HPE P54903-B21 - HPE DL380a Gen11 4 Double Wide Configure-to-Order Server P416i-O

Brand: HPE | Category: Servers

SKU: HPE-P54903-B21 | Part #: P54903-B21 | MPN: P54903-B21

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Network connectivity sits at the heart of modern data-centre deployments, and the HPE P54903-B21 addresses this reality from the ground up. This dual-socket, 4U accelerator-optimised server ships as a Configure-to-Order (CTO) base unit specifically engineered for environments where GPU and high-performance accelerator density drives workload throughput. The P54903-B21 supports customer-configurable network interfaces through its OCP 3.0 slot architecture, meaning your network team can select and install the exact NIC configuration your topology demands—whether that's dual 25GbE for traditional scale-out clusters or higher-speed options for tightly coupled AI training fabrics. Unlike fixed-configuration servers that lock you into a single network profile, this HPE platform lets you delay the NIC decision until you know your actual traffic patterns and spine-leaf architecture requirements.

The accelerator-optimised chassis design is where the P54903-B21 distinguishes itself from standard 2U rack servers. HPE engineered this platform with four double-wide GPU slots, which translates to genuine flexibility for organisations deploying NVIDIA H100, H200, or AMD MI300X accelerators at scale. The dual Intel Xeon Scalable 4th Generation (Sapphire Rapids) socket configuration provides the CPU-to-GPU ratio needed for modern large-language-model inference and training workloads, while DDR5 memory support ensures the processor can feed data to accelerators without artificial bottlenecks at the memory controller level. Your infrastructure architect can configure this unit with anywhere from 16 to 24 DIMM slots of DDR5, scaling memory capacity to match compute density. PCIe Gen 5 fabric connectivity means that accelerators see full bandwidth, and the onboard HPE P416i-O SR Gen11 OCP3 storage controller provides a sensible RAID backbone for boot drives and working datasets without consuming valuable accelerator slots.

From a practical standpoint, storage engineers and network architects tend to view the P54903-B21 as a mid-range investment in accelerator infrastructure. The HPE P416i-O controller supports RAID 0 through RAID 60, so you can mirror or stripe boot and cache tiers while preserving all four accelerator slots for production workloads. This part number—P54903-B21—is HPE's explicit SKU for this double-wide, four-GPU-slot configuration, and it arrives from HPE as a chassis-and-motherboard foundation ready for your team to populate with processors, memory, accelerators, network cards, and PSUs according to project specifications. The iLO 6 management controller handles remote console, power cycling, and firmware updates across your fleet, which matters enormously when you're managing dozens of these units in a distributed AI lab or hyperscaler spine. Whether your organisation is standing up a regional inference cluster or expanding a training environment, the flexibility to assemble the P54903-B21 to match your exact requirements—rather than compromise on a pre-built configuration—keeps capital costs aligned with actual workload demands.

HPE's commitment to standards-based architecture shows up in the OCP 3.0 chassis compliance and Sapphire Rapids socket standardisation. Your procurement team can source compatible components from multiple vendors, and your operations staff can integrate this server into existing HPE ProLiant Gen11 management tooling and firmware update pipelines. The platform supports Windows Server, Red Hat Enterprise Linux, and VMware vSphere under HPE's qualified configuration matrix, so whether you're running Kubernetes on RHEL, Hyper-V clusters on Windows Server, or vSphere for traditional virtualised workloads with GPU passthrough, the P54903-B21 has a validated deployment path. The four double-wide accelerator slots mean you're not stacking single-width cards in a cramped chassis; each accelerator gets proper cooling airflow and power delivery, which extends component lifespan and reduces thermal throttling in continuous-duty environments. PCIe Gen 5 bandwidth availability ensures that data movement between CPU, memory, and accelerators doesn't become a constraint as your workloads scale.

The HPE P54903-B21 is not a product for organisations that need immediate, off-the-shelf deployment. It is the right choice for teams with the technical sophistication to specify their own configuration and the operational discipline to manage a custom-built platform. Your data-centre network team will appreciate the flexibility to choose NIC speed and port count after capacity planning is complete. Your storage architect will value the RAID controller option without forced GPU slot sacrifice. And your procurement and finance teams will benefit from spreading configuration costs across time, ordering the chassis foundation months before accelerators arrive, if project budgets or supply-chain realities dictate a phased approach.

Accelerator-Optimised Specifications & Configuration Options

• Four double-wide GPU/accelerator slots with full PCIe Gen 5 connectivity and independent cooling zones
• Dual Intel Xeon Scalable 4th Generation (Sapphire Rapids) sockets with support for up to 24 DDR5 DIMM configuration
• HPE P416i-O SR Gen11 OCP3 storage controller supporting RAID 0, 1, 5, 6, 10, 50, and 60 configurations
• OCP 3.0 compliant network slot architecture for customer-selectable NIC options and speeds
• HPE iLO 6 Integrated Lights-Out management for remote console, power, and firmware control across fleet deployments
• 2U form factor designed for dense rack-mounted data centres with standard 19-inch cabinet compatibility
• Qualified support for Windows Server, Red Hat Enterprise Linux, and VMware vSphere operating environments

Omnixon Global serves data-centre teams, AI infrastructure builders, and enterprise IT departments across the GCC, Asia, and Europe with HPE ProLiant server solutions tailored to regional deployment needs. The P54903-B21 is in stock and available for RFQ through our Dubai facility. Contact our solutions team to discuss configuration specifications, lead times, and delivery logistics for your accelerator-optimised deployment.