ROG LOKI SFX-L 1000W Platinum Power Supply Review

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Power is everything in the world of PC gaming. When it comes to constructing a high-performance gaming system, fans recognize the significance of a dependable and efficient power supply unit (PSU). The ROG LOKI SFX-L 1000W Platinum Power Supply from ASUS Republic of Gamers (ROG) is a small yet powerful power supply. We’ll look at the features, performance, and overall value of this interesting little giant in our in-depth analysis.

ASUS has launched the ROG LOKI, their latest line of power supplies. The LOKI series uses the SFX-L PSU architecture to satisfy the needs of compact form factor projects. All ROG LOKI models are 80PLUS Platinum Certified, with the exception of the 1200W variant, which is 80PLUS Titanium Certified. Furthermore, the ROG LOKI supports ASUS Aura Sync, is Cybernetics LAMBDA A Noise Level Certified, and is ATX 3.0 compatible with a PCIE 5.0 12VHPWR connection.

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ROG LOKI SFX-L 1000W Platinum Power Supply Unboxing & Design and Build Quality

The ROG LOKI SFX-L 1000W Platinum Power Supply comes in a well-designed, compact package that oozes ROG style. Inside, the power supply is securely tucked within foam cushioning, accompanied with a complete user manual and a full set of modular wires. The first thing you’ll notice is its small size, which fits the SFX-L form factor. Despite its small size, the power supply radiates quality, with a premium brushed metal finish and the distinctive ROG logo prominently visible.

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The ROG LOKI power supply unit deviates from the standard SFX design by using the SFX-L form factor, which is significantly bigger at 125mm x 125mm x 63.5mm. Despite the fact that it is still an SFX PSU, the ROG LOKI is intended to reduce space and can fit in typical ITX cases. However, controlling cables may be a little more difficult than normal.

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The ROG LOKI SFX-L 1000W Platinum Power Supply is finished in a sleek matte black with mirror-finished elements on both sides. The lighted ROG and Republic of Gamers logos on the sides of the PSU complement the RGB illumination radiating from the fans. The front panel holds all of the modular connections, which are organized in two rows, with the ATX 3.0 12VHPWR port at the top.

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With the inclusion of the 12VHPWR connector, the conventional 4 x 8-pin CPU/PCI-E combination on this SFX-L model is reduced to only 3 x 8-pin. The other configurations are comparable to typical SFX PSUs, with the exception of an extra 2-pin AURA ARGB connection at the end.

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In contrast to the ROG THOR’s braided sleeve cables, the ROG LOKI cables are made of a different material and feature a glossy texture with a soft leathery feel. The texture is similar to that of high-quality dress shoe laces. It should be noted, however, that these cables do not feature cable management combs.

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Other extras included in the package include a ROG drawstring cable pouch, a power cord, a user manual, three Velcro cable straps, a packet of cable ties, and an ATX to SFX adapter bracket.

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The ROG LOKI SFX-L 1000W Platinum Power Supply meets the most recent power specification requirements and is ATX 3.0 compliant, making it ideal for the most recent GPU generation. The accompanying 16-pin 12VHPWR (PCIe 5.0) connection connects directly to the PSU’s specialized 16-pin connector, which can handle up to 600w of power.

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ROG LOKI SFX-L 1000W Platinum Power Supply Performance

When it comes to power supply units, performance and efficiency are critical. In this sense, the ROG LOKI SFX-L 1000W Platinum Power Supply does not disappoint.

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To begin with, the 80 PLUS Platinum certification assures that this power supply performs with a minimum efficiency of 90% under average loads. This means that it not only provides consistent and reliable power to your components, but it also produces less waste heat, putting less burden on your system’s cooling.

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The LOKI SFX-L has a single +12V rail architecture, which simplifies power distribution and guarantees that your components receive a consistent and dependable power supply. This is especially critical for high-end gaming systems, since power delivery changes can cause instability and crashes.

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Thermal performance is particularly remarkable, due to a silent and efficient 120mm fan that runs silently under normal loads and only ramps up when needed to keep temperatures stable. This fan not only keeps the power supply cool, but it also helps to the general quietness of your PC.

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Overvoltage protection (OVP), overcurrent protection (OCP), overtemperature protection (OTP), and short-circuit protection (SCP) round out the ROG LOKI SFX-L 1000W’s security features. These protections assist protect your expensive components from power surges or malfunctions.

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One of the issues with SFF builds is noise, as restricted space may make maintaining a quiet system difficult. The ROG LOKI SFX-L 1000W Platinum Power Supply achieves a good blend of power and quiet.

The PSU’s fan is almost silent under low to moderate loads, providing to a quiet computing environment. Even during heavy gaming sessions, fan noise is modest and easily drowned out by the noise generated by your GPU and CPU fans.

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When the system is idle or under mild loads, the semi-passive fan mode allows the PSU to run quietly. It’s a considerate addition for individuals who like a whisper-quiet PC experience.

ROG LOKI SFX-L 1000W Platinum Power Supply Specifications

BrandASUS Republic of Gamers (ROG)
ModelLOKI SFX-L 1000W Platinum
Form FactorSFX-L (Small Form Factor, Long)
Certification80 PLUS Platinum
Wattage Output1000 Watts
Modular DesignFully Modular
EfficiencyUp to 90%
Cooling120mm Silent Fan (Semi-Passive Mode)
+12V Rail DesignSingle +12V Rail
ProtectionsOvervoltage (OVP), Overcurrent (OCP), Overtemperature (OTP), Short-Circuit (SCP)
Dimensions (L x W x H)130mm x 125mm x 63.5mm (SFX-L)
WeightApprox. 1.45 kg
Fan NoiseVaries based on load, Semi-Passive Mode Supported
Cable TypeFlat, Black Braided Cables
ATX Connector1 x 24-pin ATX
EPS Connector2 x 8-pin (4+4) EPS
PCIe Connectors6 x 8-pin (6+2) PCIe
SATA Connectors8 x SATA
Peripheral Connectors4 x 4-pin Molex
Floppy Connector1 x 4-pin Floppy
Operating Temperature0°C to 50°C
MTBF (Mean Time Between Failures)>100,000 hours
WarrantyLimited 10-year warranty

ROG LOKI SFX-L 1000W Platinum Power Supply Conclusion

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There are a few points to consider if you can’t decide between the ROG THOR and the ROG LOKI. The ROG LOKI SFX-L 1000W Platinum Power Supply may be a better alternative if you have a smaller SFF chassis or desire a more compact PSU at a cheaper cost. The ROG THOR 1000W, on the other hand, maybe a better alternative if you have a bigger case or desire a more complex PSU with an OLED display and manual 0 db control. Finally, your tastes, budget, and demands will determine which power supply is best for you.

Pros of the ROG LOKI SFX-L 1000W Platinum Power Supply:

  1. High Power Output: The ROG LOKI SFX-L 1000W power supply delivers a maximum power output of 1000 watts, making it suitable for high-performance gaming PCs and enthusiast-level builds. It provides ample power for demanding components such as high-end CPUs and multiple graphics cards.
  2. SFX-L Form Factor: The SFX-L form factor of this power supply allows for compact and efficient PC builds, making it ideal for small form factor (SFF) systems and mini-ITX cases. Despite its small size, it offers high power output and efficiency, saving space without compromising performance.
  3. Platinum Efficiency Rating: With its Platinum efficiency rating, this power supply achieves high levels of energy efficiency, resulting in lower power consumption and reduced electricity bills. It meets strict efficiency standards set by organizations such as 80 PLUS, ensuring optimal performance and energy savings.
  4. Fully Modular Design: The fully modular design of the ROG LOKI SFX-L 1000W power supply allows users to connect only the cables they need, minimizing cable clutter and improving airflow within the PC case. This makes cable management easier and enhances the overall aesthetics of the build.
  5. Premium Build Quality: ASUS ROG power supplies are known for their premium build quality and reliability, and the ROG LOKI SFX-L 1000W is no exception. It features high-quality components, including Japanese capacitors and a robust cooling system, ensuring long-term stability and durability.
  6. Quiet Operation: Equipped with a quiet and efficient cooling fan, this power supply operates quietly under normal load conditions, keeping noise levels to a minimum. The fan’s intelligent speed control ensures optimal cooling performance while maintaining low noise levels, providing a quiet computing experience.
  7. Advanced Protection Features: The ROG LOKI SFX-L 1000W power supply includes a comprehensive set of protection features to safeguard your PC components against potential damage from electrical surges, overvoltage, undervoltage, short circuits, and overcurrent. This ensures reliable and stable operation under all conditions.
  8. Multi-GPU Support: Designed to support multi-GPU configurations, this power supply is suitable for gaming enthusiasts and content creators who require the graphics processing power of multiple GPUs. It provides stable and reliable power delivery to ensure smooth performance in gaming and creative applications.
  9. ROG Branding and Aesthetics: Featuring the iconic ROG branding and design elements, the ROG LOKI SFX-L 1000W power supply adds a touch of style to your PC build. The sleek black finish, illuminated ROG logo, and customizable RGB lighting enhance the visual appeal of your gaming rig.
  10. Comprehensive Warranty Coverage: ASUS offers a generous warranty period and comprehensive customer support for the ROG LOKI SFX-L 1000W power supply, providing peace of mind and assurance of quality. Users can rely on ASUS’s reputation for reliability and service excellence.

Cons of the ROG LOKI SFX-L 1000W Platinum Power Supply:

  1. High Price: As a premium power supply with high power output and efficiency, the ROG LOKI SFX-L 1000W may come with a higher price tag compared to standard power supplies. It may be out of reach for budget-conscious users or those with more modest PC builds.
  2. Limited Availability: The ROG LOKI SFX-L 1000W power supply may have limited availability in certain regions or markets, making it difficult to purchase or find in stock. Users may need to wait for restocks or explore alternative options if the product is not readily available.
  3. Compatibility Concerns: While the SFX-L form factor offers compatibility with small form factor cases, users should ensure compatibility with their specific case and hardware configuration before purchasing. Some cases may have size restrictions or limited space for installation, requiring careful consideration.
  4. Overkill for Low-Power Builds: The high power output of the ROG LOKI SFX-L 1000W power supply may be overkill for low-power PC builds or systems with modest hardware requirements. Users with less demanding configurations may not fully utilize the power capacity of this power supply.
  5. Limited RGB Customization: While the power supply features customizable RGB lighting, the options for RGB customization may be limited compared to dedicated RGB components or accessories. Users may prefer more extensive RGB control options for synchronizing lighting effects with other components.
  6. Potential Overkill for Single-GPU Systems: For users with single-GPU systems or less demanding gaming setups, a 1000W power supply may be unnecessary. Opting for a lower-wattage power supply can save costs and reduce energy consumption without sacrificing performance or reliability.
  7. Space Constraints in Some Cases: Despite its compact SFX-L form factor, the ROG LOKI SFX-L 1000W power supply may still pose space constraints in certain small form factor cases or mini-ITX builds. Users should carefully measure available space and plan for proper cable management to ensure a proper fit.
  8. Noisy Operation at High Loads: Under heavy loads or during intense gaming sessions, the cooling fan in the power supply may ramp up its speed to maintain adequate cooling, resulting in increased noise levels. While the fan is designed for quiet operation, it may become audible under demanding conditions.
  9. Limited Bundled Accessories: The ROG LOKI SFX-L 1000W power supply may come with a limited selection of bundled accessories compared to other power supplies in its price range. Users may need to purchase additional cables or adapters separately, depending on their specific requirements.
  10. Advanced Installation Required: Installing and configuring the ROG LOKI SFX-L 1000W power supply may require some technical expertise and knowledge of PC building. Users should follow the manufacturer’s instructions carefully and ensure proper installation to avoid compatibility issues or damage to components.

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