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2400W PSU handled extreme loads easily.
588603-B21
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HPE 2400W Plat Ht Plg Pwr Supply Kit
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588603-B21
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- HPE 2400W Plat Ht Plg Pwr Supply Kit
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588603-B21 Overview
588603-B21 is an 850W power supply designed with a modular layout and an ATX form factor, boasting an 80 PLUS Gold certification for optimized power efficiency. With an input voltage of 100–240V and active PFC, this unit features a 120mm fan with a fluid dynamic bearing, providing reliable cooling and reduced noise levels even under load. It includes robust protections such as OCP, OVP, UVP, SCP, and OTP to ensure system safety, along with high-quality sleeved cables that guarantee excellent build quality.
588603-B21 serves as a high-performance power solution ideally suited for gaming and workstation environments. It comes equipped with a complete set of connectors including one ATX 24-pin, one EPS 4+4 pin, two PCIe (6+2) connectors, six SATA power connectors, and three Molex connectors, all designed to provide stable and efficient power delivery for modern computing systems. Its zero RPM mode helps maintain low noise levels while the overall design targets durability and reliable operation in demanding scenarios.
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588603-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming / Workstation
- 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
- 90%
- 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
- 3
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- 588603-B21 High Performance Power Supply
- Height
- 5.5 inches
- Width
- 6.3 inches
- Depth
- 3.4 inches
- Weight
- 7 lbs
588603-B21 Use Case
High-Density Virtualization Cluster Power Resilience
In a global financial services data center running 200+ VMware ESXi instances on HPE ProLiant DL380 servers, the 588603-B21 HPE 2400W Platinum Hot-Plug Power Supply Kit delivers 94%+ efficiency and supports N+1 hot-swap redundancy. Benefit: Ensures continuous 24/7 application availability, cuts data center PUE by up to 10%, and enables zero-downtime PSU replacement for seamless maintenance.
High-Performance Computing Cluster Efficiency
At a scientific research institute powering GPU-accelerated modeling on HPE ProLiant BL460c Gen10 blades, the 588603-B21 2400W Platinum Hot-Plug Power Supply Kit provides stable, high-capacity power under sustained peak loads. Benefit: Guarantees reliable uptime for large-scale simulations, reduces cooling requirements by as much as 12%, and maximizes compute throughput for critical research workloads.
Edge Micro Data Center Reliability for Telecom Networks
In remote telco micro data centers using HPE Edgeline EL300 Converged Edge Systems, the 588603-B21 2400W Platinum Hot-Plug Power Supply Kit delivers robust, hot-swappable power with industry-leading efficiency. Benefit: Minimizes on-site service visits, provides built-in redundancy for 24/7 network availability, and lowers OPEX by leveraging 94%+ energy efficiency.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 588603-B21 |  JL086A |  J2P89A |  AF486A |  720480-B21 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 650W | 750W | 850W | 750W |
| Use Case | Gaming / Workstation | Gaming / Workstation / Server | Gaming / Workstation | Gaming / Workstation | Gaming / Workstation / Rack Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | 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 |
| Remote Monitoring | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 110–240V | 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 | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 90% | 92% | 92% | 92% | 94% |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / UVP / SCP | OCP, OVP, UVP, SCP, OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 2 | 4 |
| SATA Power Connectors | 6 | 4 | 6 | 6 | 8 |
| Molex Connectors | 3 | 2 | 3 | 2 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 100,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 588603-B21 High Performance Power Supply | JL086A High-Efficiency Modular ATX Power Supply | J2P89A PowerPro 750 | AF486A | 720480-B21 Power Supply |
| Height | 5.5 inches | 5 inches | 5.5 inches | 4.5 inches | 5.5 inches |
| Width | 6.3 inches | 6 inches | 6.3 inches | 5.9 inches | 6.3 inches |
| Depth | 3.4 inches | 7 inches | 5.0 inches | 10.4 inches | 7.1 inches |
| Weight | 7 lbs | 8 lbs | 4.8 lbs | 4.2 lbs | 11 lbs |
Reviews & Ratings
A
Adeel Hussain
5
Hot-plug design reduced maintenance time.
I
Ivan Petrov
5
OEM quality with excellent efficiency.
F
Faisal Mehmood
5
Reliable for dense servers.
C
Carlos Jimenez
4
Very powerful unit.
Questions & Answers
What is the HPE 2400W Platinum Hot-Plug Power Supply Kit (SKU 588603-B21)?
The HPE 2400W Platinum Hot-Plug Power Supply Kit (588603-B21) is a high-efficiency, redundant power module designed to deliver up to 2400 watts for HPE blade enclosures and rack servers.
Which HPE servers and enclosures are compatible with the 2400W Platinum power supply?
This power supply is compatible with HPE BladeSystem c7000 and c3000 enclosures, and select ProLiant rack servers that support 2400W Platinum modules.
What efficiency rating does the HPE 2400W Platinum power supply achieve?
The HPE 2400W Platinum power supply meets 94% average efficiency under typical load, complying with 80 PLUS Platinum certification.
Is the HPE 2400W Platinum power supply hot-pluggable and redundant?
Yes. It supports hot-swap installation and can be configured in redundant pairs to ensure uninterrupted power delivery.
How do I install the HPE 2400W Platinum Hot-Plug Power Supply Kit?
To install, power down the server bay if not redundant, slide the module into the PSU bay until it clicks, and reconnect AC power. For redundant setups, no downtime is required.
What input voltage range does this power supply support?
The module accepts 100–240 VAC at 50/60 Hz, allowing global deployment without manual voltage switching.
Does the HPE 2400W Platinum power supply support power monitoring?
Yes. It integrates with HPE iLO for real-time power consumption and environmental monitoring through the HPE OneView console.
What are the dimensions and weight of the 2400W Platinum power supply?
The unit measures 3.83 x 5.80 x 12.62 inches (H x W x D) and weighs approximately 7.5 pounds.
What certification and safety standards does the power supply meet?
It is 80 PLUS Platinum certified and UL, CE, FCC, and RoHS compliant for global safety and environmental standards.
What warranty does HPE provide for the 2400W Platinum power supply?
HPE backs this power supply with a three-year limited warranty that covers defects in materials and workmanship.
Can using the 2400W Platinum power supply reduce data center energy costs?
Yes. Its high-efficiency design lowers AC-to-DC conversion losses, reducing overall power consumption and cooling requirements.
Are LED status indicators available on the power supply?
Yes. The module features tri-color LEDs that display power status, fault conditions, and presence in the enclosure.
Is the HPE 2400W Platinum power supply backward compatible with earlier HPE server models?
It is backward compatible with any HPE blade enclosure or server model that supports 2400W Platinum hot-plug modules.
What type of AC input connector does this power supply use?
The unit uses a standard C19 IEC connector for reliable, high-current AC input connections.
How does this power supply improve system uptime?
Redundant hot-swap capability ensures that if one module fails, the secondary unit maintains power without interrupting operations.
Where can I purchase the genuine HPE 2400W Platinum Power Supply Kit?
You can buy genuine kits through authorized HPE resellers, the HPE online store, or certified channel partners to ensure warranty and support.