HPE 500W Slot Platinum Hot Plug Power Supply 865408-B21 865398-001 866729-001

P/N: HSTNS-PL40-1, 866729-001, 865398-001, 865408-B21, PS-2501-3CH, 865399-201, 865399-501, 865399-101, HSTNS-PC40-1, HSTNS-PD40-1, DPS-500AB-31

The HPE 500W 80+ Platinum Flex Slot Power Supply is a high-efficiency, enterprise-class hot-plug PSU engineered for HPE ProLiant Gen9, Gen10, and Gen10 Plus servers. With up to 94% efficiency at 50% load, it helps reduce power consumption, lower heat output, and support redundant configurations for maximum uptime in data center environments.

Primary Identifiers (All Units Share):

• Option Part #: 865408-B21

• Spare Part #: 866729-001

• GPN #: 865398-001

Additional Related / Assembly / Model Numbers:

• 865399-201

• 865399-501

• 865399-101

• HSTNS-PL40-1

• HSTNS-PC40-1

• HSTNS-PD40-1

• PS-2501-3CH

• DPS-500AB-31

Note: All units are functionally equivalent and carry the same GPN 865398-001, Option 865408-B21, and Spare 866729-001.

• Power Output: 500 Watts / 563 VA

• Efficiency Rating: 80 PLUS Platinum (up to 94%)

• Form Factor: HPE Flexible Slot (Flex Slot), Plug-in Module

• Input Voltage: 100–240V AC

• Input Frequency: 50–60 Hz

• Input Connector: IEC 60320 C14

• Cooling: Active Fan

• Power Factor Correction: Integrated

• Halogen Status: Low Halogen

• Dimensions: 1.6 × 2.7 × 8.9 in (4.06 × 6.86 × 22.61 cm)

• Weight: Approx. 32.1 oz (910 g)

• Operating Temperature: 41°F to 131°F (5°C to 55°C)

• Hot-Plug / Redundant Design – Replace without shutting down the server

• Platinum-Level Efficiency – Reduces power costs and cooling requirements

• Compact Flex Slot Design – 25% smaller than previous HPE generations

• Data Center Optimized – Ideal for high-availability and virtualized workloads

HPE ProLiant DL Series (Rackmount)

Gen9 Servers

• HPE ProLiant DL360 Gen9

• HPE ProLiant DL380 Gen9

• HPE ProLiant DL388 Gen9

Gen10 & Gen10 Plus Servers

• HPE ProLiant DL20 Gen10

• HPE ProLiant DL120 Gen10

• HPE ProLiant DL160 Gen10

• HPE ProLiant DL180 Gen10

• HPE ProLiant DL325 Gen10

• HPE ProLiant DL345 Gen10 Plus

• HPE ProLiant DL360 Gen10

• HPE ProLiant DL365 Gen10 Plus

• HPE ProLiant DL380 Gen10

• HPE ProLiant DL385 Gen10

• HPE ProLiant DL388 Gen10

• HPE ProLiant DL560 Gen10

• HPE ProLiant DL580 Gen10

HPE ProLiant ML Series (Tower)

• HPE ProLiant ML350 Gen9

• HPE ProLiant ML30 Gen10

• HPE ProLiant ML110 Gen10

• HPE ProLiant ML350 Gen10

Other Compatible Systems

• HPE ProLiant BL460c Gen10

• HPE Apollo 2000 Gen10

• HPE Apollo 4500 Gen10

• HPE Cloudline CL2600 Gen10

• HPE Cloudline CL2800 Gen10

• HPE StoreEasy 1000

• Enterprise data centers

• Redundant power configurations

• High-availability & virtualized environments

• Energy-efficient infrastructure upgrades