• HPE P26256-B21 10GbE OCP 3.0 NIC with green PCB and black heatsink
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HPE

HPE P26256-B21 | 10GbE 2x SFP+ | OCP 3.0 NIC | BCM57412 | SR-IOV, PXE Boot | TSO/LRO, RSS

P26256-B21

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Description

Dual-port 10GbE SFP+ OCP 3.0 network adapter built on the BCM57412 controller for high-throughput, low-latency connectivity. Ideal for virtualization, storage, and high-density compute nodes requiring modular OCP NIC 3.0 cards. Supports standard SFP+ optics and passive/active DAC cables for flexible deployment.

Features

- OCP 3.0 modular design for high-density servers
- Dual 10GbE SFP+ for balanced throughput and redundancy
- Low latency with advanced offloads (TSO/LRO, checksum, RSS)
- Virtualization-ready with SR-IOV
- Flexible media options with SFP+ optics and DAC

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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Technical Specifications

FAQs

Technical Specifications

- Ports: 2 x SFP+
- Per-port speed: 10GbE
- Aggregate throughput: up to 20 Gbps
- Host interface: OCP NIC 3.0
- Controller: BCM57412
- Connector type: SFP+ cages (accepts 10G optics/DAC)
- Media support: 10GBASE-SR/LR SFP+ optics; passive/active SFP+ DAC/AOC (sold separately)
- Network features: SR-IOV, VLAN tagging, PXE boot, RSS, TSO/LRO, checksum offloads, jumbo frames
- Target platforms: Servers with an OCP NIC 3.0 slot
- Operating system support: Major Linux distributions, VMware ESXi, Microsoft Windows Server (driver availability may vary by OS version)

FAQs

Q: Are SFP+ transceivers included?
A: No. Modules and cables are sold separately to match your required media and reach.

Q: Will this work in any PCIe slot?
A: No. This is an OCP NIC 3.0 form factor and requires a compatible OCP 3.0 slot in the server.

Q: Does it support SR-IOV for virtualization?
A: Yes, SR-IOV is supported (enable in system BIOS/UEFI and OS as required).

Q: Can it run at 1GbE?
A: Operation at 1GbE depends on platform and optics support; this adapter is optimized for 10GbE SFP+.

Q: Is PXE network boot available?
A: Yes, PXE boot is supported when enabled in firmware and system settings.

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