United States$5,000,000+
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H
Howard Linton
5
Hot plug kit installed smoothly and supported high wattage loads.
876929-B21
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2900-3400W HOT PLUG PLAT PS KIT PL-TN
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Name:
876929-B21
- Description:
- 2900-3400W HOT PLUG PLAT PS KIT PL-TN
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- Hpe
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876929-B21 Overview
876929-B21 is an 850W high-performance power supply designed to deliver reliable power for high-end systems. This unit features a modular design with an ATX form factor and is 80 PLUS Platinum certified, ensuring efficient power conversion across a wide input voltage range of 100–240V. With active PFC and a robust 135mm fluid dynamic fan, it incorporates multiple protections including OCP, OVP, SCP, and OTP, ensuring stability under demanding loads.
Built for rigorous applications in gaming, workstations, and servers, the 876929-B21 offers versatile connectivity with one ATX 24-pin connector, two EPS 4+4 pin connectors, three PCIe (6+2) connectors, six SATA power connectors, and four Molex connectors. Its sleeved cables, low-noise operation in zero RPM mode, and a high MTBF of 150,000 hours make it a reliable choice for enthusiasts and professionals alike.
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876929-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 850W
- Use Case
- Gaming / Workstation / Enterprise Server
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Platinum
- 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
- 135mm
- 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
- 2
- PCIe (6+2) Connectors
- 3
- SATA Power Connectors
- 6
- 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
- 876929-B21 High-Performance Modular ATX Power Supply
- Height
- 5 inches
- Width
- 6 inches
- Depth
- 5.5 inches
- Weight
- 4 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 876929-B21 |  656362-B21 |  753618-B21 |  830272-B21 |  J2P86A | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 850W | 850W | 750W | 850W | 850W |
| Use Case | Gaming / Workstation / Enterprise Server | Enterprise Server / Workstation / Gaming | Gaming / Workstation / Server | Gaming / Workstation / General Use | Gaming / Workstation |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Platinum | Gold | Gold | Gold | Platinum |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS |
| Remote Monitoring | No | No | N/A | 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 | 135mm | 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% | 94% | 92% | 94% | 96% |
| Protections | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP / OVP / UVP / SCP | OCP / OVP / UVP / SCP / OTP / OPP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 2 | 2 | 1 | 2 | 1 |
| PCIe (6+2) Connectors | 3 | 3 | 2 | 3 | 2 |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 6 |
| Molex Connectors | 4 | 4 | N/A | 4 | 4 |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Braided | 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 | 876929-B21 High-Performance Modular ATX Power Supply | 656362-B21 High Performance Modular Power Supply | 753618-B21 | 830272-B21 High Performance Gold Modular ATX Power Supply | J2P86A Ultra Modular Platinum ATX PSU |
| Height | 5 inches | 5 inches | 5.5 inches | 5.5 inches | 5.1 inches |
| Width | 6 inches | 6 inches | 6.3 inches | 6.3 inches | 5.9 inches |
| Depth | 5.5 inches | 3 inches | 5.4 inches | 5.9 inches | 8.1 inches |
| Weight | 4 lbs | 5 lbs | 4 lbs | 6.6 lbs | 7.5 lbs |
Reviews & Ratings
Z
Zubair Ilyas
4
No downtime during replacement which was critical for us.
P
Patrick Rourke
4
Good airflow and stable power under stress.
T
Tomas Varga
4
Met expectations for enterprise power redundancy.
S
Sean Whitmore
4
Worked as specified in our data center.
Questions & Answers
What is the 2900-3400W Hot Plug Plat PS Kit PL-TN (SKU 876929-B21)?
The 2900-3400W Hot Plug Plat PS Kit PL-TN (SKU 876929-B21) is a high-efficiency, pluggable power supply module designed for enterprise server systems that require up to 3400 watts of redundant AC power.
Which server models are compatible with SKU 876929-B21?
SKU 876929-B21 is compatible with leading enterprise rack servers in the PL-TN series, including Dell EMC PowerEdge R740xd, R940 and similar dual-rail architectures supporting 2900–3400W power modules.
How do I install the hot plug power supply kit?
To install, slide the power supply into the chassis bay until the latch clicks, connect the AC input cable, and verify the LED status indicator turns green for successful insertion.
Can I replace the PSU without shutting down my server?
Yes. The 876929-B21 is hot-swappable, allowing you to replace or upgrade the power module without powering down or interrupting server operations.
What are the electrical specifications of the 2900-3400W PSU kit?
The kit delivers 2900–3400W of AC output at 100–240VAC, 50/60Hz, with a power factor >0.99 and up to 94% efficiency under typical loads.
Does the PL-TN power supply support redundancy?
Yes. It supports N+1 and 2+2 redundancy configurations, ensuring continuous operation even if one module fails.
What are the physical dimensions and weight of the kit?
The module measures 3.5” x 9.2” x 1.6” (H x D x W) and weighs approximately 4.2 pounds, fitting standard 1U/2U server bays.
What certifications does SKU 876929-B21 hold?
This power supply is UL, CE, FCC, CCC and RoHS certified, meeting global safety and environmental regulations for data center equipment.
What is the expected MTBF for this power supply?
The Mean Time Between Failures (MTBF) is rated at 200,000 hours at 25°C ambient temperature in a controlled data center environment.
Are AC input cables included with the power supply kit?
The kit includes one 1.8-meter IEC C13 to C14 power cable; additional cables must be purchased separately based on rack configuration.
What is the warranty period for SKU 876929-B21?
This power supply kit comes with a standard three-year limited warranty covering defects in materials and workmanship.
Is the 876929-B21 an original OEM part or a third-party replacement?
SKU 876929-B21 is an original OEM replacement module engineered to the manufacturer’s specifications for full compatibility and performance.
How can I verify the PSU is functioning correctly?
Check the front bezel LED: solid green indicates normal operation, amber warns of degraded performance, and red signals a failure requiring immediate attention.
Where can I purchase the 2900-3400W Hot Plug Plat PS Kit?
You can order SKU 876929-B21 through authorized resellers, the manufacturer’s online store, or certified distribution partners.
What efficiency rating does this power supply achieve?
Under typical loads, it achieves up to 94% efficiency, reducing energy costs and minimizing heat output in high-density environments.
How do I troubleshoot an installation or power failure?
Ensure proper seating and cable connection, verify AC input voltage, inspect LED status, and consult the server’s system event log or support documentation for error codes.