P26269-B21 HPE BCM57504 25G PCIe 4.0 x16 Ethernet Network Card
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P26269-B21
High-Performance OCP 3.0 Ethernet NIC for 10/25GbE leaf-spine fabrics with the P26269-B21
The P26269-B21 is an HPE OCP 3.0 Ethernet NIC module built on the Broadcom BCM57504 controller to deliver deterministic 10/25GbE connectivity for modern rack and blade-class compute nodes. With 4x SFP28 ports and a PCIe Gen4 x16 host interface, the P26269-B21 is designed to keep east-west traffic, storage access, and virtualized networking pipelines aligned with today’s higher core-count CPUs and consolidation-driven bandwidth demands.
Architecturally, the P26269-B21 balances throughput and latency by combining PCIe Gen4 bandwidth with hardware-assisted packet processing. Overlay and datapath offloads for VXLAN, NVGRE, and GENEVE, along with DPDK acceleration, reduce CPU overhead for microservices and NFV-style workloads. For low-latency data paths, RDMA over Converged Ethernet (RoCE v2) supports efficient memory-to-memory transfers, while SR-IOV enables high-density virtualization with predictable I/O isolation. UEFI PXE and iSCSI boot capabilities streamline stateless provisioning and boot-from-SAN designs where local storage is minimized.
Why Choose the P26269-B21?
The P26269-B21 provides an enterprise-ready density-to-performance profile by delivering 4x25GbE in a server-integrated OCP 3.0 form factor, helping standardize Top-of-Rack uplinks while preserving PCIe resources for accelerators and NVMe expansion. The P26269-B21 is a strong fit for scalable, repeatable deployments that require consistent virtualization features, reliable link operation, and predictable fabric behavior under mixed traffic patterns.
HPE engineering focuses on platform-level interoperability and lifecycle stability, aligning the adapter with data centre operational standards, validated server integration, and predictable firmware and driver behavior across supported Microsoft Windows environments.
Key Applications:
- Leaf-spine 10/25GbE server uplinks
- Virtualized compute hosts with SR-IOV
- Overlay networking (VXLAN/NVGRE/GENEVE)
- RoCE v2 low-latency clusters
- iSCSI storage networking and boot-from-SAN
At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your P26269-B21 rollout requirements and an extended warranty of up to 6 years to protect long-term infrastructure investments.
Technical details of P26269-B21
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