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Power supply delivered stable output under continuous load.
865414-B21
HPE 800W FS PLAT HT PLG LH PWR SPLY KIT PL-SI
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Name:
865414-B21
- Description:
- HPE 800W FS PLAT HT PLG LH PWR SPLY KIT PL-SI
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- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$480.54
- Price:
$110.5377% off
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865414-B21 Overview
865414-B21 is a powerful 750W power supply that features a fully modular design optimized for ATX systems. It boasts an 80 PLUS Gold certification, supports an input voltage of 100–240V, and uses Active PFC to maximize efficiency. The unit is equipped with a 120mm Fluid Dynamic fan designed to minimize noise while delivering robust cooling. With built‐in protections including OCP, OVP, SCP, and OTP, this PSU ensures safe operation under demanding loads, and it comes with essential connectors like a 24-pin ATX, an EPS 4+4 pin for the CPU, two PCIe (6+2) connectors for GPUs, six SATA power connectors, and three Molex connectors.
865414-B21 is engineered with premium build quality for reliable performance in high-intensity computing tasks such as gaming and workstation applications. It leverages a sleeved cable design for optimal cable management while achieving a 92% efficiency rating in operation. The unit’s stable rail configuration and low noise levels make it an ideal choice for enthusiasts looking for dependable power delivery and quiet operation in both home and professional setups.
865414-B21 price is $110.53, a 77% saving from the Hpe list price of $480.54. 865414-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 865414-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
865414-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 750W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / UL / ROHS
- Remote Monitoring
- No
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 120mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- Yes
- Efficiency Rating
- 92%
- Protections
- OCP / OVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 3
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 55°C
- Product Name
- 865414-B21 High Performance Modular ATX Power Supply
- Height
- 5.5 inches
- Width
- 8.6 inches
- Depth
- 6.3 inches
- Weight
- 4.2 lbs
865414-B21 Use Case
High-Density Edge Data Center Power Scaling
In remote or branch edge data centers running HPE ProLiant servers, the 865414-B21 HPE 800W FS PLAT HT PLG LH Power Supply Kit ensures optimal power delivery for high-density compute racks. By enabling hot-swap, left-hand plugin replacement, this module minimizes downtime during maintenance and scales power capacity by 800W per node. Outcome: Increased rack density, 99.99% uptime, and simplified maintenance for edge deployments.
Financial Trading Platform Redundant Power Protection
Major financial firms deploying ultra-low latency trading servers use the HPE 865414-B21 800W FS PLAT HT PLG LH PWR SPLY KIT PL-SI to add redundant, high-efficiency power paths. In a dual-supply configuration, each server achieves seamless failover during a power module fault. Outcome: Zero-trade interruption, compliance with SLAs, and enhanced risk management under peak market loads.
Cloud Service Provider Rapid Hot-Swap Maintenance
Cloud hosting operators integrating HPE Synergy or ProLiant infrastructures leverage the 865414-B21 power supply kit for quick 800W module switchover without server shutdown. The left-hand plugin design accelerates on-rack service cycles, reducing service ticket duration. Outcome: Faster Mean Time to Repair (MTTR), elevated customer SLAs, and improved power efficiency across thousands of virtual instances.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 865414-B21 |  512327-B21 |  J2R04A |  AF486A |  656362-B21 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 750W | 750W | 850W | 850W |
| Use Case | Gaming | Workstation / Gaming | Gaming / Workstation / General Use | Gaming / Workstation | Enterprise Server / Workstation / Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / CB / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | N/A | No | No | No |
| Input Voltage | 100–240V | 100–240V | 110–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 94% | 94% | 92% | 94% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / UVP / SCP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 2 | 2 |
| PCIe (6+2) Connectors | 2 | 3 | 2 | 2 | 3 |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 6 |
| Molex Connectors | 3 | 4 | 4 | 2 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 55°C | 55°C | 50°C | 50°C | 50°C |
| Product Name | 865414-B21 High Performance Modular ATX Power Supply | 512327-B21 High Efficiency ATX Modular Power Supply | J2R04A High-Efficiency Modular Power Supply | AF486A | 656362-B21 High Performance Modular Power Supply |
| Height | 5.5 inches | 5 inches | 5.5 inches | 4.5 inches | 5 inches |
| Width | 8.6 inches | 6 inches | 7.0 inches | 5.9 inches | 6 inches |
| Depth | 6.3 inches | 5.5 inches | 6.0 inches | 10.4 inches | 3 inches |
| Weight | 4.2 lbs | 4 lbs | 4.2 lbs | 4.2 lbs | 5 lbs |
Reviews & Ratings
B
Bilal Ashraf
4
Hot-plug design made replacement effortless.
A
Andrew Nolan
5
OEM PSU fit perfectly and worked immediately.
F
Farhan Saeed
3
Reliable power for critical servers.
M
Marco De Santis
4
Consistent and efficient.
Questions & Answers
What is the HPE 800W FS Platinum Hot Plug LH Power Supply Kit (SKU: 865414-B21)?
It’s an 800 W flexible-slot, hot-plug, Low Halogen power supply module with 80 PLUS Platinum efficiency, designed to deliver high reliability for HPE ProLiant servers.
Which servers are compatible with the HPE 800W FS Platinum Power Supply Kit?
This kit is compatible with HPE ProLiant Gen9 and Gen10 rack servers—including DL360, DL380, DL560—that support Flexible Slot (FS) power supplies.
What efficiency rating does the HPE 865414-B21 power supply kit have?
It holds an 80 PLUS Platinum rating, delivering up to 94 % energy efficiency under typical load conditions.
Can I hot-swap the HPE 800W FS Platinum Power Supply without downtime?
Yes. Its hot-plug capability allows you to replace or add modules without shutting down or disrupting server operations.