HPE 872340-B21 - HPE DL580 Gen10 9-slot Secondary Riser Kit

Brand: HPE | Category: Accessories & Components

SKU: HPE-872340-B21 | Part #: 872340-B21 | MPN: 872340-B21

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Installation simplicity and physical density define the value proposition of the HPE 872340-B21, a secondary PCIe riser kit purpose-built for the HPE ProLiant DL580 Gen10 four-socket server platform. Unlike standalone expansion cards that require careful slot sequencing and firmware validation, this HPE factory-original component slides into a predetermined secondary riser position within the 4U chassis, eliminating guesswork during installation. The tool-less design means infrastructure teams deploy additional PCIe bandwidth without requiring technicians to power down the host or manually reconfigure slot assignments—a practical advantage when managing densely packed data centre racks where every minute of uptime carries operational weight.

The DL580 Gen10 platform originally ships with a primary riser that provides foundational PCIe connectivity for network and storage controllers. For organisations expanding GPU capacity, adding high-speed interconnect fabric (such as NVIDIA InfiniBand or Mellanox SmartNIC deployments), or scaling persistent memory configurations, the secondary riser becomes essential. The HPE 872340-B21 brings nine additional PCIe slots to the server without requiring a chassis swap or architectural redesign. Infrastructure architects and systems integration teams at hyperscale AI labs, financial services data centres, and enterprise cloud deployments rely on this exact expansion path when their initial four-socket Xeon Scalable configuration demands more peripheral connectivity than the primary riser alone can provide. By adding a second riser rather than replacing the server, organisations preserve their existing investment in CPU licensing, memory configurations, and network cabling.

Compatibility validation is built into the part number itself. HPE publishes QuickSpecs documentation for every processor generation and riser combination, and the 872340-B21 carries factory validation for DL580 Gen10 platforms running Intel Xeon Scalable processors in four-socket configuration. This certification is not merely cosmetic—it ensures that BIOS firmware, PCIe enumeration logic, and power delivery pathways are tested to handle nine additional slots without thermal throttling, power rail saturation, or firmware conflicts. When your organisation purchases this component through an authorised distributor, support entitlement flows directly from HPE; there is no compatibility ambiguity and no risk of voiding the service contract by installing non-approved expansion hardware. Data centre operations teams depend on this clarity because unsupported expansion is often the hidden cause of intermittent failures that surface months after installation.

The physical footprint of the secondary riser reflects HPE's engineering discipline. The kit fits within the existing 4U envelope, meaning no chassis modifications are required and no additional rack space is consumed. Cable routing, airflow paths, and thermal management remain predictable. Network engineers and storage architects can plan capacity expansions with confidence that a secondary riser installation will not force facility upgrades, power budgeting revisions, or cooling infrastructure changes. This constraint-aware design also simplifies procurement workflows: the HPE 872340-B21 integrates with any existing DL580 Gen10 deployment without triggering architectural review cycles.

As a genuine HPE factory option, the 872340-B21 carries the same manufacturing standards and quality assurance applied to the server itself. New, factory-original units arrive ready for immediate deployment, with no refurbishment, reset, or firmware initialisation steps required. The part number appears in HPE's official component compatibility matrices, spare parts catalogues, and hardware lifecycle documentation, making it discoverable by procurement systems, asset management platforms, and service desk ticketing workflows that organisations rely on to track expensive infrastructure investments over their useful life.

Platform Compatibility and Expansion Profile

• Nine PCIe slots available for GPU, InfiniBand, SmartNIC, or persistent memory adapter cards
• Qualified for HPE ProLiant DL580 Gen10 servers with four-socket Intel Xeon Scalable processor configuration
• Secondary riser position ensures primary connectivity paths remain unaffected by expansion
• Maintains full HPE support coverage and service entitlement when installed on validated platforms
• QuickSpecs compliance verified; no firmware updates or configuration workarounds required
• Compatible with existing 4U form factor—no chassis modification or additional rack space needed
• Factory-original condition; ready for immediate production deployment

Omnixon Global stocks HPE ProLiant components and accessories across the GCC region and broader EMEA markets, including secondary risers, fabric adapters, and memory expansion kits for data centre scaling projects. If your organisation is planning DL580 Gen10 expansion or requires inventory availability for immediate deployment, contact our technical sales team with your configuration requirements and project timeline. We welcome requests for quotation, volume pricing discussions, and deployment planning consultation for enterprise and AI infrastructure projects across Dubai, the UAE, and surrounding regions.