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798342-B21
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- HPE 2650W HVDC Ht Plg PS Kit
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3 Year Extended Warranty
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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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.
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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
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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.
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Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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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.
What is the price of 798342-B21?
Pricing for 798342-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 798342-B21.
Explore more options from Power Supplies or explore other Hpe products.
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
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|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Sleeved | Flat | Sleeved |
| Certifications | UL | 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 | 7.09 inches | 6.3 inches | 11 inches | 7.1 inches | 11.0 inches |
| Efficiency Rating | 90% | 92% | 90% | 94% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 | 1 | 1 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Rifle | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 3.39 inches | 5.5 inches | 5 inches | 5.5 inches | 5.5 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Modularity | Semi-Modular | Modular | Modular | Semi-Modular | Modular |
| Molex Connectors | 3 | 4 | 4 | 4 | 2 |
| 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 |
| PCIe (6+2) Connectors | 2 | 4 | 2 | 2 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | C4KX-PWR-750AC-R/2 | 798342-B21 High Performance Modular ATX Power Supply | QFX3100-PWRAC-560A | CP-682X-PWR-NA= | 0B47481 High Performance Modular Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP, OVP, UVP, SCP, OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Multi Rail |
| Remote Monitoring | No | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 8 | 8 | 6 | 6 |
| Use Case | Gaming | Gaming | Gaming / Workstation / Enterprise Server | Gaming | Gaming |
| Wattage | 750W | 850W | 550W | 850W | 750W |
| Weight | 9.7 lbs | 4.5 lbs | 8 lbs | 6.2 lbs | 4.5 lbs |
| Width | 5.91 inches | 8.6 inches | 6 inches | 5.9 inches | 6.3 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the HPE 2650W HVDC Ht Plg PS Kit (SKU: 798342-B21)?
A
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.
Q
Which HPE server models are compatible with the 798342-B21 power supply?
A
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.
Q
How do I install the HPE 2650W HVDC hot-plug power supply?
A
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.
Q
What are the input voltage requirements for this HVDC power kit?
A
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.
Q
Can I mix HVDC and AC power supplies in the same HPE enclosure?
A
No, HPE enclosures must use uniform power supply types; mixing HVDC and AC modules in the same chassis is not supported.
Q
What redundancy options does the 2650W HVDC power supply support?
A
The 798342-B21 supports N+1 and N+N redundancy configurations, ensuring continuous server operation if one module fails or is removed.
Q
How do I verify the health status of the power supply?
A
Monitor the integrated LED display and use HPE iLO or Onboard Administrator for real-time power metrics, temperature, and fault alerts.
Q
What safety certifications does the HPE HVDC power kit have?
A
The 798342-B21 is UL, CE, and TUV certified, meeting global safety and electromagnetic compatibility (EMC) standards for data center environments.
Q
Does the power supply support Overload Protection?
A
Yes, the 2650W HVDC module features built-in electronic overload protection, automatically throttling or shutting down to prevent damage under excess load.
Q
What is the typical efficiency rating of the HPE 2650W HVDC power supply?
A
This HVDC power kit operates at up to 96% efficiency under typical data center loads, reducing energy waste and cooling costs.
Q
How long is the warranty for SKU 798342-B21?
A
HPE provides a three-year limited warranty on the 2650W HVDC hot-plug power supply, with optional extension available via HPE Care Pack services.
Q
How do I order replacement modules or spares?
A
Order genuine HPE spares through authorized HPE Partners or directly via the HPE Parts Store using SKU 798342-B21 for accurate procurement.
Q
Can I service the power supply while the server is running?
A
Yes, the hot-plug design allows safe removal and replacement of the 2650W HVDC module without interrupting server operations, provided redundancy is active.
Q
What are the dimensions and weight of the power kit?
A
The module measures 219 mm x 87 mm x 41 mm (8.6″ x 3.4″ x 1.6″) and weighs approximately 1.2 kg (2.6 lbs), fitting standard HPE power bays.
Q
How does HVDC power improve data center performance?
A
HVDC reduces conversion losses, improves overall system efficiency, and lowers cooling requirements, delivering cost savings and higher power density.
Q
What environmental conditions are required for safe operation?
A
Operate at 10–35°C (50–95°F), 5–85% relative humidity (non-condensing), and an altitude up to 3,000 meters to ensure compliance with HPE data center guidelines.
Q
Where can I find detailed documentation for the 798342-B21 power kit?
A
Access the HPE Support Center online to download the QuickSpecs, user guide, and installation instructions for the 2650W HVDC hot-plug power supply.
