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720479-B21
HPE 800W Flex Slot Platinum Hot Plug Power Supply Kit:ProLia...
Federal agencies and Fortune 500 operations source through ORM Systems.
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Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
720479-B21 is a 750W high performance modular ATX power supply featuring Gold 80 PLUS certification and designed to operate with an input voltage of 100–240V. It comes equipped with active PFC, a 120mm fluid dynamic fan for efficient cooling, and a robust suite of protections including OCP, OVP, UVP, and SCP. The unit offers a comprehensive range of connectors, comprising one ATX 24-pin, one EPS (CPU) 4+4 pin, two PCIe (6+2) connectors, six SATA power connectors, and four Molex connectors.
Built with exceptional build quality and sleeved cables, this PSU delivers an impressive efficiency rating of 92% with low noise levels under load. Its design and performance make it an ideal choice for demanding use cases in gaming, workstations, and enterprise server environments.
720479-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 720479-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
In a global trading firm running latency-sensitive HPE ProLiant servers, the HPE 720479-B21 800W Flex Slot Platinum Hot Plug Power Supply delivers N+1 redundancy and hot-swap capability. Benefit: ensures uninterrupted market access, meets strict SLAs, and eliminates costly downtime.
For large VMware or Hyper-V clusters on HPE ProLiant hosts, the HPE 720479-B21 800W Platinum PSU provides 96%+ energy efficiency and hot-plug serviceability. Benefit: cuts power costs, lowers PUE, and enables non-disruptive maintenance to maximize virtualization performance.
In remote 5G edge and telco base-station deployments, the HPE 720479-B21 800W Flex Slot Power Supply offers compact, high-efficiency power delivery with hot-swap support. Benefit: simplifies field service, extends hardware lifespan, and guarantees network uptime under harsh conditions.
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| 720479-B21 |  JD226A |  876929-B21 |  AF460A |  J2P89A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 600W | 850W | 450W | 750W |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Rack Server | Gaming / Workstation / Enterprise Server | General Use | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Semi-Modular | Modular | Non-Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Platinum | Bronze | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / 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 | 110–240V |
| 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 | 135mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Sleeve | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 92% | 85% | 92% |
| Protections | OCP / OVP / UVP / SCP | OCP / OVP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 2 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 3 | 1 | 2 |
| SATA Power Connectors | 6 | 6 | 6 | 4 | 6 |
| Molex Connectors | 4 | 3 | 4 | 2 | 3 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Flat | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 100,000 hours | 150,000 hours |
| Operating Temperature | 55°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 720479-B21 High Performance ATX Power Supply | JD226A High Performance ATX Power Supply | 876929-B21 High-Performance Modular ATX Power Supply | AF460A 450W ATX Power Supply | J2P89A PowerPro 750 |
| Height | 5.5 inches | 5.5 inches | 5 inches | 5.5 inches | 5.5 inches |
| Width | 5.9 inches | 8.7 inches | 6 inches | 8.6 inches | 6.3 inches |
| Depth | 6.3 inches | 6.3 inches | 5.5 inches | 5.9 inches | 5.0 inches |
| Weight | 4.6 lbs | 4.5 lbs | 4 lbs | 6.5 lbs | 4.8 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.
800W PSU provided ample headroom for upgrades.
Easy hot swap installation.
Consistent power under load.
Excellent for high demand servers.
Dependable and efficient power supply.
The HPE 800W Flex Slot Platinum Hot Plug Power Supply Kit (SKU 720479-B21) delivers up to 800 W of 94% efficient, modular power for ProLiant servers, enabling hot-plug replacement and maximum uptime.
SKU 720479-B21 is compatible with HPE ProLiant Gen9 and Gen10 rack servers that support Flex Slot power supplies, including the DL360, DL380, and DL560 series.
Slide the power supply into an empty Flex Slot bay until it clicks, connect the AC power cord, and verify the LED turns green to confirm proper installation.
Yes. The hot-plug design allows you to replace or add the power supply without shutting down the server, preserving continuous operation.
This power supply is 94% efficient at typical load, meeting 80 PLUS Platinum standards for reduced energy consumption and lower heat output.
Hot-plug support lets you swap or upgrade power supplies without downtime, maintaining full server availability and preventing service interruptions.
You can deploy power supplies in N+1 or N+N redundancy configurations to ensure continuous operation even if one unit fails.
The power supply accepts 100–240 VAC at 50/60 Hz, automatically adjusting to global power standards for universal deployment.
Use HPE iLO (Integrated Lights-Out) or the server’s SPP (Service Pack for ProLiant) to view real-time power metrics, LED indicators, and event logs.
This unit complies with UL, CE, FCC, RCM, and TUV safety standards and carries 80 PLUS Platinum, RoHS, and WEEE certifications.
HPE offers a standard three-year limited warranty covering parts and labor, with optional HPE Care Pack service extensions for enhanced support.
Maintain proper airflow, keep ambient temperatures within 10–35 °C, use genuine HPE parts, and perform firmware updates via HPE iLO.
Flex Slot architecture standardizes power modules across multiple server platforms, reducing inventory complexity and simplifying upgrades.
Under typical load, the power supply operates at < 58 dBA and uses intelligent fan control to balance airflow and noise.
Yes. It is TAA-compliant, RoHS-certified, and designed to meet global environmental directives for responsible disposal and recycling.
United States
