HPE P26259-B21 10Gbps PCI Express 3.0 x8 Network Interface Card

Network bottlenecks can cripple your data centre, slowing every application that depends on fast, reliable connectivity. The HPE P26259-B21 10Gbps PCI Express 3.0 x8 Network Interface Card delivers high-speed Ethernet directly to your server, giving you the bandwidth and security you need to keep critical workloads moving without delay.

Why the HPE P26259-B21 10Gbps PCI Express 3.0 x8 Network Interface Card is the answer to your bandwidth challenges

When a single link lags, the whole infrastructure suffers, leading to lost productivity and higher operating costs. This card solves that problem by providing two 10 Gbps SFP+ ports on a PCI Express 3.0 x8 bus, ensuring a fast, stable data path that matches the performance of modern HPE Gen10 Plus servers. With built-in support for IPv4, IPv6, and advanced off-load features, you get a secure, scalable solution that fits seamlessly into hybrid cloud, streaming video, and mobile data environments.

Usages of HPE P26259-B21 10Gbps PCI Express 3.0 x8 Network Interface Card

Ideal for a range of demanding scenarios, this adapter can be deployed in:

• Virtualised server farms where multiple VMs share high-speed network resources.
• High-frequency trading platforms that require ultra-low latency connections.
• Video-on-demand and streaming services needing reliable 10 Gbps throughput.
• Cloud-backed storage arrays that benefit from fast data replication.
• Enterprise data-centre clusters that demand consistent, secure Ethernet links.

Key Features of HPE P26259-B21 10Gbps PCI Express 3.0 x8 Network Interface Card

• Colour Category: Silver. A sleek, neutral finish that blends with standard server racks.
• Ports: 1Gb Ethernet / 10Gb Ethernet SFP+ x 2. Two interchangeable ports give you flexibility for current and future network speeds.
• Connectivity Technology: Wired. Provides a stable, interference-free connection.
• Features: IPv6 support, IPv4 support, RSS, UEFI support, SR-IOV, VXLAN, NVGRE, secure boot, NPAR, Mware NetQueue and Microsoft VMQ, DPDK, firmware root of trust, audit logs, tunnel offload, GENEVE support, sanitisation, UEFI PXE Boot, legacy BIOS PXE Boot. A comprehensive set of capabilities that enhances security, virtualisation, and performance.
• Data Transfer Rate: 10Gbps. Guarantees rapid data movement for bandwidth-intensive tasks.
• Interface (Bus) Type: PCI Express 3.0 x8. Utilises a high-speed bus to minimise latency and maximise throughput.
• Data Link Protocol: RDMA over Converged Ethernet (RoCE v2). Enables low-latency, high-throughput data transfers ideal for storage and compute clusters.
• Type: Network adapter. A plug-in card that integrates directly into your server chassis.
• Product Line: Broadcom. Backed by a reputable chipset manufacturer known for reliability.
• Packaged Quantity: 1. One unit per box, ready for immediate installation.

Benefits of HPE P26259-B21 10Gbps PCI Express 3.0 x8 Network Interface Card

You gain a future-proof network link that scales with your workloads, reducing the risk of congestion as demand grows. The dual SFP+ ports let you balance traffic or provide redundancy, improving uptime and protecting against single-point failures. Advanced security features such as secure boot and firmware root of trust keep your data safe from tampering. Virtualisation-friendly technologies like SR-IOV and VMQ boost efficiency, allowing more virtual machines to share the same physical adapter without sacrificing performance. Finally, the RoCE v2 support delivers the low latency required for high-performance computing and storage replication, ensuring your critical applications run smoothly.

Specifications