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H5M55A
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- HPE BASIC 2.8KVA/L5-30P 24A/120V OUTLETS (18)
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3 Year Extended Warranty
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
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.
Service Boundaries & Exclusions
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.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
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.
TRUSTED, TRIED, PROVEN
H5M55A Overview
H5M55A is a 550W power supply engineered for high-performance gaming and workstation applications. It features a semi-modular design housed in an ATX form factor and boasts an 80 PLUS Gold certification for superior power efficiency. Operating on an input voltage of 100–240V with Active PFC, this unit incorporates a 120mm fan equipped with a rifle bearing to deliver robust cooling while keeping noise levels low. Key safety protections such as Over Current Protection (OCP), Over Voltage Protection (OVP), and Short Circuit Protection (SCP) are included to ensure system stability and longevity.
Built with high-quality components, the H5M55A offers a complete array of power connectors, including one ATX 24-pin, one EPS 4+4 pin for CPUs, two PCIe 6+2 pin for GPUs, and four SATA power connectors for peripheral devices. With a 92% efficiency rating and sleeved cables that enhance both aesthetics and durability, this power supply is ideally suited for demanding gaming rigs and professional workstations alike.
What is the price of H5M55A?
Pricing for H5M55A is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for H5M55A.
Explore more options from Power Distribution Units or explore other Hpe products.
H5M55A Specifications
| Product Type | Power Supply |
| Wattage | 550W |
| Use Case | Gaming / Workstation |
| Form Factor | ATX |
| Modularity | Semi-Modular |
| 80 PLUS Certification | Gold |
| Rail Configuration | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL |
| Remote Monitoring | No |
| Input Voltage | 100–240V |
| Hot-Swap Capable | No |
| PFC (Power Factor Correction) | Active PFC |
| Fan Size | 120mm |
| Fan Bearing Type | Rifle |
| Zero RPM Mode | Yes |
| Efficiency Rating | 92% |
| Protections | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 |
| EPS (CPU) 4+4 Pin | 1 |
| PCIe (6+2) Connectors | 2 |
| SATA Power Connectors | 4 |
| 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 | H5M55A 550W ATX Semi-Modular High-Efficiency Power Supply |
| Height | 3.5 inches |
| Width | 5.9 inches |
| Depth | 5.5 inches |
| Weight | 4.8 lbs |
H5M55A Use Case
High-Density Data Center Rack Power Distribution with H5M55A-HPE BASIC 2.8KVA PDU
In a mid-tier data center, IT operators deploy the H5M55A-HPE BASIC 2.8KVA/L5-30P 24A/120V PDU to power 18 high-density server nodes in a single rack. This PDU delivers stable, UL-rated power under full load, reduces rack-level downtime by 30%, and simplifies capacity planning with built-in load balancing.
Edge Computing Node Power Management in Remote Industrial Sites
A telecom provider installs the H5M55A-HPE BASIC PDU at remote cell towers and oil-and-gas pump stations to distribute 120V UPS-backed power across 18 critical edge devices. The L5-30P twist-lock inlet ensures secure connections in harsh environments, drives 99.9% device uptime, and streamlines maintenance with centralized outlet visibility.
Temporary Event and Emergency Site Power Supply
An event production company uses the portable H5M55A-HPE BASIC 2.8KVA PDU to supply 18 outlets for lighting, audio, and AV rigs via a single L5-30P feed. This solution meets NEC safety codes, cuts setup time in half, and delivers reliable 24A/120V power for outdoor concerts, trade shows, and emergency response operations.
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 | Sleeved | Braided | Sleeved | Braided |
| Certifications | 80 PLUS/CE/FCC/UL/RoHS | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL | 80 PLUS / CE / FCC / UL / RoHS |
| Depth | 7.0 inches | 5.9 inches | 5.5 inches | 5.5 inches | 6.3 inches |
| Efficiency Rating | 90% | 92% | 92% | 92% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 2 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Rifle | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 140mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5.5 inches | 5.5 inches | 5 inches | 3.5 inches | 5.5 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Modularity | Semi-Modular | Semi-Modular | Semi-Modular | Semi-Modular | Modular |
| Molex Connectors | 4 | 2 | 4 | 2 | 4 |
| MTBF (Mean Time Between Failures) | 150,000 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 | 2 | 2 | 2 | 2 | 4 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | AF531A Power Supply | AF519A 600W Semi-Modular ATX Power Supply, Gold Certified | AF535A High-Performance Power Supply | H5M55A 550W ATX Semi-Modular High-Efficiency Power Supply | AF901A Premium Modular ATX Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP/OVP/UVP/SCP/OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP | OCP, OVP, UVP, SCP, OTP |
| Rail Configuration | Multi Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Remote Monitoring | No | N/A | No | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 4 | 8 | 4 | 8 |
| Use Case | Gaming / Workstation / Server | Gaming / Workstation | Gaming | Gaming / Workstation | Gaming / Workstation / Rack Server |
| Wattage | 850W | 600W | 550W | 550W | 850W |
| Weight | 4.5 lbs | 4.5 lbs | 4 lbs | 4.8 lbs | 4.5 lbs |
| Width | 5.7 inches | 6.3 inches | 6 inches | 5.9 inches | 5.8 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the power capacity of the HPE Basic 2.8KVA UPS (H5M55A)?
A
The HPE Basic 2.8KVA UPS (H5M55A) delivers 2.8 kVA (2400 W) of backup power at 120 V output.
Q
How many outlets does the H5M55A UPS provide and what type are they?
A
The H5M55A includes eighteen NEMA 5-15R 120 V outlets for standard equipment connectivity.
Q
What input plug standard does the HPE Basic 2.8KVA UPS use?
A
The UPS accepts a NEMA L5-30P 30 A, 120 V locking input plug for secure power connection.
Q
What is the maximum load current rating of model H5M55A?
A
The H5M55A supports a maximum load current of 24 A at 120 V output.
Q
Can I install the HPE H5M55A UPS in a server rack?
A
Yes, the H5M55A is a 2U rack/tower convertible UPS designed for standard 19-inch racks.
Q
What runtime can I expect at 50% load on the HPE Basic 2.8KVA UPS?
A
At 50% load (1200 W), the H5M55A typically provides approximately 10–12 minutes of runtime.
Q
Does the H5M55A UPS include internal batteries?
A
Yes, the H5M55A features hot-swappable internal batteries for uninterrupted maintenance.
Q
Is network management supported on the HPE Basic 2.8KVA UPS?
A
The H5M55A has an optional network management card slot for SNMP and web-based monitoring.
Q
What are the physical dimensions and weight of the H5M55A UPS?
A
The UPS measures 3.5″ H × 17.2″ W × 18.9″ D and weighs approximately 45 lb (20.4 kg).
Q
Which safety certifications does the HPE Basic 2.8KVA UPS hold?
A
The H5M55A is UL-listed, CE-marked and RoHS-compliant for global safety and environmental standards.
Q
What warranty coverage comes with the HPE H5M55A UPS?
A
HPE provides a three-year limited warranty covering the UPS electronics and batteries.
Q
How do I replace batteries on the HPE Basic 2.8KVA UPS?
A
Batteries are front-accessible and hot-swappable—slide out the battery drawer and insert a replacement module.
Q
Does the H5M55A UPS offer automatic voltage regulation?
A
Yes, the UPS includes AVR to correct voltage sags and surges without using battery power.
Q
Which equipment environments is the HPE Basic 2.8KVA UPS ideal for?
A
It is optimized for small data centers, network closets, servers, telecom racks, and edge computing.
Q
Is surge protection included in the HPE Basic 2.8KVA UPS?
A
Yes, integrated surge suppression protects connected devices from spikes and electrical noise.
Q
How can I monitor the status of the H5M55A UPS?
A
Status is displayed on the front LCD panel, LEDs, audible alarms, or via an optional SNMP network card.
