United States
Name:
D9N51A
- Description:
- HPE Metered 3Ph 8.6kVA/L15-30P 24A/208V Outlets (18) C13 (3) C19/Vertical NA/JP PDU
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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D9N51A Overview
D9N51A is a 650W power supply built for high-performance systems, offering a Modular design in an ATX form factor with a Gold 80 PLUS certification. It operates on an input voltage range of 100–240V with Active PFC, ensuring consistent and efficient power delivery to demanding setups.
D9N51A features a 120mm Fluid Dynamic bearing fan that supports Zero RPM Mode for quieter operation under low loads. It provides comprehensive system protections including OCP, OVP, SCP, and OTP, and is equipped with one ATX 24-pin connector, one EPS (CPU) 4+4 Pin connector, two PCIe (6+2) connectors, six SATA power connectors, and three Molex connectors. Ideal for gaming, workstation, and light server environments, this PSU excels in build quality and efficiency.
What is the price of D9N51A?
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D9N51A Specifications
| Product Type | Power Supply |
| Wattage | 650W |
| 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 | 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 | 3 |
| Floppy Connector | No |
| Cable Type | Sleeved |
| RGB Lighting | No |
| MTBF (Mean Time Between Failures) | 150,000 hours |
| Operating Temperature | 50°C |
| Product Name | D9N51A High Efficiency Gaming Power Supply |
| Height | 3.4 inches |
| Width | 5.9 inches |
| Depth | 5.9 inches |
| Weight | 6.5 lbs |
D9N51A Use Case
Real-Time Power Monitoring in High-Density Cloud Data Centers
In a Tier-3 cloud service provider facility in Tokyo, IT teams deploy the D9N51A-HPE Metered 3Ph 8.6 kVA/L15-30P 24 A/208 V PDU (18×C13, 3×C19) vertical unit per rack to achieve real-time rack-level metering and remote load balancing. Integrated analytics via HPE OneView deliver immediate alerts on power anomalies and optimize capacity planning across 200+ racks. Benefit: 30% reduction in unplanned downtime, optimized power utilization and improved SLA compliance.
Reliable Edge Computing Power Management for Retail Branches
A national retail chain implements the D9N51A-HPE Metered 3Ph 8.6 kVA PDU in remote store data closets to standardize 208 V distribution across 18 C13 and 3 C19 outlets. Vertical mounting and L15-30P input enable compact installation, while remote metering and alerting cut field service visits by 50%. Outcome: Lower OPEX, consistent device uptime and faster incident resolution across 300+ branch offices.
Precision Power Allocation in HPC Research Clusters
A leading research university deploys the D9N51A-HPE Metered 3Ph 8.6 kVA PDU to supply GPU-accelerated compute nodes with high-density 208 V power across 18 C13 and 3 C19 outlets. The vertical NA/JP model offers granular rack-level metering and overload protection, enabling precise power budgeting for each enclosure. Outcome: 15% improvement in energy efficiency, elimination of circuit overloads and streamlined capacity expansion planning.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Braided | Sleeved | Sleeved | Sleeved |
| Certifications | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS, CE, FCC, UL, RoHS | 80 PLUS / CE / FCC / UL / RoHS |
| Depth | 6.7 inches | 5.5 inches | 7.1 inches | 5.9 inches | 5.51 inches |
| Efficiency Rating | 90% | 92% | 92% | 94% | 92% |
| EPS (CPU) 4+4 Pin | 2 | 1 | 1 | 1 | 1 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Ball |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5.0 inches | 5 inches | 5.5 inches | 3.4 inches | 5.91 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Modularity | Modular | Semi-Modular | Modular | Modular | Modular |
| Molex Connectors | 4 | 4 | 4 | 3 | 2 |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 4 | 2 | 2 | 2 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | AF478A 750W Modular ATX Gold Rated Power Supply | AF535A High-Performance Power Supply | H5M62A 600W Modular ATX Power Supply | D9N51A High Efficiency Gaming Power Supply | H8B50A 650W Modular ATX Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP / OTP | OCP, OVP, SCP, OTP | OCP / OVP / SCP / OTP |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Multi Rail |
| Remote Monitoring | No | No | N/A | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 8 | 6 | 6 | 4 |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming | Gaming / Workstation / Enterprise Server | Gaming | Workstation / Gaming |
| Wattage | 750W | 550W | 600W | 650W | 650W |
| Weight | 4.5 lbs | 4 lbs | 4.5 lbs | 6.5 lbs | 4.0 lbs |
| Width | 8.6 inches | 6 inches | 5.9 inches | 5.9 inches | 3.39 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the power capacity of the HPE Metered 3Ph 8.6 kVA PDU (SKU D9N51A)?
A
The HPE Metered 3Ph PDU D9N51A delivers up to 8.6 kVA of power at 208 V and supports a maximum current of 24 A.
Q
How many and what types of outlets are on the HPE D9N51A PDU?
A
The PDU provides 21 outlets in total: 18 IEC C13 outlets for standard devices and 3 IEC C19 outlets for high-density equipment.
Q
What input connector does the HPE Metered 3-Phase PDU use?
A
It uses a fixed L15-30P 3-pole 30 A plug at 208 V for North American and Japanese power systems.
Q
Is the HPE D9N51A PDU designed for vertical rack mounting?
A
Yes. The PDU features a 0 U vertical form factor that mounts alongside your rack’s uprights for space-saving deployment.
Q
Does the D9N51A PDU support remote power monitoring?
A
No. This is a metered PDU offering local on-board LED readouts for real-time voltage, current and power measurements.
Q
Which regions is the HPE Metered 3Ph PDU certified for?
A
The D9N51A PDU is built to North American (NA) and Japanese (JP) electrical standards and is UL, cUL and CE certified.
Q
What are the physical dimensions and weight of the D9N51A PDU?
A
The unit measures approximately 78.2″ H × 1.7″ W × 4.0″ D and weighs around 15 lbs for easy vertical rack integration.
Q
Which safety and environmental standards does this PDU comply with?
A
It meets UL 62368‐1, IEC 60950-1, RoHS and WEEE directives for safety, emissions and eco-friendly manufacturing.
Q
What types of applications is the HPE 3Ph PDU suited for?
A
Ideal for data centers, network closets and telecom racks requiring reliable 3-phase power distribution with local metering.
Q
How do I install the HPE Metered 3Ph PDU in my server rack?
A
Mount the PDU vertically to your rack rails using the supplied brackets, connect the L15-30P plug to a 208 V 3-phase outlet and distribute power to your devices.
Q
Can I monitor individual outlet loads on this metered PDU?
A
No. The D9N51A provides aggregate PDU-level metering only; it does not offer per-outlet load monitoring or control.
Q
Is the power cord on the HPE D9N51A replaceable?
A
No. The input cord is fixed with an L15-30P connector; replacement requires returning the unit to an authorized service center.
Q
What warranty does HPE offer for the meter-only rack PDU?
A
HPE backs the D9N51A PDU with a standard 1-year limited warranty covering manufacturing defects and component failures.
Q
How does the PDU’s metering display help optimize power usage?
A
The built-in LED screen shows real-time voltage, current, power (kW) and power factor, enabling rapid load balancing and capacity planning.
Q
Can I parallel multiple HPE Metered 3Ph PDUs for higher capacity?
A
No. Paralleling three-phase PDUs is not supported. Use a single higher-capacity unit or consult HPE for custom power solutions.
Q
Does the HPE D9N51A support power capping or outlet switching?
A
No. This unit is metered only and does not provide remote outlet switching, sequencing or power capping features.
Q
What type of maintenance does the HPE Metered PDU require?
A
Routine inspection of connections, cleaning of vents and verification of meter accuracy are recommended to ensure optimal performance.
