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ASRock SL-1200GW 1200W White 80 Plus Gold PSU ATX 3.1 Modular

SKU 90-UXS120-GFGABA
Availability:
12 in stock, ready to be shipped
by ASROCK
Original price £157.99 - Original price £157.99
Original price
£157.99
£157.99 - £157.99
Current price £157.99

ASRock Steel Legend SL-1200GW 1200W 80 Plus Gold Power Supply Unit – White

Overview

The ASRock Steel Legend SL-1200GW is a premium 1200W power supply designed for high-performance gaming PCs and professional systems. Finished in a clean white aesthetic, it combines powerful, efficient energy delivery with ultra-quiet operation and future-ready compatibility. Built to ATX 3.1 and PCIe 5.1 standards, it ensures stable power for the latest hardware while maintaining exceptional efficiency and reliability.


Key Features & Benefits

✔ 1200W high-performance output for demanding gaming and workstation builds
✔ 80 PLUS Gold certification for efficient power delivery and reduced heat
✔ Cybenetics Platinum efficiency and Lambda A ultra-quiet acoustic rating
✔ ATX 3.1 and PCIe 5.1 ready for next-generation system compatibility
✔ Fully modular cable design for clean builds and optimal airflow
✔ Dual native 12V-2x6 connectors for modern high-end GPUs
✔ Dual-colour connectors for quick and secure cable installation
✔ 135mm Fluid Dynamic Bearing fan for quiet, long-lasting cooling
✔ iCOOL intelligent fan mode for near-silent operation under low loads
✔ Premium 105°C Japanese capacitors for long-term durability
✔ Built-in 5V BOOST for stable and consistent voltage delivery
✔ Flat white cables for improved cable management and aesthetics
✔ Full protection suite for safe and reliable operation
✔ Backed by a 10-year warranty for complete peace of mind


Designed for Next-Generation Systems

Fully compliant with ATX 3.1 and PCIe 5.1 standards, the SL-1200GW is engineered to support the latest CPUs and GPUs. With the ability to handle up to 200% power excursion, it maintains stability during sudden power spikes, ensuring consistent performance under demanding workloads.


Ultra-Quiet Cooling Performance

The 135mm Fluid Dynamic Bearing fan delivers efficient cooling while minimising noise. With iCOOL mode enabled, the fan remains off during low to medium loads, providing silent operation. When required, the fan intelligently ramps up to maintain optimal temperatures without excessive noise.


Premium Build Quality & Reliability

Constructed using high-quality Japanese capacitors rated at 105°C, the SL-1200GW ensures long-lasting performance and stability. Combined with a comprehensive set of electrical protections, it safeguards your system against power fluctuations and extreme conditions.


Technical Specifications

  • Power Output: 1200W
  • Efficiency Rating: 80 PLUS Gold
  • Cybenetics Rating: Platinum / A
  • Form Factor: ATX 3.1
  • Input Voltage: 100–240V~, 50–60Hz
  • +12V Output: 100A
  • 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 (White)
  • PCIe 5.1 Connectors: 2 x 12V-2x6 (Dual Colour)
  • PCIe Connectors: 2 x 6+2 pin, 1 x 8 pin
  • SATA: 9
  • Peripheral: 3
  • CPU EPS: 1 x 4+4 pin, 1 x 8 pin
  • Motherboard: 1 x 24-pin

Why Choose the ASRock SL-1200GW?

The SL-1200GW is the ideal choice for users seeking powerful, efficient, and visually refined power delivery. Its combination of high wattage, ultra-quiet operation, and future-ready standards makes it perfect for modern high-end builds. With premium components, modular design, and a sleek white finish, it delivers both performance and aesthetics without compromise.