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720479-B21
- Description:
- HPE 800W Flex Slot Platinum Hot Plug Power Supply Kit:ProLiant Accy - Power
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3 Year Extended Warranty
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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
720479-B21 Overview
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.
What is the price of 720479-B21?
Pricing for 720479-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 720479-B21.
Explore more options from Power Supplies or explore other Hpe products.
720479-B21 Specifications
| Product Type | Power Supply |
| Wattage | 750W |
| Use Case | Gaming / Workstation / Enterprise Server |
| Form Factor | ATX |
| Modularity | Modular |
| 80 PLUS Certification | Gold |
| Rail Configuration | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / RoHS |
| 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 |
| ATX 24-Pin Connectors | 1 |
| EPS (CPU) 4+4 Pin | 1 |
| PCIe (6+2) Connectors | 2 |
| SATA Power Connectors | 6 |
| Molex Connectors | 4 |
| Floppy Connector | No |
| Cable Type | Sleeved |
| RGB Lighting | No |
| MTBF (Mean Time Between Failures) | 150,000 hours |
| Operating Temperature | 55°C |
| Product Name | 720479-B21 High Performance ATX Power Supply |
| Height | 5.5 inches |
| Width | 5.9 inches |
| Depth | 6.3 inches |
| Weight | 4.6 lbs |
720479-B21 Use Case
Financial Services Data Center: 24/7 Power Availability
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.
Virtualized Enterprise Cloud Infrastructure Efficiency
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.
Edge Computing & Telco Base Station Reliability
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 80 PLUS Certification | Gold | Bronze | Gold | Gold | Platinum |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Flat | Sleeved | Sleeved | Sleeved |
| 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 |
| Depth | 6.3 inches | 5.9 inches | 5.0 inches | 6.3 inches | 5.5 inches |
| Efficiency Rating | 92% | 85% | 92% | 92% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 2 |
| Fan Bearing Type | Fluid Dynamic | Sleeve | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 135mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5.5 inches | 5.5 inches | 5.5 inches | 5.5 inches | 5 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 110–240V | 100–240V | 100–240V |
| Modularity | Modular | Non-Modular | Modular | Semi-Modular | Modular |
| Molex Connectors | 4 | 2 | 3 | 3 | 4 |
| MTBF (Mean Time Between Failures) | 150,000 hours | 100,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 55°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 2 | 1 | 2 | 2 | 3 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | 720479-B21 High Performance ATX Power Supply | AF460A 450W ATX Power Supply | J2P89A PowerPro 750 | JD226A High Performance ATX Power Supply | 876929-B21 High-Performance Modular ATX Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / UVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / OTP | OCP / OVP / SCP / OTP |
| Rail Configuration | Single 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 | 6 | 6 | 6 |
| Use Case | Gaming / Workstation / Enterprise Server | General Use | Gaming / Workstation | Gaming / Workstation / Rack Server | Gaming / Workstation / Enterprise Server |
| Wattage | 750W | 450W | 750W | 600W | 850W |
| Weight | 4.6 lbs | 6.5 lbs | 4.8 lbs | 4.5 lbs | 4 lbs |
| Width | 5.9 inches | 8.6 inches | 6.3 inches | 8.7 inches | 6 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the HPE 800W Flex Slot Platinum Hot Plug Power Supply Kit (SKU 720479-B21)?
A
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.
Q
Which HPE ProLiant servers are compatible with SKU 720479-B21?
A
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.
Q
How do I install the HPE 800W Flex Slot Platinum power supply?
A
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.
Q
Can I hot-swap the HPE 800W Flex Slot Platinum power supply while the server is running?
A
Yes. The hot-plug design allows you to replace or add the power supply without shutting down the server, preserving continuous operation.
Q
What efficiency rating does the Platinum power supply achieve?
A
This power supply is 94% efficient at typical load, meeting 80 PLUS Platinum standards for reduced energy consumption and lower heat output.
Q
How does hot-plug capability improve server availability?
A
Hot-plug support lets you swap or upgrade power supplies without downtime, maintaining full server availability and preventing service interruptions.
Q
What redundant power configurations are supported?
A
You can deploy power supplies in N+1 or N+N redundancy configurations to ensure continuous operation even if one unit fails.
Q
What input voltage range does SKU 720479-B21 support?
A
The power supply accepts 100–240 VAC at 50/60 Hz, automatically adjusting to global power standards for universal deployment.
Q
How can I monitor the power supply’s health and status?
A
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.
Q
What certifications and safety standards does this power supply meet?
A
This unit complies with UL, CE, FCC, RCM, and TUV safety standards and carries 80 PLUS Platinum, RoHS, and WEEE certifications.
Q
What warranty coverage is provided with SKU 720479-B21?
A
HPE offers a standard three-year limited warranty covering parts and labor, with optional HPE Care Pack service extensions for enhanced support.
Q
How do I ensure optimal performance and longevity?
A
Maintain proper airflow, keep ambient temperatures within 10–35 °C, use genuine HPE parts, and perform firmware updates via HPE iLO.
Q
What are the key benefits of Flex Slot architecture?
A
Flex Slot architecture standardizes power modules across multiple server platforms, reducing inventory complexity and simplifying upgrades.
Q
What cooling and acoustic levels can I expect?
A
Under typical load, the power supply operates at < 58 dBA and uses intelligent fan control to balance airflow and noise.
Q
Is SKU 720479-B21 compliant with trade and environmental regulations?
A
Yes. It is TAA-compliant, RoHS-certified, and designed to meet global environmental directives for responsible disposal and recycling.
