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J2R04A
HPE R/T3000 G4 HV INTL UPS
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J2R04A is a 750W modular ATX power supply unit featuring 80 PLUS Gold certification and active PFC with an input voltage range of 110–240V. It comes equipped with a 120mm fluid dynamic bearing fan and is designed with robust build quality that incorporates essential protections such as OCP, OVP, and SCP.
This power supply offers comprehensive connectivity with one ATX 24-pin connector, one EPS (CPU) 4+4 pin connector, two PCIe (6+2) connectors, six SATA power connectors, and four Molex connectors. With an efficiency rating of 94%, sleeved cables for enhanced durability, and support for zero RPM mode, the J2R04A is ideally suited for gaming systems, workstations, and general use scenarios.
J2R04A price is is available on request. Get immediate quote.
Request bulk order quote for J2R04A for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
An international e-commerce enterprise deploys the J2R04A-HPE R/T3000 G4 HV INTL UPS in its colocation data center to ensure uninterrupted power to high-density server racks during peak sales events. The double-conversion online topology and scalable modular design deliver 99.999% uptime, eliminating revenue loss and preserving customer trust.
A large automotive manufacturing plant integrates the J2R04A-HPE R/T3000 G4 HV INTL UPS to safeguard PLCs, robotic controllers, and conveyor systems from voltage sags and power interruptions. Hot-swappable batteries and real-time monitoring prevent unplanned downtime, enhance production throughput, and extend equipment lifespan.
A tertiary care hospital leverages the J2R04A-HPE R/T3000 G4 HV INTL UPS to maintain power for EMR servers, PACS imaging devices, and life-safety systems during utility failures. Advanced diagnostics, predictive maintenance alerts, and modular scalability ensure seamless patient care, data integrity, and regulatory compliance.
To get the detailed certification, please go to the Compliance Center.
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 750W | 650W | 750W | 750W |
| Use Case | Gaming / Workstation / General Use | Gaming | Gaming / Workstation / Server | Gaming / Workstation | Gaming / Workstation / Enterprise Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Semi-Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / CB / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / CB / RoHS | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | No | No |
| Input Voltage | 110–240V | 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 | Magnetic Levitation | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 94% | 92% | 94% | 92% | 92% |
| Protections | OCP / OVP / SCP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP |
| 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 | 2 | 2 |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 4 |
| Molex Connectors | 4 | 4 | 4 | 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 | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 55°C | 50°C |
| Product Name | J2R04A High-Efficiency Modular Power Supply | J9829A High Performance 750W Modular ATX Power Supply | J2R09A Ultra Performance PSU | JD183A High-Performance ATX Power Supply | 720482-B21 High Performance Modular Power Supply |
| Height | 5.5 inches | 3.39 inches | 5 inches | 5 inches | 5.5 inches |
| Width | 7.0 inches | 5.91 inches | 5.9 inches | 6 inches | 6.3 inches |
| Depth | 6.0 inches | 5.51 inches | 6.3 inches | 7 inches | 3.1 inches |
| Weight | 4.2 lbs | 5 lbs | 6.5 lbs | 4 lbs | 4.2 lbs |
UPS provided clean power for critical equipment.
OEM unit integrated easily.
Reliable performance under load.
Good runtime and monitoring.
Solid backup power.
The HPE R/T3000 G4 HV UPS (SKU J2R04A) delivers 3 kVA/3 kW of high-voltage backup power, ensuring continuous operation for critical IT equipment.
Key features include double-conversion topology, high-efficiency mode, hot-swappable batteries, advanced LCD display, and scalable runtime with optional battery packs.
At full 3 kW load, the standard battery configuration provides up to 8 minutes of runtime; additional battery modules extend runtime proportionally.
Yes, the UPS supports hot-swappable battery modules for uninterrupted power during maintenance or battery replacement.