HPE DL385 GEN10+ 12GB NVME 2P Adptr - P25527-B21

HPE P25527-B21 DL385 Gen10+ 12GB NVMe 2-Port Adapter

Overview

The HPE P25527-B21 is a dual-interface adapter card designed specifically for the HPE ProLiant DL385 Gen10 Plus server platform, delivering both NVMe storage connectivity and Ethernet networking from a single expansion slot. Weighing just 0.62 lb, this factory-new adapter targets environments where storage throughput and network integration must coexist in a dense rack footprint — think edge recording nodes, high-transaction database tiers, or surveillance back-end infrastructure where NVMe latency matters.

If you are evaluating HPE server components for a storage-intensive deployment, the P25527-B21 warrants consideration wherever the DL385 Gen10+ is the host platform and both NVMe and Ethernet expansion are needed simultaneously.

Key Features

• NVMe Interface: Direct PCIe-attached NVMe connectivity bypasses the traditional storage controller stack, reducing latency compared to SAS/SATA paths — relevant in any workload where queue depth and IOPS ceiling matter, such as high-channel NVR back-end storage or fast-ingest analytics nodes.
• Ethernet Interface: Integrated Ethernet on the same adapter card means one slot handles both storage and network I/O. For PoE switch-fed server racks with limited PCIe real estate, this consolidation avoids occupying a second slot for a discrete NIC.
• Platform-Specific Design (DL385 Gen10+): Engineered and validated for the DL385 Gen10 Plus, meaning firmware compatibility, thermal envelope, and power delivery are matched to the host chassis — no guesswork on clearance or power rail compatibility.
• Compact Form Factor (0.62 lb): The low mass is consistent with a low-profile or standard adapter form factor, appropriate for populated DL385 chassis where airflow and neighbor-card clearance are constrained.

Integration & Compatibility

The P25527-B21 is validated for the HPE ProLiant DL385 Gen10 Plus. Confirm your chassis generation before ordering — HPE adapter cards are platform-matched and are not guaranteed interchangeable across DL385 generations. For broader server storage adapter options or to compare against other HPE expansion cards, review the full HPE server accessory catalog. UNSPSC commodity code 43201404 classifies this as a network interface card/adapter, consistent with its dual NVMe/Ethernet role.

No additional package contents data is available from current evidence — verify with your order confirmation for mounting hardware or documentation inclusions.

Frequently Asked Questions

Q: What server platform is the P25527-B21 designed for?

A: The P25527-B21 is designed and validated for the HPE ProLiant DL385 Gen10 Plus server. It is not confirmed compatible with earlier DL385 generations or other HPE server lines without additional HPE validation.

Q: What interfaces does the P25527-B21 provide?

A: The P25527-B21 provides both NVMe and Ethernet interfaces, allowing a single PCIe slot to handle high-speed storage connectivity and network I/O simultaneously.

Q: Is the P25527-B21 (also searched as P25527 B21) a new or refurbished unit?

A: Units sourced through standard distribution channels are factory-new. Confirm condition at time of order if provenance is critical to your procurement process.

Q: What does the 12GB designation in the product name refer to?

A: The 12GB designation in the HPE product name refers to the adapter's interface bandwidth specification. Confirm the exact throughput ceiling with HPE's official product documentation for your specific workload planning.

Q: Where is the P25527-B21 manufactured?

A: HPE lists multiple countries of origin for this part: China (CN), Czech Republic (CZ), Japan (JP), Mexico (MX), and Singapore (SG), reflecting HPE's global manufacturing footprint for server components.

Karl Wilson

The P25527-B21 is one of those platform-specific adapter cards that saves real rack space when you're building out a DL385 Gen10 Plus node and need both NVMe storage bandwidth and Ethernet connectivity without burning two PCIe slots. At 0.62 lb, it's clearly a low-profile form factor — that matters in a fully populated 2U chassis where neighboring cards and cable routing leave little room for a full-height double-wide card.

Technical Highlights:

• NVMe Interface: Direct PCIe-attached NVMe skips the traditional HBA/controller latency layer — for storage-intensive back-end workloads like high-channel video indexing or analytics pipelines, this is the correct path over legacy SAS.
• Ethernet Integration: Combining Ethernet on the same adapter as NVMe is the practical move when your DL385 has limited expansion slots and you need network connectivity without sacrificing a dedicated slot to a standalone NIC.
• Platform Validation: HPE's platform-specific design for the DL385 Gen10 Plus means firmware, power draw, and physical fit are validated together — you're not improvising clearance or hoping the slot's power budget accommodates an off-catalog card.

Deployment Considerations:

• Verify chassis generation before ordering — the DL385 Gen10 Plus is the validated host; Gen10 (non-Plus) or earlier variants are not confirmed compatible based on available evidence.
• Available evidence does not confirm exact PCIe lane count, port speed, or maximum throughput figures — pull the HPE QuickSpecs for this part number before committing to a bandwidth-sensitive design.

Best fit: a DL385 Gen10 Plus node serving as a high-ingest storage tier in a video surveillance back-end or edge analytics rack, where NVMe throughput and Ethernet connectivity both need to land in a single expansion slot without a second card occupying space you don't have.