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789934-B21 |
Description: | HPE 2650W -48VDC Platinum HP PS Kit |
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789934-B21 Overview
789934-B21 is an 850W power supply that comes in a modular design with an ATX form factor and is 80 PLUS Gold certified. It operates on a 100–240V input, features active PFC, and is cooled by a 120mm fluid dynamic fan that supports zero RPM mode for enhanced efficiency and low noise.
This unit is built to protect your system with safeguards including OCP, OVP, SCP, and OTP, and it offers a comprehensive connectivity suite with a single ATX 24-pin connector, dual EPS (4+4) connectors for the CPU, three PCIe (6+2) connectors, ten SATA power connectors, and four Molex connectors. Its robust build quality makes it suitable for gaming, workstation, and server use cases.
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789934-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 | 94% |
Protections | OCP / OVP / SCP / OTP |
ATX 24-Pin Connectors | 1 |
EPS (CPU) 4+4 Pin | 2 |
PCIe (6+2) Connectors | 3 |
SATA Power Connectors | 10 |
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 | 789934-B21 850W Modular ATX Power Supply |
Height | 5.5 inches |
Width | 6.3 inches |
Depth | 3.5 inches |
Weight | 5.2 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







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