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746708-B21
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HPE 1500W Common Slot 48VDC Hot Plug Power Supply Kit
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Name:
746708-B21
- Description:
- HPE 1500W Common Slot 48VDC Hot Plug Power Supply Kit
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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746708-B21 Overview
746708-B21 is an 850W modular ATX power supply that features 80 PLUS Gold certification and an input voltage range of 100–240V with Active PFC. It is equipped with a 140mm fan using a Fluid Dynamic bearing, and it offers comprehensive protections including OCP, OVP, and SCP to safeguard high-performance systems.
Designed for gaming, workstation, and enterprise server applications, the 746708-B21 provides a robust array of connectors: 1 ATX 24-pin, 2 EPS (CPU) 4+4 pin, 3 PCIe (6+2) connectors, and 8 SATA power connectors. With sleeved cables ensuring superior build quality and low noise levels during operation, this power supply delivers reliable performance for demanding computing tasks.
746708-B21 price is is available on request. Get immediate quote.
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746708-B21 Specifications
- Product Type
- Power Supply
- Brand
- Hpe
- Wattage
- 850W
- 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
- Remote Monitoring
- No
- Input Voltage
- 100–240V
- Hot-Swap Capable
- No
- PFC (Power Factor Correction)
- Active PFC
- Fan Size
- 140mm
- Fan Bearing Type
- Fluid Dynamic
- Zero RPM Mode
- Yes
- Efficiency Rating
- 92%
- Protections
- OCP / OVP / SCP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 2
- PCIe (6+2) Connectors
- 3
- SATA Power Connectors
- 8
- Molex Connectors
- 4
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- 746708-B21 Elite Series 850W Power Supply Unit
- Height
- 5.5 inches
- Width
- 5.9 inches
- Depth
- 3.5 inches
- Weight
- 6.5 lbs
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Product Comparison Table 
| 746708-B21 |  867584-B21 |  720478-B21 |  720482-B21 |  JD226A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 750W | 850W | 750W | 600W |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming | Gaming | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Rack Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Semi-Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Single Rail | Multi Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL | 80 PLUS / UL / CE / 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 | 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 | 140mm | 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 | 92% | 92% | 94% | 92% | 92% |
| Protections | OCP / OVP / SCP | OCP, OVP, SCP | OCP / OVP / UVP / SCP | OCP / OVP / SCP | OCP / OVP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 1 | 2 | 1 | 1 |
| PCIe (6+2) Connectors | 3 | 2 | 3 | 2 | 2 |
| SATA Power Connectors | 8 | 6 | 8 | 4 | 6 |
| Molex Connectors | 4 | 2 | 6 | 2 | 3 |
| 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 | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 746708-B21 Elite Series 850W Power Supply Unit | 867584-B21 High-Performance Gold Modular ATX Power Supply | 720478-B21 High Efficiency Modular Power Supply | 720482-B21 High Performance Modular Power Supply | JD226A High Performance ATX Power Supply |
| Height | 5.5 inches | 5.9 inches | 5.5 inches | 5.5 inches | 5.5 inches |
| Width | 5.9 inches | 3.4 inches | 6.3 inches | 6.3 inches | 8.7 inches |
| Depth | 3.5 inches | 5.5 inches | 4.5 inches | 3.1 inches | 6.3 inches |
| Weight | 6.5 lbs | 4.5 lbs | 4.2 lbs | 4.2 lbs | 4.5 lbs |
Compliance & Coverage
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
V
Victor Hammond
5
Power supply delivered stable output under heavy load.
S
Sana Ilyas
5
Hot plug design made replacement easy.
M
Marco Bellini
5
High efficiency PSU reduced power waste.
Z
Zeeshan Haider
5
OEM power supply worked flawlessly.
A
Angela Morris
5
Very dependable PSU.
Questions & Answers
What is the HPE 1500W Common Slot 48VDC Hot Plug Power Supply Kit (746708-B21)?
The HPE 1500W Common Slot 48VDC Hot Plug Power Supply Kit (746708-B21) is a high-efficiency, redundant power module designed for select HPE blade and rack servers, delivering 1.5 kW of 48VDC output in a hot-swappable form factor.
Which HPE servers support the 746708-B21 1500W 48VDC power supply?
The 746708-B21 power supply is compatible with HPE BladeSystem c7000/c3000 enclosures and select HPE ProLiant Gen8/Gen9 servers that feature a common slot architecture for 48VDC modules.
How do I install the HPE 1500W Common Slot 48VDC power supply?
To install, power down the enclosure, slide the 746708-B21 module into an empty common slot bay until it clicks, then reconnect DC input cables and power on—no tools required.
Can I hot-swap the HPE 1500W 48VDC power supply without downtime?
Yes, the 746708-B21 supports hot-plug replacement, allowing you to remove and insert the module without powering off the server when redundancy is enabled.
What are the key benefits of the HPE 1500W Common Slot 48VDC power supply?
Key benefits include 94% typical efficiency, modular hot-swap design, advanced power monitoring, and support for N+1 redundancy in HPE blade and rack infrastructures.
Does the 746708-B21 kit include all required cables and brackets?
The 746708-B21 module ships with the power supply unit only; DC distribution cables and mounting hardware must be ordered separately or sourced from your existing HPE enclosure.
What are the electrical specifications of the HPE 1500W 48VDC power supply?
The module delivers 1500W output at 48VDC, supports an input range of –40V to –72VDC, achieves 94% efficiency, and meets IEEE 802.3at Type 2 power delivery requirements.
How does the HPE 1500W 48VDC model improve energy efficiency?
With >94% operational efficiency, the 746708-B21 reduces power losses, lowers cooling requirements, and contributes to overall data center PUE improvements.
Is the HPE 1500W Common Slot 48VDC power supply redundancy capable?
Yes, the 746708-B21 supports N+1 and 2N redundancy configurations when installed in multiple common slot bays within the same enclosure.
What safety certifications does the HPE 1500W 48VDC power supply hold?
The 746708-B21 is UL 60950-1, CSA C22.2 No. 60950-1, IEC 60950-1, and EN 60950-1 certified, and complies with CE, FCC Class A, and RoHS directives.
How can I troubleshoot a power supply failure on the HPE 746708-B21?
Check fault LEDs on the module, verify DC input voltage, ensure proper seating, review iLO system logs for error codes, and swap with a known-good unit to isolate the issue.
Where can I purchase genuine HPE 746708-B21 power supplies?
Genuine HPE 746708-B21 units are available through authorized HPE resellers, HPE’s official e-commerce portal, and certified enterprise IT distributors.
What is the warranty period for the HPE 1500W Common Slot 48VDC power supply kit?
The 746708-B21 is backed by HPE’s standard three-year parts and labor warranty, with optional coverage extensions and HPE Foundation Care services.
Does the HPE 1500W 48VDC power supply kit work in high-density data center environments?
Yes, its compact common slot design, high efficiency, and advanced thermal management make the 746708-B21 ideal for high-density blade and rack deployments.
What monitoring features are available for the HPE 1500W 48VDC power supply?
The 746708-B21 offers real-time monitoring via HPE iLO, including voltage, current, power output, temperature, and predictive failure alerts through SNMP and Redfish APIs.
How do I recycle or dispose of the HPE 1500W 48VDC power supply responsibly?
Follow local e-waste regulations and HPE’s End-of-Use takeback program by contacting HPE Support for authorized recycling centers and disposal guidelines.