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HPE

HPE P31348-B21 | 200Gb HDR IB/200GbE 2x QSFP56 | PCIe 4.0 x16 (OCP NIC 3.0) | VPI, RoCEv2/SR‑IOV

SKU:P31348-B21

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Description

OCP NIC 3.0 dual‑port 200G adapter for density‑optimized servers, supporting HDR InfiniBand and 200GbE in a single device. QSFP56 cages accept HDR optics or DAC to fit HPC, AI, and cloud fabrics. PCIe 4.0 x16 electrical interface via OCP 3.0 ensures high throughput with RDMA/RoCEv2 and advanced offloads for overlay networks and NVMe‑oF storage.

Features

- Space‑efficient OCP NIC 3.0 form factor
- Dual‑mode HDR InfiniBand or 200GbE on two QSFP56 ports
- PCIe 4.0 x16 electrical for high throughput
- Low‑latency RDMA/RoCEv2 acceleration
- SR‑IOV and overlay offloads for cloud and virtualization
- Ideal for HPC, AI, and NVMe‑oF storage fabrics

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: Will this card fit a standard PCIe slot?
A: No. It is an OCP NIC 3.0 module and requires a compatible OCP 3.0 slot in the server.

Q: Does it support both InfiniBand and Ethernet?
A: Yes. As a VPI adapter it operates in either HDR InfiniBand or 200GbE mode.

Q: What cables/optics are required for 200G links?
A: Use QSFP56 HDR‑capable transceivers or QSFP56 DAC/AOC matched to your required reach.

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

Q: Are optics included?
A: No, optics and cables must be purchased separately.

Technical Specifications

- Form factor: OCP NIC 3.0
- Port configuration: 2x 200G (HDR InfiniBand or 200GbE)
- Transceiver interface: QSFP56
- Electrical interface: PCI Express 4.0 x16 via OCP slot
- Mode: VPI dual‑protocol (InfiniBand/Ethernet)
- Offloads: RDMA, RoCEv2, SR‑IOV, NVMe‑oF, VXLAN/GENEVE, checksum/TSO/LRO, RSS
- Media support: QSFP56 HDR optics and DAC/AOC
- Compatibility: Requires server with an available OCP NIC 3.0 slot

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