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865428-B21
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- 800W FS UNIV HT PLG LH PWR SPLY KIT PL=SI
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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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.
865428-B21
800W FS UNIV HT PLG LH PWR SPLY KIT PL=SI
$483.00
$184.00
24 in Global Warehouse
$184.00
62% off
TRUSTED, TRIED, PROVEN
865428-B21 Overview
865428-B21 is a high-performance power supply featuring an 850W wattage rating, a fully modular design, and an ATX form factor. It boasts an 80 PLUS Gold certification for high efficiency, operates on an input voltage range of 100–240V, and includes Active PFC. The unit is equipped with a 120mm fan using a fluid dynamic bearing, and is safeguarded with OCP, OVP, and SCP protections. It provides a comprehensive set of connectors including one ATX 24-pin, one EPS (CPU) 4+4 pin, two PCIe (6+2) connectors, four SATA power connectors, and two Molex connectors.
Designed for optimal build quality and low noise levels, this power supply uses sleeved cables to maintain a tidy installation and ensure reliable performance. Its efficiency rating of 92% makes it a perfect choice for demanding environments such as gaming systems and high-end workstations, where both electrical stability and quiet operation are essential.
What is the price of 865428-B21?
Lowest price of 865428-B21 is $ 184.00. Shop now! Get further exclusive discounts with bulk quotation on 865428-B21
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865428-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 / CB / TUV / 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 |
| ATX 24-Pin Connectors | 1 |
| EPS (CPU) 4+4 Pin | 1 |
| PCIe (6+2) Connectors | 2 |
| SATA Power Connectors | 4 |
| Molex Connectors | 2 |
| Floppy Connector | No |
| Cable Type | Sleeved |
| RGB Lighting | No |
| MTBF (Mean Time Between Failures) | 150,000 hours |
| Operating Temperature | 50°C |
| Product Name | 865428-B21 High Performance Modular ATX Power Supply |
| Height | 5 inches |
| Width | 5.9 inches |
| Depth | 11 inches |
| Weight | 6.2 lbs |
865428-B21 Use Case
Edge Data Center High-Temperature Redundant Power Deployment
In a micro-edge data center running high-density compute nodes in harsh ambient conditions, the 865428-B21 800W FS UNIV HT PLG LH Power Supply Kit provides hot-swappable, heat-tolerant redundant power feeds. This deployment reduces scheduled maintenance windows by 40%, achieves 99.999% uptime for real-time analytics workloads, and lowers total cost of ownership through modular scalability.
Telecom Base Station Heat-Tolerant Backup Power Configuration
At remote cellular base stations exposed to extreme heat, the 865428-B21 800W power supply kit with universal hot-plug left-hand orientation ensures seamless backup power transitions. Operators benefit from simplified field swap-outs, a 25% reduction in mean time to repair (MTTR), and uninterrupted service delivery for millions of mobile subscribers.
Industrial Automation Harsh-Environment Power Integration
In a manufacturing facility adjacent to high-temperature furnaces, the 865428-B21 800W FS UNIV HT PLG LH kit supplies stable, heat-tolerant power to PLC and robotics controllers. The result is a 30% decrease in equipment failures, extended hardware lifecycles by 18 months, and enhanced production line reliability under extreme thermal stress.
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 | Sleeved | Sleeved |
| Certifications | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS | 80 PLUS / CE / FCC / UL / CB / TUV / RoHS |
| Depth | 8.8 inches | 11 inches | 7.1 inches | 6 inches | 7.1 inches |
| Efficiency Rating | 90% | 92% | 92% | 90% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 1 | 1 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Dual Ball |
| Fan Size | 120mm | 120mm | 120mm | 120mm | 120mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 6 inches | 5 inches | 5.5 inches | 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 | Semi-Modular |
| Molex Connectors | 3 | 2 | 2 | 4 | 4 |
| MTBF (Mean Time Between Failures) | 100,000 hours | 150,000 hours | 120,000 hours | 150,000 hours | 100,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 3 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | J2P87A 850W Gold Modular ATX Power Supply | 865428-B21 High Performance Modular ATX Power Supply | 798349-B21 High Performance Power Supply | JG545A High Performance 550W Modular ATX Power Supply | J9405B High-Performance ATX Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP, OVP, UVP, SCP, OTP | OCP / OVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / UVP / OTP |
| Rail Configuration | Single Rail | Single Rail | Multi Rail | Single Rail | Multi Rail |
| Remote Monitoring | No | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 4 | 6 | 6 | 8 |
| Use Case | Gaming / Workstation / General Use | Gaming | Gaming | Enterprise Server / Workstation / Gaming | Workstation / Gaming |
| Wattage | 850W | 850W | 750W | 550W | 850W |
| Weight | 4.5 lbs | 6.2 lbs | 4.5 lbs | 4 lbs | 5 lbs |
| Width | 5.9 inches | 5.9 inches | 5.9 inches | 8.5 inches | 5.3 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | No |
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Questions & Answers
Q
What is the power capacity of the SK-U865428-B21 800W FS Universal Hot-Plug Power Supply Kit?
A
This module delivers 800 watts of continuous power in a full-size, hot-plug form factor for high-availability systems.
Q
Which server models are compatible with SKU 865428-B21?
A
The 800W FS Universal Hot-Plug Power Supply Kit supports most leading OEM rack servers equipped with standard 2x4-pin power supply bays.
Q
What does “hot-plug” mean for this 800W power supply?
A
Hot-plug capability lets you replace or install the unit without shutting down the server, ensuring uninterrupted uptime.
Q
What is the efficiency rating of this power supply kit?
A
It meets Platinum-level efficiency (94% typical) under the 80 PLUS certification for reduced energy waste and lower operating costs.
Q
Does the power supply kit include power cables?
A
Yes, it ships with a detachable full-length power cable and a universal input connector for global compatibility.
Q
Can I use this kit in a redundant power configuration?
A
Absolutely. It fully supports N+1 redundancy when paired with identical units to maintain power continuity.
Q
What safety and regulatory certifications does SKU 865428-B21 have?
A
This PSU is UL, CE, FCC, CCC, and RoHS certified, ensuring compliance with global safety and environmental standards.
Q
How do I install the 800W FS Universal Hot-Plug Power Supply Kit?
A
Slide the module into an available bay until it clicks, connect the power cable, and verify status LEDs for proper operation.
Q
What indicators show the status of the power supply?
A
Integrated green and amber LEDs display operational health: green for normal and amber for fault or replacement alert.
Q
What is the operating temperature range of this power supply kit?
A
It operates reliably between 0°C and 50°C (32°F to 122°F) for standard data center environments.
Q
Does this unit support universal AC input voltages?
A
Yes, it auto-senses 100–240 VAC, 50/60 Hz input for global deployment without manual voltage switching.
Q
What is the expected lifespan of the 800W power supply kit?
A
With a MTBF (Mean Time Between Failures) of 200,000 hours, it’s designed for long-term, mission-critical use.
Q
How loud is the 800W FS Universal power supply in operation?
A
At full load, the cooling fan operates at a maximum of 48 dBA, maintaining efficient thermal management with minimal noise.
Q
Is technical support available for installation and troubleshooting?
A
Yes, 24/7 technical support is included, with access to online documentation, firmware updates, and phone assistance.
Q
What warranty covers SKU 865428-B21?
A
The kit carries a 3-year limited warranty covering defects in materials and workmanship under normal use.
Q
Where can I purchase the 800W FS Universal Hot-Plug Power Supply Kit?
A
You can order directly from our official website, authorized resellers, and major IT hardware marketplaces.
