865438-B21 - Hp E 800W Flex Slot Titanium Hot Plug Power Supply | Aztek Computers
29+Years
SKU: GLRWLV2GC1 |  Mfg. Part: 865438-B21  | UPC: 190017072746  | 
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865438-B21 - Hp E 800W Flex Slot Titanium Hot Plug Power Supply Kit

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Product Overview

The HPE 800W Flex Slot Titanium Hot Plug Power Supply Kit is engineered for high efficiency and reliability in demanding environments. With a peak efficiency of up to 96% and an 80 PLUS Titanium certification, it helps significantly reduce energy costs in data centers.

This power supply features a compact Flex Slot design which occupies 25% less space than previous models and simplifies installation with its tool-less hot-plug capability. This allows for uninterrupted service when replacing power supplies, enhancing the overall uptime of your systems.

Compatible with HPE ProLiant Gen10, Gen10 Plus, Gen11 series servers, and select HPE Apollo and Alletra storage systems, this power supply is a vital component for maintaining optimal performance and operational effectiveness.

Expert Overview

The HPE 800W Flex Slot Titanium Hot Plug Power Supply Kit, part number 865438-B21, is designed to provide efficient and reliable power for compatible HPE server and storage systems. This unit delivers 800 Watts of power with up to 96% efficiency, earning an 80 PLUS Titanium certification. Its primary purpose is to support critical IT infrastructure by ensuring stable power delivery while contributing to reduced operational energy costs in data center environments. The compact Flex Slot design optimizes space utilization within server chassis, and its hot-plug capability allows for tool-less installation and replacement without system downtime. This feature is crucial for maintaining continuous service and enhancing system uptime. It is suitable for IT professionals managing HPE ProLiant Gen10, Gen10 Plus, and Gen11 series servers, as well as select HPE Apollo and Alletra storage systems, where high efficiency and service continuity are priorities.

Technical Specifications

  • Power Output: 800 Watts
  • Efficiency: Up to 96% with 80 PLUS Titanium certification
  • Hot-plug capability for easy installation and removal
  • Compact Flex Slot design for improved space utilization
  • Input Voltage: AC 200-240 V
  • Operating Temperature: 41°F to 131°F (5°C to 55°C)
  • Operating Humidity: 5 - 95% (non-condensing)
  • Compatible with HPE ProLiant Gen10, Gen10 Plus, Gen11 series servers
  • Meets multiple compliance standards including UL, TUV, and low halogen

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
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  • Updated:
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  • HP
  • 865438-B21
  • B0743Z3G7H
  • 190017072746
  • New
  • 4 lbs
  • 5 X 5 X 5
  • Jul 28, 2026
  • Jul 16, 2025
Product Identifiers: Brand: Hp • Part #: 865438-B21 • UPC: 190017072746 • ASIN: B0743Z3G7H • Category: Server Power Supplies

Frequently Asked Questions

What is the efficiency rating of this power supply?

This power supply offers up to 96% efficiency and holds an 80 PLUS Titanium certification, designed to reduce energy consumption in data centers.

What is the power output of this unit?

The power supply provides a maximum output of 800 Watts, suitable for a range of compatible HPE server and storage systems.

Which HPE systems are compatible with this power supply?

This power supply is compatible with HPE ProLiant Gen10, Gen10 Plus, and Gen11 series servers, as well as select HPE Apollo and Alletra storage systems.

What is the benefit of the hot-plug capability?

The hot-plug capability allows for tool-less installation and removal of the power supply without requiring system shutdown, which helps maintain continuous service and system uptime.

865438-B21 - Hp E 800W Flex Slot Titanium Hot Plug Power Supply Kit

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