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Asus ROG-LOKI-850P-SFX-L-GAMING ROG 850W SFX-L Power Supply - ATX 3.0 - 92% Efficiency - Fully Modular - Single +12V Rail
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Product Features
Technical Overview
This power supply features multiple DC output voltages: 3.3V, 5V, 12V, and -12V, with detailed current ratings of 20A, 20A, 70.8A, and 0.8A respectively. The 12V rail delivers 70.8A, providing ample power for demanding components.
The ATX 3.0 specification ensures compatibility with the latest hardware standards, while the SFX-L form factor fits compact cases without sacrificing performance. The 92% efficiency rating meets high standards for energy conservation and thermal management.
Relevant factors for this section include Specification Compliance, Efficiency, Number of Fans, Number of +12V Rails. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The ROG-LOKI-850P-SFX-L-GAMING combines high power density with advanced features for superior build quality and reliability. Its compact SFX-L size allows installation in space-constrained environments without compromising on wattage or stability.
Efficient Power Delivery
With 92% efficiency, this power supply minimizes energy loss and heat generation, contributing to cooler system operation and lower electricity costs over time.
Modular Flexibility
The fully modular design lets you connect only the cables you need, reducing clutter and improving airflow within compact cases for better thermal performance.
High-Current Support
The single +12V rail with 70.8A output ensures stable power delivery to high-end graphics cards and processors, preventing voltage drops under heavy loads.
Deployment / Use Cases
This power supply is ideal for small form factor gaming PCs, compact workstations, and HTPC builds where space is limited but performance cannot be compromised. Its SFX-L dimensions fit seamlessly into mini-ITX and micro-ATX cases.
The ATX 3.0 compliance makes it suitable for next-generation hardware, including high-power GPUs and CPUs that demand stable, high-current power delivery. The modular cables simplify installation in tight spaces, making it a preferred choice for custom loop cooling setups and clean aesthetic builds.
Compact Gaming Rigs
Perfect for mini-ITX gaming builds that require full 850W power in a small footprint, supporting high-end components without bulk.
Workstation Applications
Reliable for compact workstations used in content creation, engineering, or scientific computing, where stable power is critical for prolonged rendering or simulation tasks.
Physical Profile
Measuring 4.92" in height and width with a depth of 2.50", this SFX-L power supply offers a compact footprint that fits most small form factor cases. The approximate weight of 4 lb (1815 g) reflects its robust construction with quality components.
The internal form factor is designed for standard mounting in PC cases, with dimensions provided in both inches and millimeters for precise compatibility checks. The square profile (4.92" x 4.92") maximizes internal space utilization while maintaining efficient cooling through the integrated fan.
- Width
- 4.92" (125 mm)
- Depth
- 2.50" (63.50 mm)
- Height
- 4.92" (125 mm)
- Weight
- 4 lb (1815 g)
Highlights
- 850W power output for high-performance builds
- SFX-L form factor for compact case compatibility
- ATX 3.0 specification compliance
- 92% efficiency rating for energy savings
- Fully modular cable design
- Single +12V rail with 70.8A current
- Multiple DC output voltages: 3.3V, 5V, 12V, -12V
- Includes one fan for active cooling
- Compact dimensions: 4.92" x 4.92" x 2.50"
- Internal mounting form factor
Specifications
| Specifications | |
|---|---|
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | ROG-LOKI-850P-SFX-L-GAMING |
| Brand Name | Asus ROG |
| Product Line | Loki |
| Product Model | ROG-LOKI-850P-SFX-L-GAMING |
| Product Name | ROG-LOKI-850P-SFX-L-GAMING 850W Power Supply |
| Product Type | Power Supply |
| Technical Information | |
| Specification Compliance | ATX 3.0,SFX-L |
| Efficiency | 92% |
| Number of Fans | 1 |
| Modular | Yes |
| Power Description | |
| Number of +12V Rails | 1 |
| Output Voltage | 3.3 V DC,5 V DC,12 V DC,-12 V DC |
| Output Voltage Detail | 3.3 V DC @ 20 A,5 V DC @ 20 A,12 V DC @ 70.8 A,-12 V DC @ 0.8 A,5 V DC @ 2.5 A |
| Output Current | 20 A,70.80 A,800 mA,2.50 A |
| Physical Characteristics | |
| Form Factor | Internal |
| Height | 4.92" (125 mm) |
| Width | 4.92" (125 mm) |
| Depth | 2.50" (63.50 mm) |
| Weight (Approximate) | 4 lb (1815 g) |
FAQ
What is the efficiency rating of this Asus ROG power supply?
This power supply has a 92% efficiency rating. This high efficiency reduces energy waste and heat generation, contributing to cooler system operation and lower electricity costs, making it suitable for energy-conscious builds and prolonged usage scenarios.
Is this power supply modular?
Yes, the Asus ROG ROG-LOKI-850P-SFX-L-GAMING is fully modular. This design allows you to connect only the necessary cables, reducing clutter inside your case for improved airflow and easier cable management, especially in compact builds where space is limited.
What form factor does this power supply use?
This power supply uses the SFX-L form factor, which is a compact size designed for small form factor cases. It measures 4.92" in height and width with a depth of 2.50", making it compatible with mini-ITX and micro-ATX cases without sacrificing the full 850W power capacity.
How many +12V rails does this power supply have?
It features a single +12V rail with an output current of 70.8A. This single-rail design provides stable, high-current power delivery to demanding components like modern GPUs and CPUs, ensuring consistent performance under heavy loads without voltage fluctuations.
What are the output voltages of this power supply?
The power supply provides multiple DC output voltages: 3.3V, 5V, 12V, and -12V. These voltages support various computer components, with detailed current ratings of 20A, 20A, 70.8A, and 0.8A respectively, ensuring compatibility with a wide range of hardware.
Is this power supply compliant with ATX 3.0?
Yes, it is compliant with the ATX 3.0 specification. This ensures compatibility with the latest hardware standards, including support for high-power transients and improved efficiency, making it future-proof for next-generation components and demanding applications.
| Qty | Price | Available |
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