ASUS ROG Loki 850W Platinum White PSU

ASUS ROG Loki 850W Platinum | SFX-L Powerhouse

The ASUS ROG Loki SFX-L 850W Platinum White power supply unit 24-pin ATX delivers enthusiast-grade performance in a compact SFX-L form factor. Built for small form factor (SFF) builds, it combines quiet operation, high efficiency, and robust power delivery for demanding PC components.

Quick Specs

Ultra-Quiet Operation

ROG Loki SFX-L 850W Platinum White power supply unit 24-pin ATX features ROG heatsinks and an advanced 120mm Axial-tech fan that keeps temperatures low while maintaining near-silent operation. The fan shuts off completely under 40% load thanks to 0dB Technology, and earns a Cybenetics Lambda A certification for exceptional quietness—typically under 25 dB.

Built for Next-Gen Hardware

This PSU supports ATX 3.0 specifications, ensuring compatibility with the latest graphics cards and components. It includes a 16-pin PCIe Gen 5.0 cable capable of delivering up to 600W to the most power-hungry GPUs. The fully-modular design with Japanese capacitors provides clean, stable power delivery for years of reliable performance.

Customisable RGB Lighting

The 120mm fan features eight addressable LEDs that can be synchronised with ASUS Aura Sync for coordinated lighting across your build. When not connected to Aura Sync, the default effect creates a rainbow pattern. For full functionality, you’ll need an Aura Sync-compatible ASUS or ROG motherboard.

Box Contents

• ASUS ROG Loki SFX-L 850W Platinum White power supply unit
• 16-pin PCIe Gen 5.0 cable
• Modular cables
• Mounting screws
• User manual

Check Before You Buy

• Confirm your case supports SFX-L form factor (125mm x 125mm x 63.5mm)
• Verify your motherboard has 24-pin ATX connector
• Check if your graphics card needs 8-pin or 16-pin PCIe power
• Ensure your case has adequate ventilation for SFX-L PSUs

Frequently Asked Questions

Q: Is this PSU compatible with ATX 3.0 graphics cards?

A: Yes, it’s fully ATX 3.0 compliant and includes a 16-pin PCIe Gen 5.0 cable for high-power GPUs.

Q: How quiet is the ROG Loki SFX-L 850W?

A: It achieves a Cybenetics Lambda A rating, typically operating under 25 dB with 0dB technology at light loads.

Q: What warranty comes with this PSU?

A: It includes a 10-year worldwide warranty covering core operation, with 3 years for RGB components.

Q: Can I use this in a standard ATX case?

A: Yes, it supports ATX motherboards but requires an SFX-L compatible case or adapter bracket.

Q: What makes this PSU efficient?

A: 80 PLUS Platinum certification and Japanese capacitors ensure high efficiency and reduced heat output.

The Consultant’s Verdict & Warranty

The ASUS ROG Loki SFX-L 850W Platinum White power supply unit 24-pin ATX represents an ideal choice for SFF builders who refuse to compromise on performance or features. Its combination of compact size, exceptional quietness, next-gen compatibility, and comprehensive warranty makes it particularly suited for high-end mini-ITX builds where space and noise are critical concerns. Covered by the standard Manufacturer Warranty.