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865414-B21
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HPE 800W FS PLAT HT PLG LH PWR SPLY KIT PL-SI
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
865414-B21
- Description:
- HPE 800W FS PLAT HT PLG LH PWR SPLY KIT PL-SI
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$480.54
- Price:
$110.5377% off
Quantity:
1
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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
- Brand
- Hpe
- 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.
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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 |
| 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 |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
T
Thomas Reed
5
Power supply delivered stable output under continuous load.
B
Bilal Ashraf
5
Hot-plug design made replacement effortless.
A
Andrew Nolan
5
OEM PSU fit perfectly and worked immediately.
F
Farhan Saeed
5
Reliable power for critical servers.
M
Marco De Santis
5
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.
What are the benefits of the Low Halogen (LH) design in the HPE 800W FS Platinum PSU?
Low Halogen construction reduces hazardous substances, enhances environmental compliance, and supports safer disposal without compromising performance.
Does the HPE 865414-B21 power supply offer redundancy features?
Yes. It supports N+1 and 2+N redundancy configurations when used with additional identical power modules for continuous availability.
What warranty coverage does HPE provide for the 800W FS Platinum Power Supply Kit?
HPE provides a three-year limited warranty covering defects in materials and workmanship under normal use conditions.
How do I install the HPE 800W FS Platinum Hot Plug Power Supply?
Slide the module into an empty power bay until it clicks and engage the latch. No tools are required for installation.
What connectors does the HPE 865414-B21 power supply use?
It uses a single IEC C14 AC input connector and a proprietary HPE server backplane interface for power delivery and monitoring.
Is monitoring available for the HPE 800W FS Platinum Power Supply?
Yes. Integrated Lights-Out (iLO) provides real-time monitoring of power output, temperature, and efficiency metrics.
What are the operating temperature ranges for this power supply?
The unit operates reliably in environments from 0 °C to 45 °C (32 °F to 113 °F).
How can I verify my server supports the HPE 865414-B21 power supply upgrade?
Consult your server’s QuickSpecs on HPE’s website or contact HPE Support to confirm Flexible Slot FS power supply compatibility.
Are replacement modules available for field service?
Yes. Authorized HPE service providers offer replacement modules under warranty and through extended service contracts.
How does the 800W FS Platinum PSU improve energy savings?
Its high conversion efficiency reduces electrical losses, lowering both energy consumption and cooling requirements.
Where can I download the installation guide for the HPE 800W FS Platinum Power Supply?
The installation guide and technical documentation are available on HPE’s official support website under SKU 865414-B21.
What certifications does the HPE 800W FS Platinum Power Supply hold?
It holds UL, CE, FCC, CCC, and TUV safety and EMC certifications, ensuring compliance with global standards.
Can the HPE 865414-B21 power supply operate on different voltage levels?
Yes. It supports universal AC input from 100 V to 240 V auto-ranging for worldwide deployment.