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503296-B21
HPE 460W Common Slot Gold Hot Plug Power Supply Kit
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503296-B21
- Description:
- HPE 460W Common Slot Gold Hot Plug Power Supply Kit
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- Hpe
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- List Price:
$231.67
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503296-B21 Overview
503296-B21 is a high-performance 850W Fully Modular ATX power supply designed for gaming and workstation environments. It features a Gold 80 PLUS certification, supports an input voltage of 100–240V with Active PFC, and is built with a robust construction for superior reliability. The unit comes equipped with a 120mm Fluid Dynamic fan that operates in Zero RPM mode at low loads to reduce noise levels while maintaining efficient cooling under heavy usage.
This power supply offers multiple integrated protections including OCP, OVP, UVP, and OTP, ensuring safe and stable power delivery. It provides a comprehensive suite of connectors: one ATX 24-Pin, two EPS (CPU) 4+4 Pin, four PCIe (6+2) connectors for high-power GPUs, six SATA power connectors, and two Molex connectors. Combined with sleeved cables for enhanced build quality and a 94% efficiency rating, 503296-B21 is ideally suited for demanding gaming setups and professional workstations.
503296-B21 price is $74.14, a 68% saving from the Hpe list price of $231.67. 503296-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 503296-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
503296-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- 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
- 94%
- Protections
- OCP / OVP / UVP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 2
- PCIe (6+2) Connectors
- 4
- 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
- 503296-B21 850W Fully Modular ATX Power Supply
- Height
- 5.5 inches
- Width
- 6 inches
- Depth
- 7 inches
- Weight
- 4.5 lbs
503296-B21 Use Case
Enterprise Data Center High-Availability Power Redundancy
In a mission-critical enterprise data center running HPE ProLiant DL380 Gen10 servers, IT operations require 24/7 availability for ERP and database workloads. By installing the 503296-B21 HPE 460W Common Slot Gold Hot Plug Power Supply Kit in redundant pairs, power modules can be swapped out without any system shutdown. Outcome: achieves 99.99% SLA uptime, simplifies serviceability, and eliminates unplanned downtime risk.
Virtualization Cluster Energy-Efficient Scalability
A financial services firm operates a high-density virtualization cluster on HPE Synergy with multiple blade servers supporting trading applications. Deploying the 503296-B21 HPE 460W Common Slot Gold Hot Plug Power Supply Kit leverages 80 PLUS Gold efficiency and a common slot design for dynamic power redistribution under peak loads. Outcome: cuts data center power costs by up to 10%, delivers seamless workload scaling, and maintains consistent performance.
Edge Computing Reliability in Remote Retail Sites
A retail chain deploys HPE ProLiant edge servers to power digital signage and POS systems in remote stores with limited IT staff. The 503296-B21 HPE 460W Common Slot Gold Hot Plug Power Supply Kit enables local teams to quickly replace faulty modules without specialized tools or downtime. Outcome: reduces mean time to repair (MTTR) by 50%, ensures uninterrupted customer experience, and streamlines field maintenance logistics.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 503296-B21 |  798099-B21 |  830272-B21 |  876929-B21 |  JL086A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 750W | 850W | 850W | 650W |
| Use Case | Gaming | Enterprise Server / Workstation / Gaming | Gaming / Workstation / General Use | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Non-Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Platinum | Gold |
| Rail Configuration | Multi Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | N/A | No | No | No |
| 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 | 135mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Ball | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 94% | 94% | 94% | 92% | 92% |
| Protections | OCP / OVP / UVP / OTP | OCP / OVP / SCP | OCP / OVP / UVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 1 | 2 | 2 | 1 |
| PCIe (6+2) Connectors | 4 | 3 | 3 | 3 | 2 |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 4 |
| Molex Connectors | 2 | 2 | 4 | 4 | 2 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Flat | Braided | 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 | 100,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 503296-B21 850W Fully Modular ATX Power Supply | 798099-B21 750W ATX Power Supply | 830272-B21 High Performance Gold Modular ATX Power Supply | 876929-B21 High-Performance Modular ATX Power Supply | JL086A High-Efficiency Modular ATX Power Supply |
| Height | 5.5 inches | 3.4 inches | 5.5 inches | 5 inches | 5 inches |
| Width | 6 inches | 5.5 inches | 6.3 inches | 6 inches | 6 inches |
| Depth | 7 inches | 5.9 inches | 5.9 inches | 5.5 inches | 7 inches |
| Weight | 4.5 lbs | 6.5 lbs | 6.6 lbs | 4 lbs | 8 lbs |
Reviews & Ratings
I
Iqra Noman
4
Hot plug replacement was smooth.
B
Bruno Keller
5
Efficient and quiet operation.
R
Rashid Latif
5
Good reliability so far.
A
Angela Brown
5
Solid server power option.
Questions & Answers
What is the HPE 503296-B21 power supply kit?
The HPE 503296-B21 is a 460 W Common Slot Gold hot-plug power supply kit engineered for HPE ProLiant servers, delivering high efficiency and redundant power.
Which HPE server models support the 503296-B21 power supply?
This kit is compatible with Gen8, Gen9, and select Gen10 HPE ProLiant DL, BL, and ML series servers, including DL360, DL380, BL460c, and ML350.
What does Gold efficiency rating mean for this power supply?
Gold efficiency indicates ≥ 90% energy conversion at typical loads, reducing heat output and lowering data-center operating costs.
Can I hot-swap the 503296-B21 power supply without downtime?
Yes. The 503296-B21 supports hot-plug removal and insertion, enabling replacement or upgrade without powering off the server.
How do I install the HPE 460W Common Slot Gold power supply kit?
To install, slide the unit into an available Common Slot bay in your server chassis until it clicks, then connect the AC power cord.
Does this power supply support N+1 redundancy?
Yes. When installed alongside other identical modules, the 503296-B21 enables N+1 redundancy for uninterrupted operation.
What AC input voltage range does the 503296-B21 accept?
It supports a universal AC input range of 100 – 240 VAC at 50/60 Hz, ensuring global compatibility.
What safety and regulatory certifications does this kit have?
The 503296-B21 is UL, CE, TUV, CB and FCC certified, complying with global safety and electromagnetic compatibility standards.
How do I verify the power supply status?
Status LEDs on the front panel display green for normal operation and amber for fault conditions, enabling quick diagnostics.
What operating temperatures are supported?
This power supply operates reliably in ambient temperatures from 10 °C to 35 °C, as specified by HPE environmental guidelines.
Is any additional cable required for installation?
No. The kit includes the internal hot-plug module; you only need to provide a standard IEC C13 power cord.
Does the kit include a warranty?
Yes. HPE provides a standard three-year limited warranty covering defects in materials and workmanship.
What does ‘Common Slot’ mean?
‘Common Slot’ refers to a standardized power-supply form factor and connector interface used across multiple HPE server families.
Can I mix different wattage modules in one server?
No. For proper load sharing and redundancy, use identical 460 W Gold modules like the 503296-B21 in all power bays.
How much power does the 503296-B21 deliver to the server?
It continuously supplies up to 460 watts of DC output power with peak efficiency at typical computing loads.
Is the 503296-B21 a genuine HPE part or a third-party replacement?
The 503296-B21 is an original HPE factory-tested power supply kit, backed by HPE support and service.