cables are required for 400GbE?
A: Use QSFP112 400G optical transceivers or QSFP112 DAC/AOC cables matched to your fabric reach and fiber type.

Q: Will it operate in a PCIe Gen4 system?
A: Yes, it is backward compatible with PCIe Gen4; host bandwidth will be limited to Gen4 speeds.

Q: Does it support RoCEv2 and SR-IOV?
A: Yes, RoCEv2 RDMA and SR-IOV virtualization are supported.

Q: Is encryption acceleration available?
A: Inline IPsec/TLS offload is available where enabled by firmware and software.

Q: What are typical use cases?
A: AI/HPC scale-out networking, secure multi-tenant cloud, microsegmentation, and disaggregated storage with NVMe-oF.

Technical Specifications

- Port configuration: 2x 400GbE
- Cage/form: QSFP112
- Transceiver/cable support: 400G QSFP112 optical modules, AOCs, and DACs (model-dependent)
- DPU compute: On-board multi-core Arm complex for offloaded data/services (DOCA-enabled)
- Host interface: PCIe Gen5 x16 (backward compatible with Gen4)
- Transport: RoCEv2 RDMA with advanced congestion control
- Virtualization: SR-IOV with high-scale VF support
- Security: Inline IPsec/TLS offload and crypto acceleration (platform/firmware dependent)
- Storage: NVMe-oF (RoCE/TCP) acceleration and GPUDirect Storage enablement
- Telemetry: Line-rate counters and real-time flow visibility
- Timing: IEEE 1588 PTP support
- Jumbo frames: up to 9K (driver/OS dependent)
- Software ecosystem: NVIDIA DOCA SDK, Linux drivers

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