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Edward Collins
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RPS kit for Gen9 worked flawlessly.
784582-B21
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HP ML110 Gen9 RPS Enablement Kit
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Name:
784582-B21
- Description:
- HP ML110 Gen9 RPS Enablement Kit
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784582-B21 Overview
784582-B21 is a robust 750W modular ATX power supply that comes certified with 80 PLUS Gold efficiency and features an input voltage of 110–240V with Active PFC. It is equipped with a 135mm fan utilizing Fluid Dynamic bearings, and it offers comprehensive protections including OCP, OVP, SCP, and OTP to ensure reliable operation, along with one ATX 24-Pin connector, one EPS (CPU) 4+4 Pin connector, two PCIe (6+2) connectors, and six SATA power connectors. The unit’s sleeved cables and solid build quality contribute to low noise levels, making it ideally suited for gaming, workstations, and high-performance systems.
Engineered for users who demand efficiency and durability, the 784582-B21 delivers a high efficiency rating of 94% and is designed with streamlined modular cabling that minimizes clutter and improves airflow. Its thoughtful design, with a focus on quiet operation and reliable performance, meets the needs of enthusiasts and professionals alike in environments ranging from gaming rigs to demanding workstation setups.
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784582-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 750W
- Use Case
- Gaming / Workstation
- 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
- 110–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 135mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- Yes
- Efficiency Rating
- 94%
- 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
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 55°C
- Product Name
- 784582-B21 High Performance Modular ATX Power Supply
- Height
- 3.38 inches
- Width
- 5.91 inches
- Depth
- 5.51 inches
- Weight
- 6.6 lbs
784582-B21 Use Case
SMB Remote Branch High-Availability Power Redundancy
In a distributed small-to-medium business (SMB) retail or professional office scenario, deploying the 784582-B21 HP ML110 Gen9 RPS Enablement Kit enables hot-swappable redundant power supply functionality. This ensures uninterrupted operations during local power failures or PSU maintenance, reducing downtime by up to 99.9% and protecting critical point-of-sale (POS) and customer database applications.
Mid-Size Data Center Virtualization Host Fault Tolerance
For mid-size enterprise data centers running VMware or Hyper-V on HP ML110 Gen9 servers, integrating the 784582-B21 HP ML110 Gen9 RPS Enablement Kit delivers redundant power failover for virtualization hosts. This configuration minimizes live-migration interruptions, optimizes VM service-level agreements (SLAs) and boosts overall infrastructure reliability by eliminating single-point-of-failure power risks.
Industrial Edge Computing Power Resilience
In industrial IoT and edge computing deployments—such as smart manufacturing lines or remote monitoring sites—the 784582-B21 HP ML110 Gen9 RPS Enablement Kit provides dual-PSU redundancy on ML110 Gen9 servers. This solution maintains continuous data collection and analytics workflows during utility outages or maintenance, enhancing system uptime, protecting real-time operations and lowering potential revenue loss.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 784582-B21 |  J9829A |  JG745A |  798100-B21 |  Q0H80A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 750W | 750W | 1000W | 650W |
| Use Case | Gaming / Workstation | Gaming | Gaming | Gaming / Workstation | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Platinum | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Multi 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 |
| Remote Monitoring | No | No | No | N/A | No |
| Input Voltage | 110–240V | 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 | 135mm | 120mm | 120mm | 135mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 94% | 92% | 92% | 94% | 92% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP, OVP, UVP, SCP, OTP, OPP | 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 | 2 | 2 | 4 | 3 |
| SATA Power Connectors | 6 | 6 | 6 | 8 | 6 |
| Molex Connectors | 4 | 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 | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 55°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 784582-B21 High Performance Modular ATX Power Supply | J9829A High Performance 750W Modular ATX Power Supply | JG745A High-Efficiency Modular Power Supply | 798100-B21 High Performance Modular Power Supply | Q0H80A 650W Gold Modular ATX Power Supply |
| Height | 3.38 inches | 3.39 inches | 5.5 inches | 5.9 in | 5.5 inches |
| Width | 5.91 inches | 5.91 inches | 6.3 inches | 3.39 in | 6.3 inches |
| Depth | 5.51 inches | 5.51 inches | 5.4 inches | 5.51 in | 5.8 inches |
| Weight | 6.6 lbs | 5 lbs | 4.2 lbs | 7.5 lbs | 8.5 lbs |
Reviews & Ratings
H
Hammad Raza
4
Easy installation and immediate redundancy.
C
Chris Evans
4
OEM kit with no compatibility issues.
A
Ali Nawaz
4
Improved system reliability.
B
Bjorn Eriksson
5
Well-designed kit.
Questions & Answers
What is the HP ML110 Gen9 RPS Enablement Kit (SKU 784582-B21)?
The HP ML110 Gen9 RPS Enablement Kit (SKU 784582-B21) is an add-on module that enables redundant power supply support on HP ProLiant ML110 Gen9 servers, enhancing uptime and serviceability.
What does RPS stand for in the HP ML110 Gen9 RPS Enablement Kit?
RPS stands for Redundant Power Supply, a feature that ensures continuous operation by providing dual power input capability to a server.
Which servers are compatible with the HP ML110 Gen9 RPS Enablement Kit?
This kit is compatible exclusively with HP ProLiant ML110 Gen9 rack/tower servers that have the designated RPS backplane connector.
What components are included in SKU 784582-B21?
The kit includes the RPS enablement backplane assembly, power distribution harness, mounting hardware, and installation instructions.
Do I need additional cables or adapters to install the RPS Enablement Kit?
No extra cables or adapters are required; all necessary connectors and mounting hardware are supplied in the package.
How do I install the HP ML110 Gen9 RPS Enablement Kit?
Power down the server, remove the cover, attach the RPS backplane to the chassis, connect the harness to the mainboard, secure with provided screws, and replace the cover.
Is a firmware update required after installing the RPS Enablement Kit?
Yes. After installation, update your server’s BIOS and iLO firmware to the latest HP ProLiant Gen9 versions to enable full RPS functionality.
What are the main benefits of installing the RPS Enablement Kit?
Key benefits include power redundancy, improved uptime, load sharing between supplies, simplified serviceability, and seamless failover in case of PSU failure.
Can I hot-swap power supplies once the RPS kit is installed?
Yes. The RPS enablement allows you to replace a failed or degraded power supply without powering down the server.
What power supply models are supported with the RPS Enablement Kit?
Supported power supplies include the HP 500W Flex Slot Platinum/Flex Slot Titanium models designed for ProLiant Gen9 servers.
Are third-party power supplies compatible with this RPS kit?
No. Only genuine HP Flex Slot power supplies listed for Gen9 servers are supported to maintain warranty and functional integrity.
What are the technical specifications of the RPS Enablement Kit?
Specifications include a backplane with dual power input paths, operating temperature 10–35°C, humidity tolerance 20–80% non-condensing, and support for 100–240V AC.
How do I troubleshoot installation or compatibility issues?
Verify correct kit orientation, ensure firmware is updated, confirm power supply compatibility, reseat all connectors, and consult the HP ProLiant ML110 Gen9 maintenance guide.
What warranty coverage is provided with SKU 784582-B21?
The RPS Enablement Kit carries a one-year HP limited warranty covering defects in materials and workmanship when used with supported HP servers.
Where can I purchase the HP ML110 Gen9 RPS Enablement Kit?
You can buy SKU 784582-B21 through authorized HP resellers, the HPE Parts Store online, or via your contracted procurement channel.
How do I contact HP support for the RPS Enablement Kit?
Visit the HPE support website, enter SKU 784582-B21 in the parts search, and use the provided phone or chat options to reach an HP-certified technician.