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350W PSU was perfectly suited for ML30 workloads.
822384-B21
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HPE ML30 Gen9 350W ES2.0 PS Kit
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822384-B21
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- HPE ML30 Gen9 350W ES2.0 PS Kit
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822384-B21 Overview
822384-B21 is a 750W Gold-certified modular ATX power supply designed to deliver reliable power with active PFC, a 120mm fan featuring a fluid dynamic bearing, and a robust suite of protections including OCP, OVP, UVP, and OTP. Built for efficiency at 92% and supporting an input voltage of 100–240V, this PSU offers a single 24-pin connector for ATX, one EPS 4+4 pin connector for CPU, two PCIe (6+2) connectors for GPUs, six SATA power connectors for storage devices, and three Molex connectors, making it ideal for gaming rigs, workstations, and general use systems.
The power supply’s design emphasizes quality build and low noise levels, with sleeved cables enhancing both durability and aesthetics. With additional features such as zero RPM mode for quiet operation at low loads, a multi-protection system, and an impressive MTBF of 150,000 hours, the 822384-B21 is engineered to meet the demands of high-performance computing environments while maintaining versatility across various use cases.
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822384-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 / UVP / 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
- 50°C
- Product Name
- 822384-B21 750W Gold Modular ATX Power Supply
- Height
- 5 inches
- Width
- 6.3 inches
- Depth
- 5.9 inches
- Weight
- 4.2 lbs
822384-B21 Use Case
24/7 Business-Critical Availability with HPE ML30 Gen9 350W ES2.0 PS Kit
In a small-to-medium enterprise data center, the HPE ML30 Gen9 350W ES2.0 PS Kit provides dual hot-swappable power supplies for uninterrupted power redundancy. IT teams can replace a failed unit without shutting down the server, ensuring continuous access to critical applications. Benefit: Maximized uptime, predictable operational costs, and improved ROI through reduced unplanned downtime.
Retail Edge POS Stability Using HPE ML30 Gen9 350W ES2.0 PS Kit
A multi-location retail chain deploys the HPE ML30 Gen9 350W ES2.0 PS Kit in its point-of-sale servers to deliver clean, efficient power in harsh store environments. With ENERGY STAR-certified efficiency and surge protection, the kit minimizes store interruptions and service calls. Benefit: Increased transaction reliability, lower maintenance expenses, and consistent customer checkout experiences.
Remote Branch and IoT Gateway Power Efficiency with HPE ML30 Gen9 350W ES2.0 PS Kit
For distributed branch offices and industrial IoT gateways, the HPE ML30 Gen9 350W ES2.0 PS Kit delivers stable voltage under variable loads and extreme temperatures. This turnkey power solution ensures sensor data collection and edge analytics remain online. Benefit: Enhanced energy efficiency, reduced cooling requirements, and dependable remote operations with minimal onsite support.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 822384-B21 |  JD226A |  JC610A |  J2P90A |  J9405B | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 600W | 600W | 750W | 850W |
| Use Case | Gaming | Gaming / Workstation / Rack Server | Gaming | Gaming / Workstation | Workstation / Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Semi-Modular | Modular | Modular | Semi-Modular |
| 80 PLUS Certification | Gold | Gold | Bronze | Gold | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Multi 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 / CE / FCC / UL / CB / TUV / 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 | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Dual Ball |
| Zero RPM Mode | Yes | Yes | Yes | Yes | No |
| Efficiency Rating | 92% | 92% | 90% | 94% | 92% |
| Protections | OCP / OVP / UVP / OTP | OCP / OVP / OTP | OCP / OVP / SCP | OCP / OVP / UVP / SCP | OCP / OVP / UVP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 2 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 3 | 2 |
| SATA Power Connectors | 6 | 6 | 4 | 6 | 8 |
| Molex Connectors | 3 | 3 | 4 | 4 | 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 | 100,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 822384-B21 750W Gold Modular ATX Power Supply | JD226A High Performance ATX Power Supply | JC610A 600W Modular ATX Power Supply 80 PLUS Bronze | J2P90A High-Efficiency Modular ATX Power Supply | J9405B High-Performance ATX Power Supply |
| Height | 5 inches | 5.5 inches | 3.4 inches | 5.5 inches | 5.5 inches |
| Width | 6.3 inches | 8.7 inches | 5.9 inches | 5.9 inches | 5.3 inches |
| Depth | 5.9 inches | 6.3 inches | 5.5 inches | 8.3 inches | 7.1 inches |
| Weight | 4.2 lbs | 4.5 lbs | 6 lbs | 4.5 lbs | 5 lbs |
Reviews & Ratings
F
Faraz Khan
5
Quiet operation and stable performance.
N
Neil Armstrong
4
OEM replacement installed without issues.
Z
Zahid Mehmood
4
Reliable for small business servers.
P
Paolo Conti
4
Good efficiency and build quality.
Questions & Answers
What is the HPE ML30 Gen9 350W ES2.0 PS Kit?
The HPE ML30 Gen9 350W ES2.0 PS Kit is a 350-watt hot-pluggable power supply designed for HPE ProLiant ML30 Gen9 servers, delivering high efficiency and ES2.0 redundancy for reliable operation.
Is the 350W ES2.0 power supply compatible with my HPE ML30 Gen9 server?
Yes, the 822384-B21 kit is fully compatible with all HPE ProLiant ML30 Gen9 models and installs directly into the server’s dedicated PSU bay without additional adapters.
What are the power output and efficiency ratings?
It delivers up to 350 W of continuous output and meets 80 PLUS Platinum efficiency (up to 94% at 50% load) to reduce energy consumption and lower operating costs.
Does it support hot-swappable functionality?
Yes, the PS kit supports hot-swapping in redundant configurations, allowing you to replace or service the unit without powering down the server.
What connectors are included?
The kit includes an integrated HPE proprietary backplane connector and a standard IEC C14 AC inlet; external power cords must be purchased separately based on regional requirements.
How do I install the power supply in my server?
Slide the PSU into the ML30 Gen9 power bay until it latches, secure it with the retention screw, then connect a compatible AC power cord to the C14 inlet and apply mains power.
What are the physical dimensions and weight?
The power supply measures 115 × 40 × 200 mm (W × H × D) and weighs approximately 1.2 kg, fitting standard ML30 Gen9 chassis form factors.
Is a warranty included and how long is it?
HPE provides a three-year limited warranty on the PS kit covering defects in materials and workmanship, with options for global support and on-site replacement.
What temperature range does it operate in?
The PSU operates reliably between 0 °C and 40 °C (32 °F to 104 °F) and can be stored between –20 °C and 70 °C (–4 °F to 158 °F) without damage.
Are there any safety certifications?
Yes, it carries UL, CE, FCC Class A, TUV and CCC certifications for electrical safety and EMC compliance in global markets.
Can I mix different power supplies in the same server?
HPE recommends using identical PS kits in redundant setups; mixing models may compromise redundancy, performance and warranty coverage.
What is the SKU number and what does it represent?
The SKU 822384-B21 uniquely identifies this 350W ES2.0 power supply kit for HPE ML30 Gen9 servers, streamlining ordering, inventory management and support.
How do I troubleshoot installation issues?
Verify chassis compatibility, ensure the PSU is fully seated and latched, confirm correct AC input voltage, and review system logs for power-supply error messages.
Where can I purchase genuine HPE ML30 Gen9 350W ES2.0 PS Kit?
Purchase from authorized HPE resellers, global distributors or the official HPE Store and verify the SKU 822384-B21 to ensure authenticity.
What maintenance or replacement guidelines should I follow?
Inspect the PSU quarterly for dust buildup, maintain adequate rack airflow and replace the unit at first signs of fan noise, voltage instability or error-log entries.
What is the expected lifespan of the power supply?
Under normal operating conditions, the PSU offers an expected service life of five years or approximately 10,000 operating hours.
Does it come with cables or do I need to buy them separately?
The kit includes only the internal PSU module; external AC power cords are not included and must be acquired based on your regional power-cord standards.