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ASRock Steel Legend SL-1200G

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ASRock Steel Legend SL-1200G
2026Steel Legendsemi-passive cooling80+ Gold10 year warranty
650 W750 W850 W850 W
white
1000 W1000 W
white
1200 W1200 W
white
Main
Power1200 W
Form factorATX
Specs
PFCactive
Cooling systemsemi-passive / iCOOL /
Fan size135 mm
Fan bearinghydrodynamic
Certification80+ Gold
Cybenetics EfficiencyPlatinum
Cybenetics NoiseA
ATX12V version3.1
Power connectors
MB/CPU power supply24+8+8(4+4) pin
SATA9
MOLEX3
PCIe 8pin1
PCIe 8pin (6+2)2
PCIe 16pin2 pcs
Cable systemmodular
Max. power
+3.3V25 А
+5V25 А
+12V1100 А
-12V0.3 А
+5Vsb3 А
+12V1200 W
+3.3V +5V150 W
-12V3.6 W
+5Vsb15 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOCP, UVP, OTP
Manufacturer's warranty10 years
Dimensions (HxWxD)86x150x150 mm
Official Websiteasrock.com
Added to E-CatalogApril 2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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ASRock ASRock Steel Legend SL-1200G 1200W ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply 90-UXS120-GFGAAA

Native PCIe 12V-2x6 Cable - Dual Color DesignWith ASRock Classic Green connectors, users can easily see if the connector has... morebeen plugged properly.iCOOL Intelligent Fan Control Mode●iCOOL 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.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. 80 PLUS® GOLD Certified Cybenetics PLATINUM and LAMBDA A+ Certified* ATX3.1 & PCIe5.1 Ready Fully Modular Cable Design Native 12V-2x6 Connector Dual Color Design 100% Highly Reliable Japanese Capacitors 135mm Striped Axial FDB Fan iCool Intelligent Fan Control Mode Built-in 5V BOOST function Remarkable 10-Year Warranty
Overclockers.co.uk
Delivery: to United Kingdom
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£138.95
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Asrock Sl-1200G 1200W Atx Power Supply Unit 80 Plus Gold Certified 135Mm Striped Axial Fdb Fan High Efficiency Psu 90-UXS120

  Asrock Steel Legend Fully Modular 80+ Gold PSU - 80 PLUS® GOLD Certified - Cybenetics P... moreLATINUM and LAMBDA A Certified - ATX3.1 & PCIe5.1 Ready - Fully Modular Cable Design - Native 12V-2x6 Connector Dual Color Design - 100% Highly Reliable Japanese Capacitors - 135mm Striped Axial FDB Fan - iCool Intelligent Fan Control Mode - Built-in 5V BOOST function - Remarkable 10-Year Warranty           Native PCIe 12V-2x6 Cable - Dual Colour Design With ASRock Classic Green connectors users can easily see if the connector has been plugged properly.       iCOOL Intelligent Fan Control Mode iCOOL 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 ;Certified The Steel Legend series power supply unit offers options of 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 & Gold rating along with LAMBDA A+/A acoustic certification it ensures outstanding energy performance.         Cybenetics Lambda A The 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 Fan The fluid seal design and the herringbone structure provides an extremely long lifespan and noise minimization.         Japanese Capacitors 105 °C Japanese-made Capacitor and Solid Capacitor makes prolonged life span possible.       Safety First with ASRock Full 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.      
Quzo.co.uk
Delivery: to United Kingdom
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£146.52
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ASRock Steel Legend SL-1200G Gold ATX 3.1 PSU - 1200W Power Supply PCIe 5.1 Fully-Mod

pa_mpn: 3134, pa_gtin-ean: 3135, Manufacturer: ASROCK, Model Number: 90-UXS120-GFGAAA, pa_brand: 1678 Unleash the full potent... moreial of your elite hardware configuration with the ASRock Steel Legend SL-1200G 1200W Power Supply. Crafted for extreme PC builds, 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 modular freedom, and next-generation safety architecture, it is the ultimate 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-1200G 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
Alphacores.co.uk
Delivery: in United Kingdom
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£153.40
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ASRock Steel Legend SL-1200G Gold ATX 3.1 White PSU - 1200W Power Supply PCIe 5.1 Fully-Mod

pa_mpn: 3136, pa_gtin-ean: 3137, Manufacturer: ASROCK, Model Number: 90-UXS120-GFGABA, pa_brand: 1678 Unleash the full potent... moreial 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
Alphacores.co.uk
Delivery: in United Kingdom
Report
£162.76
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Asrock 1200W Steel Legend Sl-1200G Psu Fully Modular 80 Gold Cybenetics Platinu

Amazon.co.uk
Delivery: in United Kingdom
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£170.35
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Series ASRock Steel Legend

ASRock Steel Legend configurations

Price for ASRock Steel Legend
ASRock Steel Legend SL-650Gfrom £85.999 offers
ASRock Steel Legend SL-750Gfrom £100.997 offers
ASRock Steel Legend SL-850Gfrom £92.7713 offers
ASRock Steel Legend SL-850GWfrom £121.849 offers
ASRock Steel Legend SL-1000Gfrom £109.9310 offers
ASRock Steel Legend SL-1000GWfrom £132.548 offers
ASRock Steel Legend SL-1200Gfrom £138.956 offers
ASRock Steel Legend SL-1200GWfrom £155.115 offers
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