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876929-B21
- Description:
- 2900-3400W HOT PLUG PLAT PS KIT PL-TN
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3 Year Extended Warranty
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
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For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
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.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
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.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
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.
What is the price of 876929-B21?
Pricing for 876929-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 876929-B21.
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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
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|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Platinum | Gold | Gold |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Sleeved |
| 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 / UL / RoHS |
| Depth | 7 inches | 6.3 inches | 5.5 inches | 6.0 inches | 5.8 inches |
| Efficiency Rating | 92% | 92% | 92% | 92% | 94% |
| EPS (CPU) 4+4 Pin | 2 | 2 | 2 | 1 | 2 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Fan Size | 120mm | 120mm | 135mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5 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 | Modular | Modular | Modular | Modular | Modular |
| Molex Connectors | 4 | 4 | 4 | 4 | 4 |
| MTBF (Mean Time Between Failures) | 150,000 hours | 100,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 55°C | 50°C |
| PCIe (6+2) Connectors | 3 | 2 | 3 | 2 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | AIR-PWR-D= | 733459-B21 High Performance ATX Power Supply | 876929-B21 High-Performance Modular ATX Power Supply | QC-PSU 850W Gold Modular ATX Power Supply | AIR-PWR-ST-LT-R3P |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP, OVP, UVP, SCP, OTP | OCP / OVP / UVP / SCP / OTP / OPP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP, OVP, UVP, SCP |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Multi Rail | Single Rail |
| Remote Monitoring | No | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 6 | 6 | 6 | 6 |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Server | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Rack Server | Gaming / Workstation / Enterprise Server |
| Wattage | 750W | 750W | 850W | 850W | 600W |
| Weight | 4 lbs | 4.2 lbs | 4 lbs | 4.5 lbs | 4.2 lbs |
| Width | 6 inches | 8.6 inches | 6 inches | 7.0 inches | 6.3 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the 2900-3400W Hot Plug Plat PS Kit PL-TN (SKU 876929-B21)?
A
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.
Q
Which server models are compatible with SKU 876929-B21?
A
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.
Q
How do I install the hot plug power supply kit?
A
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.
Q
Can I replace the PSU without shutting down my server?
A
Yes. The 876929-B21 is hot-swappable, allowing you to replace or upgrade the power module without powering down or interrupting server operations.
Q
What are the electrical specifications of the 2900-3400W PSU kit?
A
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.
Q
Does the PL-TN power supply support redundancy?
A
Yes. It supports N+1 and 2+2 redundancy configurations, ensuring continuous operation even if one module fails.
Q
What are the physical dimensions and weight of the kit?
A
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.
Q
What certifications does SKU 876929-B21 hold?
A
This power supply is UL, CE, FCC, CCC and RoHS certified, meeting global safety and environmental regulations for data center equipment.
Q
What is the expected MTBF for this power supply?
A
The Mean Time Between Failures (MTBF) is rated at 200,000 hours at 25°C ambient temperature in a controlled data center environment.
Q
Are AC input cables included with the power supply kit?
A
The kit includes one 1.8-meter IEC C13 to C14 power cable; additional cables must be purchased separately based on rack configuration.
Q
What is the warranty period for SKU 876929-B21?
A
This power supply kit comes with a standard three-year limited warranty covering defects in materials and workmanship.
Q
Is the 876929-B21 an original OEM part or a third-party replacement?
A
SKU 876929-B21 is an original OEM replacement module engineered to the manufacturer’s specifications for full compatibility and performance.
Q
How can I verify the PSU is functioning correctly?
A
Check the front bezel LED: solid green indicates normal operation, amber warns of degraded performance, and red signals a failure requiring immediate attention.
Q
Where can I purchase the 2900-3400W Hot Plug Plat PS Kit?
A
You can order SKU 876929-B21 through authorized resellers, the manufacturer’s online store, or certified distribution partners.
Q
What efficiency rating does this power supply achieve?
A
Under typical loads, it achieves up to 94% efficiency, reducing energy costs and minimizing heat output in high-density environments.
Q
How do I troubleshoot an installation or power failure?
A
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.
