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Six HVDC PSUs powered our racks consistently.
798349-B21
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HPE 6x 2650W HVDC Ht Plg FIO PS Kit
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798349-B21
- Description:
- HPE 6x 2650W HVDC Ht Plg FIO PS Kit
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798349-B21 Overview
798349-B21 is a high-performance 750W modular ATX power supply that features 80 PLUS Gold certification and is designed for use in demanding computing environments. It operates within a 100–240V input voltage range, employs Active PFC, and is equipped with a 120mm fluid dynamic fan that supports zero RPM mode, along with built-in protections including OCP, OVP, SCP, and OTP.
This power supply offers excellent build quality with a complete array of connectors such as 1 ATX 24-Pin, 1 EPS (CPU) 4+4 Pin, 2 PCIe (6+2) connectors, 6 SATA power connectors, and 2 Molex connectors, all paired with sleeved cables for improved durability. Its quiet operation and high efficiency of 92% make it an ideal choice for gaming rigs, workstations, and server environments.
798349-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 798349-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
798349-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 750W
- Use Case
- Gaming
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Multi 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 / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 2
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 120,000 hours
- Operating Temperature
- 50°C
- Product Name
- 798349-B21 High Performance Power Supply
- Height
- 5.5 inches
- Width
- 5.9 inches
- Depth
- 7.1 inches
- Weight
- 4.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 798349-B21 |  865434-B21 |  JL819A |  669777-B21 |  AF482A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 650W | 600W | 750W | 500W |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Semi-Modular | Modular | Semi-Modular | Semi-Modular |
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| Rail Configuration | Multi Rail | Single Rail | Multi 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 | N/A |
| 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 | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Ball | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 92% | 92% | 92% | 92% | 94% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / UVP / OTP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP / OTP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 2 |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 2 | 2 |
| SATA Power Connectors | 6 | 6 | 4 | 4 | 6 |
| Molex Connectors | 2 | 4 | 2 | 2 | 2 |
| 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) | 120,000 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 | 798349-B21 High Performance Power Supply | 865434-B21 Ultra Efficiency Semi-Modular ATX Power Supply | JL819A High-Performance Modular ATX Power Supply | 669777-B21 High Performance Semi-Modular ATX PSU | AF482A 500W Power Supply |
| Height | 5.5 inches | 5.1 inches | 5.5 inches | 5.5 inches | 5.5 inches |
| Width | 5.9 inches | 6.3 inches | 8.6 inches | 6.3 inches | 6.3 inches |
| Depth | 7.1 inches | 5.9 inches | 6.3 inches | 9.8 inches | 3.4 inches |
| Weight | 4.5 lbs | 4.5 lbs | 4.2 lbs | 4.8 lbs | 7.8 lbs |
Reviews & Ratings
S
Shoaib Malik
4
Hot-plug capability made maintenance easy.
A
Andrew Walsh
5
OEM bundle reduced deployment complexity.
N
Noman Ashraf
5
Stable and reliable under heavy loads.
H
Henrik Olsen
5
Excellent enterprise solution.
Questions & Answers
What is the HPE 798349-B21 6x 2650W HVDC Hot-Plug FIO Power Supply Kit?
The HPE 798349-B21 kit contains six 2650W high-voltage DC hot-plug power supplies (FIO) engineered for scalable, redundant power delivery in compatible HPE server environments.
Which HPE servers are compatible with SKU 798349-B21?
The 798349-B21 kit is compatible with selected HPE BladeSystem and HPE ProLiant Gen9/Gen10 server models; verify server documentation to confirm support.
What does HVDC mean in the context of this power supply kit?
HVDC stands for High-Voltage Direct Current, enabling efficient power conversion and reduced cabling for high-density data center racks.
What are the dimensions and weight of each 2650W power supply?
Each HPE 2650W power supply measures 44.5 mm × 94 mm × 406 mm and weighs approximately 2.2 kg, fitting standard hot-plug bays.
How do I install the HPE 798349-B21 power supply kit?
Slide each hot-plug module into an available power bay until the latch clicks, then connect the HVDC cabling according to the server’s installation guide.
Can I mix 798349-B21 HVDC supplies with legacy power modules?
No, HPE recommends using only matching HVDC power supplies per enclosure to ensure power balance and system stability.
What efficiency rating do these 2650W power supplies offer?
Each unit delivers up to 94% efficiency (80 PLUS Platinum equivalent) under typical load profiles, lowering energy consumption and heat output.
What is the MTBF for HPE 798349-B21 power supplies?
Each power supply has a mean time between failures (MTBF) exceeding 250,000 hours at full load and optimal ambient conditions.
Does the kit include power cables or accessories?
The 798349-B21 SKU ships with six hot-plug modules only; HVDC cabling and installation accessories are ordered separately as needed.
What operating temperature range is supported?
These power supplies operate reliably between 0 °C and 45 °C (32 °F to 113 °F) with active airflow in compliance with HPE thermal guidelines.
Are there status indicators on each power supply?
Yes, integrated LEDs display power status and fault conditions, enabling quick on-board diagnostics without server shutdown.
What does FIO stand for in this context?
FIO denotes Field Installable Option, indicating the power supply kit can be added or replaced by the customer without factory pre-installation.
What warranty coverage comes with SKU 798349-B21?
HPE provides a three-year limited warranty on all FIO power supplies, including parts replacement and support services.
How do I verify genuine HPE 798349-B21 parts?
Check the HPE part number label, hologram security seal, and purchase through authorized HPE channel partners to ensure authenticity.
Where can I purchase the HPE 798349-B21 power supply kit?
Order the 798349-B21 kit through HPE’s official sales channels, certified resellers, or authorized distributors for guaranteed support and warranty.