ASRock Steel Legend SL-850G 850W ATX Power Supply Unit, 80 Plus Gold Certified, 120mm Silent Cooling Fan, High Efficiency PSU

ASRock Steel Legend SL850G Power Supply Unit

Native PCIe 12V-2x6 Cable

Dual Color 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 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.
The Cybenetics certification on the packaging has been updated. Some earlier units may not show the badge. For the latest certification details, please visit the official Cybenetics website. Product specifications and performance remain unchanged.

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.
The Cybenetics certification on the packaging has been updated. Some earlier units may not show the badge. For the latest certification details, please visit the official Cybenetics website. Product specifications and performance remain unchanged.

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.

Specifications

80 Plus Efficiency
GOLD

Cybenetics (ETA/LAMBDA)
PLATINUM / A+

ATX 12V Version
ATX 3.1

AC Input
100-240V~, 50-60Hz, 10-5A

Continuous 12V output
70.9 A

Warranty (Years)
10

Dimensions(L x W x H)
150mm x 150mm x 86mm

Fan
135mm Striped Axial FDB Fan

iCOOL MODE
Yes (Switch)

Protections
OCP, SCP, OVP, UVP, OTP, OPP

Capacitors
All Japanese

5V BOOST
Yes (Built-in)

PCIe 5.1 Cable TempGuard
No

Total Power Excursion
200%

MTBF (Hours)@25°C
100,000

Cable Type
Flat

Motherboard cable (24pin)
1

EPS 12V CPU connectors (4+4pin)
2

PCIe5.1 connectors(12+4pin) Dual Color
1

PCIe connectors (6+2pin)
3

4-pin Peripheral connectors
3

SATA 5-pin connectors
9