865398-001 – HPE 500W Flex Slot Platinum Hot-Plug Power Supply Kit 94% Efficiency 80 Plus Platinum Certified

Overview on the HPE 500W Flex Slot Platinum PSU

The HPE 500W Flex Slot Platinum Hot-Plug Power Supply (HPE Spare Part Number: 865398-001) is an enterprise-class, ultra-efficient power delivery module. It is engineered beautifully to provide stable electrical currents, isolate power anomalies, and cut energy overhead within intense data center environments. Built on HPE’s flexible, space-saving Flexible Slot (Flex Slot) form factor architecture, this power supply shares a common electrical and physical design across multiple server series. Therefore, it is designed perfectly for HPE ProLiant Gen9 and Gen10 rack servers, Apollo storage clusters, and critical enterprise computing nodes. This high-efficiency hardware asset slides effortlessly into the server’s rear power bays. Consequently, it allows systems administrators to scale power configurations or implement N+1 redundancy architectures cleanly without risking system downtime.

This professional power block focuses heavily on minimizing operational cost footprints while maintaining total system stability. Specifically, it boasts an official 80 Plus Platinum certification, executing power translations at an incredible 94% energy efficiency profile. Because of this electrical optimization, it substantially reduces waste heat generation and overall facility power consumption. By implementing full hot-plug and hot-swap compatibility mechanics, the unit installs smoothly while the host server remains fully operational under heavy tenant loads. To protect the underlying computing components from unexpected infrastructure issues, it incorporates built-in over-voltage, short-circuit, and thermal defense layers. This smart architecture ensures that your critical business files and live network tasks remain entirely safe during sudden utility grid fluctuations.

Key Features & Performance

• Ultra-Efficient Platinum Certification: Delivers up to 94% power efficiency at standard operational loads. Therefore, it slashes corporate utility expenses and helps data centers meet strict green energy compliance baselines.

• Tool-Less Hot-Plug Architecture: Features a standardized hot-swap form factor with a quick-release locking latch. Consequently, it enables rapid maintenance replacements or redundant expansions without shutting down the host system.

• Common Slot Design Framework: Uses a compact physical layout that is 25% smaller than legacy common slot power supplies. As a result, it frees up valuable internal space for increased server cooling airflow and backplane connectivity.

• Intelligent Power Management Tracking: Integrates natively with the server’s built-in iLO management engine. This connection allows IT teams to monitor real-time electrical draw, track thermal trends, and manage power capping policies remotely.

• Comprehensive Electrical Defense Grid: Outfitted with robust protection circuitry against over-current, over-voltage, under-voltage, and short-circuit faults. Furthermore, it completely safeguards your server motherboards from hazardous power spikes.

Technical Specifications

• Brand: Hewlett Packard Enterprise (HPE)

• Product Line Family: Flexible Slot (Flex Slot) Series

• HPE Option Part Number: 865408-B21

• HPE Spare Part Number: 865398-001 / 720471-001

• Model Model Number: HSTNS-PD40 / DPS-500AB-13 A

• Total Power Output Capacity: 500 Watts

• Energy Efficiency Rating: 80 Plus Platinum Certified (Up to 94% Efficiency)

• Input Voltage Range: 100V – 240V AC Auto-Sensing (50Hz – 60Hz)

• Form Factor Profile: Plug-In Module (Common Flex Slot Architecture)

• Hot-Plug / Hot-Swap Support: True Hot-Pluggable Design

• Cooling Fan Configuration: Integrated High-Performance Low-Noise Exhaust Fan

• Output Rail Currents: Main +12V Rail / Auxiliary Standby Rail

• HPE Server Compatibility: Validated for ProLiant Gen9 and Gen10 server series (including DL360, DL380, DL160, DL180, ML350 Gen10), and select Apollo Storage Systems

Infrastructure Redundancy & Power Optimization

The HPE 500W Flex Slot power supply hardens enterprise server architecture by enabling flexible, fault-tolerant electrical layouts:

• True N+1 Redundant Deployment: Allows two matching modules to run together simultaneously inside dual-bay server chassis. This arrangement ensures that if one utility power line or module drops out completely, the secondary block instantly takes over the full power load.

• Dynamic Power Allocation Modes: Works with the server’s motherboard logic to run in balanced or high-efficiency redundant modes. For this reason, it can place the secondary power supply into a low-power standby state during light workloads to save extra energy.

• Industrial Thermal Resilience: Constructed using high-grade enterprise-class solid capacitors and heavy-duty contact points. This layout withstands continuous 24/7 operating temperatures up to 55°C, ensuring reliable performance in demanding server cabinets.

Conclusion

The HPE 500W Flex Slot Platinum Hot-Plug Power Supply Kit stands out as an exceptional, cost-effective asset for future-proofing your business infrastructure. It successfully bridges the gap between older, power-hungry legacy systems and modern, highly efficient corporate data arrays. Specifically, this 500W power module pairs an impressive 94% operational efficiency profile with an 80 Plus Platinum certification, tool-less hot-plug utility, and advanced remote power tracking features. This comprehensive layout ensures your server operating system runs with absolute fluid stability whether you are handling heavy multi-tenant databases or daily file routing. Furthermore, its ultra-compact shape and robust safety circuits integrate seamlessly into standard network server cabinets. Therefore, you can deploy a responsive, highly resilient computing environment that manages your high-density workloads safely and efficiently for years to come.