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HPE

HPE P42044-B21 | 10/25GbE 2x SFP28 PCIe adapter | PCIe 4.0 x8 | SR-IOV, RoCEv2 | VXLAN/Geneve offload

SKU:P42044-B21

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Description

Low-profile dual-port 25GbE SFP28 PCIe adapter for performance-focused servers. Delivers robust virtualization and overlay offloads with RDMA acceleration for demanding data center and edge workloads.

Features

- Dual 25G SFP28 ports on PCIe 4.0 x8
- Comprehensive virtualization and tunneling offloads
- PTP-capable for time-sensitive applications
- Data center and edge-ready performance and efficiency

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: Does it ship with a full-height and low-profile bracket?
A: Bracket contents vary by kit; confirm included bracket type before purchase.

Q: Are optics included?
A: No. SFP28/SFP+ transceivers and DAC/AOC cables are sold separately.

Q: Is RoCEv2 supported?
A: Yes, for low-latency RDMA over Converged Ethernet setups.

Technical Specifications

- Ports: 2 x SFP28 (10/25GbE)
- Form factor: PCIe low-profile (bracket may vary by kit)
- Host interface: PCIe 4.0 x8
- Virtualization: SR-IOV with VF scaling and multi-queue
- RDMA: RoCEv2
- Overlay offloads: VXLAN, NVGRE, Geneve
- Stateless offloads: TSO/LRO, checksum offload, RSS
- Timing: IEEE 1588v2 PTP hardware timestamping support
- Cabling/transceivers: Compatible with SFP28 25G and SFP+ 10G optics, DAC, and AOC
- OS/hypervisor: Linux, Windows Server, VMware ESXi (version-dependent)

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