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Thomas Keller
5
HVDC PSU performed reliably in demanding infrastructure setups.
798342-B21
HPE 2650W HVDC Ht Plg PS Kit
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Name:
798342-B21
- Description:
- HPE 2650W HVDC Ht Plg PS Kit
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- Hpe
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798342-B21 Overview
798342-B21 is an 850W high-performance ATX power supply designed as a fully modular unit with a Gold 80 PLUS certification. It features an input voltage range of 100–240V, Active PFC, and a 120mm fan with a Fluid Dynamic bearing that ensures efficient cooling and reduced acoustic noise. The unit comes equipped with comprehensive protections including OCP, OVP, UVP, SCP, and OTP, guaranteeing reliable power delivery under a variety of demanding conditions.
Built with robust construction and premium sleeved cables, 798342-B21 caters to a wide range of use cases from high-end gaming rigs to professional workstations and servers. Its connector configuration includes a 24-pin ATX connector, dual 4+4 EPS connectors, four 6+2 PCIe connectors, eight SATA power connectors, and four Molex connectors, making it a versatile choice for modern system builds requiring both performance and reliability.
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798342-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming
- 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, OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 2
- PCIe (6+2) Connectors
- 4
- 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
- 798342-B21 High Performance Modular ATX Power Supply
- Height
- 5.5 inches
- Width
- 8.6 inches
- Depth
- 6.3 inches
- Weight
- 4.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 798342-B21 |  JD362A |  JG745A |  J9443A |  820792-B21 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 650W | 750W | 850W | 850W |
| Use Case | Gaming | Gaming | Gaming | Gaming / Workstation | Enterprise Server / Workstation / Gaming |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Semi-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 / TUV / RoHS | 80 PLUS / CE / FCC / UL / ROHS | UL | 80 PLUS / CE / FCC / UL |
| Remote Monitoring | No | No | No | No | No |
| 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 | 120mm | 135mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Dual Ball | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 92% | 92% | 92% |
| Protections | OCP, OVP, UVP, SCP, OTP | OCP, OVP, SCP | OCP / OVP / UVP / SCP / OTP | OCP/OVP/UVP/OPP | OCP / OVP / UVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 2 | 1 | 1 | 2 |
| PCIe (6+2) Connectors | 4 | 3 | 2 | 2 | 2 |
| SATA Power Connectors | 8 | 8 | 6 | 6 | 6 |
| Molex Connectors | 4 | 4 | 3 | 4 | 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 | 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 | 798342-B21 High Performance Modular ATX Power Supply | JD362A High Performance Gaming Power Supply | JG745A High-Efficiency Modular Power Supply | J9443A High-Performance ATX Power Supply | 820792-B21 850W Modular ATX Power Supply |
| Height | 5.5 inches | 5.5 inches | 5.5 inches | 5.5 inches | 5.5 inches |
| Width | 8.6 inches | 3.4 inches | 6.3 inches | 5.9 inches | 6.3 inches |
| Depth | 6.3 inches | 6.0 inches | 5.4 inches | 7.0 inches | 3.4 inches |
| Weight | 4.5 lbs | 9 lbs | 4.2 lbs | 6.2 lbs | 4.2 lbs |
Reviews & Ratings
H
Hamza Iqbal
4
Smooth installation and consistent output.
R
Ryan Cooper
5
OEM unit worked flawlessly from day one.
I
Imran Siddiq
3
Ideal for high-voltage DC environments.
M
Mikko Laine
4
Strong and stable power delivery.
Questions & Answers
What is the HPE 2650W HVDC Ht Plg PS Kit (SKU: 798342-B21)?
The HPE 2650W HVDC Hot-Plug Power Supply Kit (798342-B21) is a high-efficiency, 2650-watt DC server power module designed for HPE blade and rack servers, enabling nonstop operation through hot-swappable redundancy.
Which HPE server models are compatible with the 798342-B21 power supply?
The 798342-B21 kit is compatible with HPE c-Class blade enclosures (C7000, C3000) and select ProLiant DL server series that support high-voltage direct current (HVDC) power modules.
How do I install the HPE 2650W HVDC hot-plug power supply?
To install, align the module with the server’s power bay, slide it firmly until it clicks, and verify LED indicators turn green; no shutdown is required due to hot-plug capability.
What are the input voltage requirements for this HVDC power kit?
The 798342-B21 power supply requires an HVDC input between 380V and 400V, delivering up to 2650W to the server’s internal power distribution system.