ASRock SL-850G 850W White 80 Plus Gold PSU ATX 3.1 PCIe 5.1
ASRock Steel Legend SL-850G 850W 80 Plus Gold Power Supply Unit – White
Overview
The ASRock Steel Legend SL-850G is a high-efficiency 850W power supply designed for modern gaming PCs and performance systems. Finished in a clean white aesthetic, it combines reliable power delivery, advanced efficiency standards, and ultra-quiet operation. Built to ATX 3.1 and PCIe 5.1 specifications, it ensures stable performance for current and next-generation hardware.
Key Features & Benefits
✔ 850W stable power output for gaming and high-performance builds
✔ 80 PLUS Gold certification for efficient, low-waste energy delivery
✔ Cybenetics Platinum efficiency and Lambda A+ ultra-quiet acoustic rating
✔ ATX 3.1 and PCIe 5.1 ready for modern GPU compatibility
✔ Native 12V-2x6 connector for direct next-gen graphics card power
✔ Dual-colour connector design for secure and easy installation verification
✔ Fully modular cable design for clean cable management and airflow
✔ 135mm Fluid Dynamic Bearing fan for quiet, long-lasting cooling
✔ iCOOL intelligent fan mode for near-silent operation under light loads
✔ Premium 105°C Japanese capacitors for long-term reliability
✔ Built-in 5V BOOST for stable voltage performance
✔ Flat white cables for improved aesthetics and airflow
✔ Full protection suite for system safety under all loads
✔ Backed by a 10-year warranty for long-term peace of mind
Efficient, Future-Ready Power Delivery
The SL-850G is engineered to meet ATX 3.1 and PCIe 5.1 standards, ensuring compatibility with the latest GPUs and CPUs. With support for up to 200% power excursion, it handles sudden load spikes with ease, maintaining stable and consistent system performance.
Ultra-Quiet Cooling Performance
A 135mm Fluid Dynamic Bearing fan ensures efficient heat dissipation with minimal noise. With iCOOL mode enabled, the fan remains off during low to medium loads, delivering near-silent operation. Under heavy workloads, the fan intelligently adjusts to maintain optimal thermal performance.
Premium Build Quality & Reliability
Built with high-grade Japanese capacitors rated at 105°C, the SL-850G delivers long-term durability and stable operation. Combined with comprehensive protection features, it safeguards your system against electrical faults, surges, and overheating.
Technical Specifications
- Power Output: 850W
- Efficiency Rating: 80 PLUS Gold
- Cybenetics Rating: Platinum / A+
- Form Factor: ATX 3.1
- Input Voltage: 100–240V~, 50–60Hz
- +12V Output: 70.9A
- Power Excursion: Up to 200%
- Cooling: 135mm Striped Axial FDB Fan
- Capacitors: 100% Japanese 105°C
- Dimensions: 150mm x 150mm x 86mm
- Protections: OCP, OVP, UVP, SCP, OTP, OPP
- Warranty: 10 Years
- Modularity: Fully Modular
- Cable Type: Flat
- PCIe 5.1 Connector: 1 x 12V-2x6 (Dual Colour)
- PCIe 6+2 Pin: 3
- SATA: 9
- Peripheral: 3
- CPU EPS: 2 (4+4 pin)
- Motherboard: 1 x 24-pin
Why Choose the ASRock SL-850G?
The SL-850G is ideal for users who want a balance of efficiency, performance, and aesthetics in a modern power supply. Its white finish, quiet operation, and next-generation compatibility make it perfect for clean, high-performance builds. With premium components and a 10-year warranty, it offers long-term reliability and excellent value for demanding systems.