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720620-B21
HPE 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit
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720620-B21
- Description:
- HPE 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit
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720620-B21 Overview
720620-B21 is a 750W power supply that features a semi-modular design in an ATX form factor with a Gold 80 PLUS certification. It accepts an input voltage of 100–240V and uses active PFC to optimize efficiency, while its 120mm Fluid Dynamic fan with Zero RPM mode ensures effective cooling and low noise levels even under heavy loads.
This unit offers comprehensive protection with OCP, OVP, UVP, SCP, and OTP safeguards. It comes equipped with a 24-pin ATX connector, a 4+4 pin EPS connector for the CPU, two PCIe (6+2) connectors for graphic cards, six SATA power connectors, and two Molex connectors, all integrated with high-quality sleeved cables. Designed for high-performance gaming rigs and professional workstations, it delivers a reliable and efficient power solution with a 92% efficiency rating.
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720620-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 750W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Semi-Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Multi Rail
- Certifications
- 80 PLUS
- 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
- 92%
- 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
- 720620-B21 High-Efficiency Semi-Modular ATX Power Supply
- Height
- 3.4 inches
- Width
- 5.9 inches
- Depth
- 5.5 inches
- Weight
- 5 lbs
720620-B21 Use Case
Maximizing Data Center Efficiency in Enterprise Virtualized Environments
In large-scale VMware or Hyper-V deployments, IT teams install the HPE 720620-B21 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit to consolidate power infrastructure across multiple ProLiant Gen10+/Gen11 servers. By leveraging hot-swappable redundancy and Platinum Plus efficiency (>94%), organizations reduce PUE, lower cooling and electricity expenses by up to 20%, and maintain seamless VM migrations during maintenance windows—delivering higher virtualization density and predictable operational costs.
Ensuring 24/7 Uptime in High-Frequency Trading Systems
Financial firms power mission-critical trading servers with the HPE 720620-B21 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit to achieve ultra-low latency and fail-over protection. The kit’s hot-plug capability enables on-the-fly PSU replacements without interrupting live data feeds, while Platinum Plus efficiency minimizes thermal stress and power jitter. This results in sub-microsecond transaction reliability, reduced hardware failure risk, and compliance with stringent SLA and FINRA requirements.
Optimizing Edge Power Resilience for Telecom Infrastructure
Telecom operators deploy the HPE 720620-B21 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit in remote 5G base station servers to guarantee continuous service delivery. The high-efficiency (94%+) PSU reduces generator fuel usage and grid draw, while hot-swap redundancy ensures technicians can replace failed modules on site without downtime. The outcome is improved network uptime (99.999%), lower operational expenses, and simplified field maintenance in challenging environments.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 720620-B21 |  J2R09A |  720482-B21 |  798099-B21 |  AF460A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 650W | 750W | 750W | 450W |
| Use Case | Gaming | Gaming / Workstation / Server | Gaming / Workstation / Enterprise Server | Enterprise Server / Workstation / Gaming | General Use |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Semi-Modular | Modular | Modular | Non-Modular | Non-Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Bronze |
| Rail Configuration | Multi Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS | 80 PLUS / CE / FCC / UL / CB / RoHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | No | N/A | 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 | 120mm | 120mm | 120mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Ball | Sleeve |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 94% | 92% | 94% | 85% |
| Protections | OCP/OVP/UVP/SCP/OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 3 | 1 |
| SATA Power Connectors | 6 | 6 | 4 | 6 | 4 |
| Molex Connectors | 2 | 4 | 2 | 2 | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Flat | Flat |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 720620-B21 High-Efficiency Semi-Modular ATX Power Supply | J2R09A Ultra Performance PSU | 720482-B21 High Performance Modular Power Supply | 798099-B21 750W ATX Power Supply | AF460A 450W ATX Power Supply |
| Height | 3.4 inches | 5 inches | 5.5 inches | 3.4 inches | 5.5 inches |
| Width | 5.9 inches | 5.9 inches | 6.3 inches | 5.5 inches | 8.6 inches |
| Depth | 5.5 inches | 6.3 inches | 3.1 inches | 5.9 inches | 5.9 inches |
| Weight | 5 lbs | 6.5 lbs | 4.2 lbs | 6.5 lbs | 6.5 lbs |
Reviews & Ratings
M
Mehak Iqbal
4
Hot plug feature made replacement easy.
V
Victor Allen
5
High efficiency PSU reduced energy costs.
Z
Zubair Choudhry
3
OEM power supply worked flawlessly.
H
Helen Brooks
4
Very reliable enterprise PSU.
Questions & Answers
What is the HPE 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit (SKU: 720620-B21)?
The HPE 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit (SKU: 720620-B21) is a high-efficiency, hot-swappable power module designed for HPE BladeSystem and Synergy servers, delivering reliable 1400 W output with Platinum Plus efficiency.
Which HPE servers are compatible with the 720620-B21 power supply kit?
The 720620-B21 is compatible with HPE BladeSystem c7000/c3000 enclosures and HPE Synergy frames that support Flex Slot power supplies, as specified in the HPE server compatibility matrix.
What does Platinum Plus efficiency certification mean?
Platinum Plus efficiency certification guarantees up to 94% energy conversion at typical loads, reducing power losses and lowering data center electricity costs.
Can I hot-swap the HPE 1400W Flex Slot power supply during operation?
Yes, the 720620-B21 module supports hot plugging, allowing you to replace or install the power supply without shutting down the server or affecting workloads.