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HPE

HPE P31324-B21 | 200Gb HDR IB/200GbE 2x QSFP56 | PCIe 4.0 x16 | VPI dual‑mode, RoCEv2/SR‑IOV, NVMe‑oF

SKU:P31324-B21

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Description

Dual‑port 200G VPI adapter enabling both HDR InfiniBand and 200GbE with ultra‑low latency and extreme throughput. QSFP56 ports accept HDR‑class optics or DAC for short to long‑reach links. PCIe 4.0 x16 host interface sustains line‑rate performance across both ports, with hardware accelerations for RDMA/RoCEv2, NVMe‑oF, and advanced overlays. Ideal for HPC fabrics, AI clusters, and cloud storage backbones.

Features

- 200G dual‑port with selectable HDR InfiniBand or Ethernet
- PCIe 4.0 x16 for sustained multi‑port throughput
- Low‑latency RDMA and RoCEv2 acceleration
- NVMe‑oF ready for disaggregated storage
- Comprehensive virtualization with SR‑IOV and overlay offloads
- QSFP56 flexibility for optics, DAC, and AOC

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: Can I switch between InfiniBand and Ethernet?
A: Yes. As a VPI adapter it supports both; select the desired mode in firmware/driver utilities.

Q: What optics/cables do I need for 200G?
A: Use QSFP56 HDR‑class transceivers or QSFP56 DAC/AOC rated for 200G.

Q: Is RDMA available in Ethernet mode?
A: Yes, RDMA via RoCEv2 is supported in Ethernet mode.

Q: Will it saturate both ports simultaneously?
A: The PCIe 4.0 x16 interface provides sufficient bandwidth for dual‑port 200G in practical deployments, subject to platform and workload.

Q: Are transceivers included?
A: No, optics and cables are sold separately.

Technical Specifications

- Port configuration: 2x 200G (HDR InfiniBand or 200GbE)
- Transceiver interface: QSFP56
- Host interface: PCI Express 4.0 x16
- Throughput: up to 2x 200 Gbps full‑duplex
- Mode: VPI dual‑protocol (InfiniBand/Ethernet)
- Offloads: RDMA, RoCEv2, NVMe‑oF, SR‑IOV, VXLAN/GENEVE, checksum/TSO/LRO, RSS
- Media support: QSFP56 HDR optics and DAC/AOC; QSFP28 may operate at reduced rates depending on platform
- OS compatibility: Major Linux, Windows Server, VMware ESXi

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