
ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod
Specifications
At a glance
ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod is a 1200W ATX power supply. It is listed at one UK shop, Alphacores, for £156.32 (checked 26 October 2026).
Quick answers
What is the cheapest UK price for ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod?
The cheapest in-stock UK price for ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod is £156.32 at Alphacores (checked 26 October 2026).
Where is ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod in stock?
ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod is in stock at Alphacores (£156.32), as checked 26 October 2026 or later.
From the retailer
Unleash the full potential of your elite, themed hardware configuration with the ASRock Steel Legend SL-1200GW 1200W White Power Supply. Crafted specifically for clean-white gaming battle stations, professional 3D rendering nodes, and intensive AI processing workstations, this flagship 1200-watt unit delivers massive, uncompromised energy headroom. Combining dual elite efficiency certifications, complete white modular cable freedom, and next-generation safety architecture, it provides a flawless monochrome foundation for bleeding-edge computing.
Future-Proof ATX 3.1 & PCIe 5.1 ArchitectureBuilt to conquer the massive power demands of next-generation components, the SL-1200GW strictly complies with the advanced ATX 3.1 and PCIe 5.1 electrical standards. This advanced topology allows the unit to seamlessly absorb extreme, microsecond transient power excursions up to 200% of its rated capacity (up to a staggering 2400W peak). Aggressive power spikes from high-end graphics architectures are safely isolated and absorbed, keeping your system completely stable.
Features80 PLUS GOLD CertifiedCybenetics PLATINUM and LAMBDA A CertifiedATX3.1 & PCIe5.1 ReadyFully Modular Cable DesignNative 12V-2x6 Connector Dual Color Design100% Highly Reliable Japanese Capacitors135mm Striped Axial FDB FaniCool Intelligent Fan Control ModeBuilt-in 5V BOOST functionRemarkable 10-Year WarrantyNative PCIe 12V-2x6 Cable Dual Color DesignWith ASRock Classic Green connectors, users can easily see if the connector has been plugged properly.iCOOL Intelligent Fan Control ModeiCOOL Mode ON: The power supply runs more efficiently. The fan stays off during low to medium loads, reducing noise and improving energy efficiency. The fan only activates when the load or temperature increases.iCOOL Mode OFF: The fan runs continuously, regardless of load. This may increase noise slightly but provides consistent cooling and better performance under heavy loads.80 PLUS & CYBENETICS CERTIFIEDThe Steel Legend series power supply unit offers options of 1200W, 1000W, 850W, 750W, and 650W, available in "Steel Black" and "Steel White" ideal for mainstream systems. Certified for 80 PLUS Gold efficiency and Cybenetics Platinum rating, along with LAMBDA A+/A acoustic certification, it ensures outstanding energy performance.
CYBENETICS LAMBDA AThe Steel Legend series power supply earning the prestigious Cybenetics Lambda A certification.
This recognition underscores the Steel Legend series' outstanding noise control performance, making it an exceptional choice for users seeking ultra-quiet operation.135mm Fluid Dynamic Bearing FanThe fluid seal design and the herringbone structure provides an extremely long lifespan and noise minimization.
Japanese Capacitors105 C Japanese-made Capacitor and Solid Capacitor, makes prolonged life span possible.
Safety First with ASRockFull suite of protections to keep all components safe during normal to extreme power levels.
ASRock offers an outstanding 10 Year warranty, guaranteeing long term reliable and peace of mind operation.
Specifications80 Plus Efficiency GOLDCybenetics (ETA/LAMBDA) PLATINUM / AATX 12V Version ATX 3.1AC Input 100-240V~, 50-60Hz, 15-7.5AContinuous 12V output 100 AWarranty (Years) 10Dimensions(L x W x H) 150mm x 150mm x 86mmFan 135mm Striped Axial FDB FaniCOOL MODE Yes (Switch)Protections OCP, SCP, OVP, UVP, OTP, OPPCapacitors All Japanese5V BOOST Yes (Built-in)PCIe 5.1 Cable TempGuard NoTotal Power Excursion 200%MTBF (Hours)@25C 100,000Cable Type FlatMotherboard cable (24pin) 1EPS 12V CPU connectors (4+4pin) 1EPS 12V CPU connectors (8pin) 1PCIe5.1 connectors(12+4pin) Dual Color 2PCIe connectors (6+2pin) 2PCIe connectors (8pin) 14-pin Peripheral connectors 3SATA 5-pin connectors 9
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