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Metered switched PDU provided accurate monitoring.
H8B55A
HPE Metered Switched 3Ph 14.4kVA/CS8365C 40A/208V Outlets (1...
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H8B55A
- Description:
- HPE Metered Switched 3Ph 14.4kVA/CS8365C 40A/208V Outlets (12) C13 (12) C19/Vertical NA/JP PDU
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H8B55A Overview
H8B55A is a high-performance power supply unit delivering 850W from a fully modular design ideal for gaming and workstation builds. It features an ATX form factor with an 80 PLUS Gold certification, accepts an input voltage range of 100–240V, and employs active PFC for improved power efficiency.
This PSU is equipped with a 135mm fan using a fluid dynamic bearing that supports zero RPM mode, and it provides a variety of protections including OCP, OVP, UVP, SCP, and OTP. Additionally, it offers one ATX 24-pin connector, one EPS (CPU) 4+4 pin, two PCIe (6+2) connectors, six SATA power connectors, four Molex connectors, and a fully sleeved cable design, ensuring reliable performance and low noise levels for both professional and gaming environments.
H8B55A price is is available on request. Get immediate quote.
Request bulk order quote for H8B55A for additional pricing. Browse the full Hpe Power Distribution Units series or explore all Hpe products.
H8B55A Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming / Workstation / General Use
- 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
- 135mm
- 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
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- H8B55A High-Performance Power Supply Unit
- Height
- 5.5 inches
- Width
- 8.6 inches
- Depth
- 6.3 inches
- Weight
- 5.0 lbs
H8B55A Use Case
Real-Time Remote Power Management in Enterprise Data Centers
In a multinational data center handling mission-critical workloads, IT operations deploy the H8B55A-HPE Metered Switched 3Ph 14.4kVA/CS8365C 40A/208V PDU (12 C13, 12 C19, Vertical, NA/JP) to gain per-outlet metering and remote on/off switching. By integrating SNMP-based alerts and web-GUI controls, administrators instantly power-cycle unresponsive servers and enforce load-shed policies. Outcome: 30% reduction in mean time to repair (MTTR), zero unplanned downtime, and tighter SLA compliance through proactive power event management.
High-Density Rack Power Capacity Planning for Cloud Service Providers
A leading cloud host uses the H8B55A-HPE Metered Switched PDU’s granular C13/C19 outlet monitoring to track instantaneous and cumulative kWh consumption at rack level. Engineers feed real-time load data into capacity-planning tools, avoiding branch-circuit overloads when deploying new VM clusters. Outcome: 20% higher rack utilization, elimination of costly circuit trips, and data-driven purchasing that lowers capital expenditure by forecasting PDU upgrades only when needed.
Phase-Balanced Power Distribution for HPC Clusters and Telecom Hubs
An HPC research facility and a telecom edge colocation implement the H8B55A-HPE Metered Switched 3-phase PDU to measure current draw on each phase and dynamically rebalance equipment across the three hot legs. Using per-phase alarms and remote switching, technicians correct imbalances before they trigger breaker faults. Outcome: enhanced electrical safety, extended equipment lifespan, compliance with local power regulations, and a 15% reduction in cooling costs through uniform phase loading.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 H8B55A |  P9R56A |  252663-D74 |  H5M59A |  H8B52A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 650W | 750W | 650W | 850W |
| Use Case | Gaming / Workstation / General Use | Gaming / Workstation | Gaming / Workstation / Server | Gaming / Workstation | Gaming / Workstation / Rack Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Semi-Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | Multi Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | N/A | No | N/A |
| 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 | 135mm | 120mm | 120mm | 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% | 94% | 92% | 94% |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 3 | 2 | 2 |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 6 |
| Molex Connectors | 4 | 3 | N/A | 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 | 100,000 hours | 120,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 40°C | 50°C | 50°C | 50°C |
| Product Name | H8B55A High-Performance Power Supply Unit | P9R56A High Performance Semi-Modular ATX Power Supply | 252663-D74 High Performance Modular ATX Power Supply | H5M59A 650W Gold Modular ATX Power Supply | H8B52A High Performance Modular ATX Power Supply |
| Height | 5.5 inches | 5.5 inches | 5.5 inches | 5.5 inches | 5 inches |
| Width | 8.6 inches | 8.6 inches | 8.6 inches | 6.3 inches | 6 inches |
| Depth | 6.3 inches | 6.3 inches | 6.3 inches | 11.8 inches | 5.5 inches |
| Weight | 5.0 lbs | 4.2 lbs | 5.2 lbs | 4.5 lbs | 4 lbs |
Reviews & Ratings
I
Irfan Bashir
4
Stable power delivery across racks.
R
Ralf Becker
5
Good outlet density.
A
Andrew Shaw
3
Enterprise-grade PDU.
J
Joao Correia
4
Reliable and well-built.
Questions & Answers
What is the HPE Metered Switched 3Ph 14.4 kVA/CS8365C PDU (SKU H8B55A)?
The HPE Metered Switched 3Ph 14.4 kVA/CS8365C PDU (SKU H8B55A) is a vertical rack-mount power distribution unit offering 40 A at 208 V, real-time metering, and remote outlet switching.
How many outlets does this PDU include and what types are they?
It features 24 total outlets: twelve IEC C13 and twelve IEC C19, delivering versatile power connections for servers and network devices.
What is the input voltage and phase configuration?
This PDU accepts a 208 V three-phase input at 40 A, supporting high-density power distribution in North American and Japanese data centers.
What does “metered switched” mean on this HPE PDU?
“Metered” provides real-time current and power usage readings, while “switched” allows remote on/off control of individual outlets for load management.