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720620-B21
HPE 1400W Flex Slot Platinum Plus Hot Plug Power Supply Kit
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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.
720620-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 720620-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
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.
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.
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.
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| 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 |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Power supply delivered consistent output under load.
Hot plug feature made replacement easy.
High efficiency PSU reduced energy costs.
OEM power supply worked flawlessly.
Very reliable enterprise PSU.
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.
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.
Platinum Plus efficiency certification guarantees up to 94% energy conversion at typical loads, reducing power losses and lowering data center electricity costs.
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.
The Flex Slot design enables a secure, tool-less installation into HPE enclosures, simplifies power module management, and optimizes space utilization in dense server environments.
You can deploy two or more 720620-B21 units in redundant configurations (N+1 or N+N) to ensure continuous power availability and minimize downtime.
The 720620-B21 includes over-voltage, over-current, over-temperature, and short-circuit protection to safeguard your servers and maintain operational integrity.
Slide the power supply into an available Flex Slot bay until it clicks, secure the latch, and connect the power cord. Power up the enclosure and verify status via the front-panel LEDs.
Front-panel LEDs display green for normal operation, amber for warnings, and red for critical failures, enabling quick visual health checks.
Yes, it accepts a wide AC input range from 100 V to 240 V at 50/60 Hz, making it suitable for international deployments without manual adjustments.
Higher efficiency means less heat generation, reducing cooling load and improving overall data center thermal management.
The 720620-B21 operates safely between 0 °C and 45 °C (32 °F to 113 °F), ensuring reliability in standard data center environments.
HPE offers a standard three-year warranty covering defects in materials and workmanship, with optional extended warranty and support services available.
Hot-plug capability allows you to replace or add power supplies without shutting down servers, maintaining continuous operation and reducing maintenance windows.
HPE recommends using identical capacity modules (all 1400 W) to ensure balanced power distribution and optimal redundancy.
Refer to the HPE server and enclosure Installation and Service Guide PDF, available for download on the HPE Support website under the product documentation section.
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