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HPE

HPE P42041-B21 | 10/25GbE 2x SFP28 OCP 3.0 | PCIe 4.0 x8 | SR-IOV, RoCEv2 | VXLAN/Geneve offload

SKU:P42041-B21

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Description

Dual-port 25GbE OCP 3.0 NIC delivering efficient throughput, low latency, and advanced virtualization. Ideal for cloud-native, virtualization, and container environments with accelerated overlay offloads and RoCEv2 RDMA.

Features

- Dual 25G-ready SFP28 ports in OCP 3.0 form factor
- PCIe 4.0 x8 host interface
- RoCEv2 and SR-IOV for high-performance virtualization
- Overlay tunneling offloads for cloud networking
- PTP-capable for precise timing use cases

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 work in any OCP 3.0 server?
A: It is designed for OCP NIC 3.0 slots; confirm mechanical type and server compatibility in the server’s QuickSpecs.

Q: Are 25G SR/LR optics supported?
A: Yes. SFP28 SR/LR modules are supported, as well as 10G SFP+ modules and DAC/AOC cables.

Q: Does it support SR-IOV for virtualization?
A: Yes. SR-IOV with multiple VFs per port is supported.

Technical Specifications

- Ports: 2 x SFP28 (10/25GbE)
- Form factor: OCP NIC 3.0
- Host interface: PCIe 4.0 x8
- Virtualization: SR-IOV with scalable VFs and multi-queue
- RDMA: RoCEv2 for low-latency fabrics
- Overlay offloads: VXLAN, NVGRE, Geneve
- Stateless offloads: Checksum, TSO/LRO, RSS
- OVS acceleration: Hardware-accelerated datapath offload support
- PTP: IEEE 1588v2 hardware timestamping support
- Transceiver/cable support: SFP28 25G and SFP+ 10G optics, DAC/AOC
- OS/hypervisor: Broad support across Linux, Windows Server, and VMware ESXi (check versions)

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