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865414-B21 — HPE 800W Flex Slot Platinum Hot-Plug Low Halogen Power Supply | Technical Guide

Overview

The HPE 865414-B21 is an 800W Flex Slot hot-plug power supply for HPE ProLiant Gen9 and Gen10 servers. HPE’s Flex Slot PSU design provides a universal power supply form factor across multiple server generations — the same PSU fits DL360, DL380, ML350, and more. Rated 80 Plus Platinum with Low Halogen certification, it meets both efficiency and environmental compliance requirements. The 800W capacity covers most dual-socket configurations including full memory and moderate drive loads.

Specifications

SpecificationDetail
Part Number865414-B21 (option) / 866730-001 (spare)
Wattage800W
Efficiency80 Plus Platinum
Input Voltage100-240V AC (auto-ranging)
Hot-PlugYes
Redundancy1+1 when paired
Form FactorHPE Flex Slot
EnvironmentalLow Halogen
Compatible GenerationHPE Gen9 / Gen10

This Part Fits These Servers

  • HPE ProLiant DL360 Gen10
  • HPE ProLiant DL380 Gen10
  • HPE ProLiant DL360 Gen9
  • HPE ProLiant DL380 Gen9
  • HPE ProLiant ML350 Gen10

Not sure about compatibility? ICD’s technical team verifies every order against your server’s generation and configuration before shipping.

Cross-Reference Part Numbers

  • 866730-001 (spare PN)
  • 865412-201 (assembly)
  • 720479-B21 (Gen9 800W variant)

All cross-referenced part numbers are functionally identical. ICD supplies both OEM and compatible options — specify your preference when requesting a quote.

Why Choose ICD

ICD offers 500,000+ enterprise server parts from Dell, HPE, Lenovo, Cisco, and IBM. Every part ships tested, verified, and ready for production deployment. ICD sources exclusively from US and European channels with full traceability.

Whether you need a single module for a break-fix or volume quantities for a data center refresh, ICD quotes within 24 hours and ships worldwide.

Get a Quote for 865414-B21

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