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Backplane kit worked perfectly with matching power modules.
828735-B21
HPE 900W AC 240VDC Pwr Backplane FIO Kit
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828735-B21
- Description:
- HPE 900W AC 240VDC Pwr Backplane FIO Kit
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- Hpe
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- List Price:
$237.73
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828735-B21 Overview
828735-B21 is a high-performance 850W power supply featuring a modular design in an ATX form factor, engineered with an 80 PLUS Gold certification, a wide input voltage range of 100–240V, and active PFC for efficient power management. It is equipped with a robust 120mm fluid dynamic fan (with zero RPM mode) and comprehensive safety protections including OCP, OVP, UVP, SCP, OTP, and OPP, along with a full suite of connectors such as a 24-pin ATX, dual CPU (EPS) 4+4 pin, four 6+2 PCIe, eight SATA, and four Molex connectors.
Designed to deliver a high efficiency rating of 90% with high build quality and sleeved cabling, this power supply operates at low noise levels even under heavy loads. Its exceptional reliability makes it ideal for demanding applications in gaming, workstations, and general use environments, ensuring stable performance and long-term durability.
828735-B21 price is $133.13, a 44% saving from the Hpe list price of $237.73. 828735-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 828735-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
828735-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Multi 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
- 90%
- Protections
- OCP / OVP / UVP / SCP / OTP / OPP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 2
- PCIe (6+2) Connectors
- 4
- SATA Power Connectors
- 8
- Molex Connectors
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- 828735-B21 High Performance ATX Power Supply
- Height
- 5.5
- Width
- 5.9
- Depth
- 8.6
- Weight
- 7 lbs
828735-B21 Use Case
Enterprise Data Center Power Efficiency Upgrade
In a high-density enterprise data center migrating to a 240 VDC rack environment, IT architects deploy the HPE 828735-B21 900W AC→240 VDC Power Backplane FIO Kit to integrate existing AC PDUs with next-generation HPE ProLiant servers. This solution eliminates dual-conversion losses, drives up to 12 % energy savings, simplifies cable management and boosts overall PUE, delivering rapid ROI and sustained operational efficiency.
Telecom Central Office DC Power Standardization
A national telecom operator standardizes its central office on 240 VDC infrastructure to align with telco power-plant specifications. By installing the HPE 828735-B21 900W AC 240 VDC Power Backplane FIO Kit into their HPE MicroBlade chassis, engineers gain hot-swappable backplane support, achieve full compliance with DC-bus requirements, and reduce mean time to repair. The outcome is predictable uptime and reduced field-service intervention.
Edge Computing Deployment for Retail Chain
A global retailer rolls out edge computing nodes in hundreds of remote stores with mixed AC and DC power sources. Integrating the 828735-B21 HPE 900W AC 240 VDC Power Backplane FIO Kit into HPE Edgeline servers ensures consistent 900 W backplane delivery, enables plug-and-play installation by field technicians, and supports real-time IoT analytics. The result is minimized onsite maintenance costs and accelerated time-to-market for new services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 828735-B21 |  JL086A |  JL821A |  JL087A |  J9739A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 650W | 850W | 750W | 750W |
| Use Case | Gaming | Gaming / Workstation / Server | Gaming / Workstation / General Use | Gaming / Workstation / Rack Server | Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Semi-Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Multi 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 / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / CB / RoHS |
| Remote Monitoring | No | No | N/A | 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 | Dual Ball | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 90% | 92% | 92% | 94% | 92% |
| Protections | OCP / OVP / UVP / SCP / OTP / OPP | OCP / OVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 1 | 2 | 2 | 1 |
| PCIe (6+2) Connectors | 4 | 2 | 2 | 3 | 2 |
| SATA Power Connectors | 8 | 4 | 6 | 6 | 4 |
| Molex Connectors | 4 | 2 | 4 | 2 | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Braided | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 100,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 828735-B21 High Performance ATX Power Supply | JL086A High-Efficiency Modular ATX Power Supply | JL821A 850W Modular ATX Power Supply | JL087A High-Performance Modular ATX Power Supply Unit | J9739A High Performance 750W Semi-Modular Gaming Power Supply |
| Height | 5.5 | 5 inches | 5.5 inches | 3.4 inches | 5 inches |
| Width | 5.9 | 6 inches | 5.9 inches | 5.9 inches | 6 inches |
| Depth | 8.6 | 7 inches | 8.3 inches | 6.3 inches | 5.5 inches |
| Weight | 7 lbs | 8 lbs | 4.8 lbs | 4.5 lbs | 4 lbs |
Reviews & Ratings
N
Noman Khalid
4
Solid build quality and easy fit.
R
Ryan Foster
5
No downtime during installation.
Z
Zubair Ahmed
3
Reliable power distribution.
S
Stefan Weber
4
Good OEM part.
Questions & Answers
What is the HPE 900W AC 240VDC Pwr Backplane FIO Kit (SKU 828735-B21)?
The HPE 900W AC 240VDC Pwr Backplane FIO Kit (828735-B21) is a field-installable assembly that upgrades the server power backplane to support both 900W AC and 240VDC power supplies in compatible HPE ProLiant servers.
Which HPE ProLiant models support the 828735-B21 Pwr Backplane FIO Kit?
This kit is compatible with HPE ProLiant DL360 Gen9/Gen10 and DL380 Gen9/Gen10 servers; please consult the HPE QuickSpecs for the full list of supported models.
How does the HPE 900W AC 240VDC Pwr Backplane FIO Kit enhance server power capabilities?
It enables the use of higher-wattage 900W AC and 240VDC power supplies, increasing overall power capacity and supporting denser compute workloads without additional chassis modifications.
Can I use both 900W AC and 240VDC power supplies interchangeably with this kit?
Yes; once installed, the backplane auto-detects either 900W AC or 240VDC power modules and supports hot-plug operation without manual configuration.