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Metered PDU delivered accurate load readings.
P9R55A
HPE G2 Mtrd 7.3kVA/60309 2U INTL PDU
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P9R55A
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- HPE G2 Mtrd 7.3kVA/60309 2U INTL PDU
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P9R55A Overview
P9R55A is a 550W power supply unit engineered with a semi-modular design in an ATX form factor, ensuring high energy efficiency with an 80 PLUS Gold certification. It accepts a wide input voltage range of 100–240V and utilizes Active PFC to deliver stable, reliable power essential for modern computing environments.
This unit features a 120mm fan with a fluid dynamic bearing that provides quiet operation and longevity, while its built-in protections—OCP, OVP, UVP, SCP, and OTP—safeguard against overcurrent, overvoltage, undervoltage, short circuits, and thermal overload. With a comprehensive array of connectors including 1 ATX 24-Pin, 1 EPS 4+4 Pin (CPU), 2 PCIe (6+2) connectors for GPU support, and 6 SATA power connectors, the P9R55A is ideally suited for gaming, workstation, and server applications.
P9R55A price is is available on request. Get immediate quote.
Request bulk order quote for P9R55A for additional pricing. Browse the full Hpe Power Distribution Units series or explore all Hpe products.
P9R55A Specifications
- Product Type
- Power Supply
- Wattage
- 550W
- Use Case
- Gaming / Workstation / Enterprise Server
- Form Factor
- ATX
- Modularity
- Semi-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, UVP, SCP, OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- 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
- P9R55A 550W Semi-Modular ATX Power Supply
- Height
- 5.5 inches
- Width
- 5.4 inches
- Depth
- 7.0 inches
- Weight
- 3.2 lbs
P9R55A Use Case
Enterprise Data Center Power Management with P9R55A-HPE G2 Metered PDU
A global financial services firm installed the P9R55A-HPE G2 Mtrd 7.3kVA/60309 2U INTL PDU in its high-density virtualization racks to enable real-time per-outlet current monitoring and automated threshold alerts. Integrated into the company’s DCIM system, it drives dynamic load balancing and proactive circuit capacity planning. Outcome: 99.99% SLA compliance, 25% improvement in rack power utilization and elimination of unplanned power outages.
Remote Edge Site Reliability using P9R55A-HPE G2 Metered PDU
A telecom operator deployed the P9R55A-HPE G2 Mtrd 7.3kVA/60309 2U INTL PDU at dozens of unmanned cell-site shelters, leveraging its IEC-60309 inputs and SNMP-enabled metering for 24/7 remote power visibility. Real-time load data and automated alerts drive immediate remote reboot or load shedding. Outcome: 40% reduction in on-site maintenance visits, 50% faster incident resolution and strengthened SLA performance.
Colocation Billing Optimization with P9R55A-HPE G2 Metered PDU
A national colocation provider uses the P9R55A-HPE G2 Mtrd 7.3kVA/60309 2U INTL PDU’s per-outlet power metering to allocate energy usage to individual tenant racks. Meter data feeds directly into the billing engine via API, automating invoicing and usage reporting. Outcome: 15% revenue uplift through precise consumption-based billing, enhanced customer transparency and reduced billing disputes.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 P9R55A |  H8B48A |  P9R61A |  P9S12A |  H5M57A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 550W | 600W | 650W | 600W | 850W |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming | Gaming / Workstation / Server | Gaming / Workstation | Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Semi-Modular | Semi-Modular | Semi-Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | N/A | Single Rail | Multi Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / UL / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / RoHS | 80 PLUS |
| 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 | 135mm | 120mm | 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% | 92% | 92% |
| Protections | OCP, OVP, UVP, SCP, OTP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP, OVP, SCP, OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 2 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 2 | 2 |
| SATA Power Connectors | 6 | 4 | 6 | 6 | 6 |
| Molex Connectors | 2 | 2 | 4 | 4 | 3 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Braided | 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 | 50°C | 40°C | 50°C | 50°C | 50°C |
| Product Name | P9R55A 550W Semi-Modular ATX Power Supply | H8B48A | P9R61A 650W Semi-Modular Gold ATX Power Supply | P9S12A 600W Gold Modular ATX PSU | H5M57A High Efficiency Modular ATX Power Supply |
| Height | 5.5 inches | 5.1 inches | 5.0 inches | 5.5 inches | 4.5 inches |
| Width | 5.4 inches | 8.6 inches | 6.3 inches | 7.0 inches | 6.3 inches |
| Depth | 7.0 inches | 7.1 inches | 3.4 inches | 5.5 inches | 5.9 inches |
| Weight | 3.2 lbs | 12 lbs | 6.0 lbs | 4.4 lbs | 3.2 lbs |
Reviews & Ratings
K
Kashif Mahmood
4
Reliable power distribution across racks.
R
Rainer Schulz
5
Good outlet spacing.
O
Oliver Grant
3
Solid international PDU.
F
Fernando Lopes
4
No power issues so far.
Questions & Answers
What is the HPE G2 Managed 7.3kVA/60309 2U International PDU (SKU: P9R55A)?
The SKU P9R55A is a rack-mountable, intelligent power distribution unit delivering 7.3 kVA of input power across international outlets with full remote monitoring and management capabilities.
What key features does the HPE G2 Managed 7.3 kVA PDU offer?
It offers per-outlet remote switching, SNMP and SSH management, configurable reboot sequencing, real-time load balancing, overcurrent protection and support for 208–230 V input.
How many outlets are available and what types are supported?
This PDU provides 24 C13 and 6 C19 IEC outlets, designed for international power cords and universal compatibility with rack servers and networking equipment.
What is the input voltage and power capacity of P9R55A?
It accepts a single-phase 208–230 VAC input and sustains up to 7.3 kVA (approximately 31 A) continuous power delivery.