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Universal PSU worked across multiple server models.
865428-B21
800W FS UNIV HT PLG LH PWR SPLY KIT PL=SI
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Name:
865428-B21
- Description:
- 800W FS UNIV HT PLG LH PWR SPLY KIT PL=SI
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$483.00
- Price:
$184.0061.9% off
Quantity:
1
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865428-B21 Overview
865428-B21 is a high-performance power supply featuring an 850W wattage rating, a fully modular design, and an ATX form factor. It boasts an 80 PLUS Gold certification for high efficiency, operates on an input voltage range of 100–240V, and includes Active PFC. The unit is equipped with a 120mm fan using a fluid dynamic bearing, and is safeguarded with OCP, OVP, and SCP protections. It provides a comprehensive set of connectors including one ATX 24-pin, one EPS (CPU) 4+4 pin, two PCIe (6+2) connectors, four SATA power connectors, and two Molex connectors.
Designed for optimal build quality and low noise levels, this power supply uses sleeved cables to maintain a tidy installation and ensure reliable performance. Its efficiency rating of 92% makes it a perfect choice for demanding environments such as gaming systems and high-end workstations, where both electrical stability and quiet operation are essential.
865428-B21 price is $184.00, a 61.9% saving from the Hpe list price of $483.00. 865428-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 865428-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
865428-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC / UL / CB / TUV / 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
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 4
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- 865428-B21 High Performance Modular ATX Power Supply
- Height
- 5 inches
- Width
- 5.9 inches
- Depth
- 11 inches
- Weight
- 6.2 lbs
865428-B21 Use Case
Edge Data Center High-Temperature Redundant Power Deployment
In a micro-edge data center running high-density compute nodes in harsh ambient conditions, the 865428-B21 800W FS UNIV HT PLG LH Power Supply Kit provides hot-swappable, heat-tolerant redundant power feeds. This deployment reduces scheduled maintenance windows by 40%, achieves 99.999% uptime for real-time analytics workloads, and lowers total cost of ownership through modular scalability.
Telecom Base Station Heat-Tolerant Backup Power Configuration
At remote cellular base stations exposed to extreme heat, the 865428-B21 800W power supply kit with universal hot-plug left-hand orientation ensures seamless backup power transitions. Operators benefit from simplified field swap-outs, a 25% reduction in mean time to repair (MTTR), and uninterrupted service delivery for millions of mobile subscribers.
Industrial Automation Harsh-Environment Power Integration
In a manufacturing facility adjacent to high-temperature furnaces, the 865428-B21 800W FS UNIV HT PLG LH kit supplies stable, heat-tolerant power to PLC and robotics controllers. The result is a 30% decrease in equipment failures, extended hardware lifecycles by 18 months, and enhanced production line reliability under extreme thermal stress.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 865428-B21 |  J9405B |  J2P87A |  JG545A |  798349-B21 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 850W | 850W | 550W | 750W |
| Use Case | Gaming | Workstation / Gaming | Gaming / Workstation / General Use | Enterprise Server / Workstation / Gaming | Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Semi-Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | Multi Rail | Single Rail | Single Rail | Multi Rail |
| Certifications | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 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 | Dual Ball | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | No | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 90% | 90% | 92% |
| Protections | OCP / OVP / SCP | OCP / OVP / UVP / OTP | OCP, OVP, UVP, SCP, OTP | OCP / OVP / SCP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 3 | 2 |
| SATA Power Connectors | 4 | 8 | 6 | 6 | 6 |
| Molex Connectors | 2 | 4 | 3 | 4 | 2 |
| 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 | 100,000 hours | 100,000 hours | 150,000 hours | 120,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 865428-B21 High Performance Modular ATX Power Supply | J9405B High-Performance ATX Power Supply | J2P87A 850W Gold Modular ATX Power Supply | JG545A High Performance 550W Modular ATX Power Supply | 798349-B21 High Performance Power Supply |
| Height | 5 inches | 5.5 inches | 6 inches | 5 inches | 5.5 inches |
| Width | 5.9 inches | 5.3 inches | 5.9 inches | 8.5 inches | 5.9 inches |
| Depth | 11 inches | 7.1 inches | 8.8 inches | 6 inches | 7.1 inches |
| Weight | 6.2 lbs | 5 lbs | 4.5 lbs | 4 lbs | 4.5 lbs |
Reviews & Ratings
K
Kashif Iqbal
4
Hot-plug feature simplified maintenance.
D
David Ross
5
OEM quality with stable output.
H
Hassan Raza
3
Reliable everyday power supply.
P
Pierre Laurent
4
Solid enterprise component.
Questions & Answers
What is the power capacity of the SK-U865428-B21 800W FS Universal Hot-Plug Power Supply Kit?
This module delivers 800 watts of continuous power in a full-size, hot-plug form factor for high-availability systems.
Which server models are compatible with SKU 865428-B21?
The 800W FS Universal Hot-Plug Power Supply Kit supports most leading OEM rack servers equipped with standard 2x4-pin power supply bays.
What does “hot-plug” mean for this 800W power supply?
Hot-plug capability lets you replace or install the unit without shutting down the server, ensuring uninterrupted uptime.
What is the efficiency rating of this power supply kit?
It meets Platinum-level efficiency (94% typical) under the 80 PLUS certification for reduced energy waste and lower operating costs.