Thermaltake SFX-850AH8FKG power supply unit 850 W 24-pin ATX Black

Be Ready for Next Generation GPUs
Designed with a native PCIe 12+4pin modular connector, the Toughpower SFX series is built for next-gen PCIe Gen 5.0 graphic cards, and is fully compatible with Intel ATX 3.0 specifications. The fully modular Toughpower SFX series comes in 1000W, 850W, and 750W, and is built to deliver 80 PLUS Gold efficiency. The compact size of Toughpower SFX Gold series perfectly fits in any ATX or ITX case.

No Matter the Case Size, We've Got You Covered
The Toughpower SFX 850W Gold comes with an SFX to ATX adapter bracket as an accessory which gives users more options when choosing the ideal case for the build.

Fully Compatible with Intel ATX 3.0 Specifications
Toughpower SFX series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 70% low load efficiency and complies with required power supply timing standards.

PCIe Gen 5.0 Ready
Toughpower SFX series comes with a 16pin connector to offer powerful and stable performance allowing the PSU to natively run next-generation GPUs.
The wattage marked on the 12VHPWR’s connector is the recommended wattage. (Ref. Intel design guideline) The native 16 PIN (12VHPWR) PCIe connector of the SFX 850W can deliver up to 450W for PCIe 5.0 graphics cards.

Made to Comply with the Latest Graphics Cards
As the power consumption of graphics cards has increased, so has their demand for power. The SFX series is designed to support NVIDIA and AMD graphics cards, ready to supply the graphics card according to their different ways of connections.

Be Smart, Stay Quiet
The fans audible noise is under 29.8 dB at 100% operation, this creates the perfect balance between silence and superior cooling. Furthermore, with the Smart Zero Fan, the fan will not spin until the load exceeds 30% of the power supply, minimizing the fan noise.

＜30mV Low Ripple Noise Design
Top-end build quality with low ripple noise. All ripples are lower than 30mV on +12V, +5V or +3.3V from 0% to 100% load to ensure a stable operation and keep your performance-critical components to function reliably for longer.

Extremely Strict Voltage Regulation ＜±2%
The voltage regulation, more strict than Intel’s standard +5%,-7% for major rails and ±10% for -12V, is set to no more than ±2% for major rails, providing steady clean power through exceptional voltage stability.

17ms and up Hold Up Time
During a power interruption, your computer might shut down or reboot. We make sure the SFX series will deliver at least 17ms at 100% workload, without system reboot or resetting.

Fully Modular Low-Profile Flat Cables
Offers cable selection for users while powering the system at an advantageous voltage. Low-profile flat black cables make cable management easier, reduces clutter and increases airflow inside the chassis.

More Stable than Ever
100% high quality Japanese 105°C/221°F electrolytic capacitors provides great durability as well as offering the highest stability, while remaining reliable.

High Amperage Single +12V Rail & High-Class Technologies
Powerful single +12V rail can properly deliver the power you need for the best compatibility. The use of LLC and DC to DC circuit design provides very stable operation and enhanced voltage regulation.

92mm Fluid Dynamic Bearing
Featuring a 92mm fluid dynamic bearing fan to guarantee superior cooling performance.

80 PLUS Gold Certified and Intel C6/C7 States Ready
Toughpower SFX series saves energy through its high energy efficiency up to 90% and is certified to 80 PLUS® Gold. The series has been optimized to work with all generations of Intel’s processors to achieve maximum energy saving.

Thermaltake SFX-850AH8FKG. Total power: 850 W, AC input voltage: 100 - 240 V, AC input frequency: 50/60 Hz. Motherboard power connector: 24-pin ATX, Motherboard power cable length: 30 cm, SATA power cable length: 150,300 mm. Purpose: PC/Server, Power supply unit (PSU) form factor: SFX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Fan diameter: 9.2 cm. Cables included: AC, CPU, PCIe, Peripheral (Molex), SATA

Power
Total power	850 W
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Input current	10 A
Power Factor Correction (PFC) type	Active
Combined power (+3.3V)	100 W
Combined power (+12V)	849.6 W
Combined power (+5V)	100 W
Combined power (-12V)	3.6 W
Combined power (+5Vsb)	15 W
Max output current (+3.3V)	20 A
Max output current (+12V)	70.8 A
Max output current (+5V)	20 A
Max output current (-12V)	0.3 A
Max output current (+5Vsb)	3 A
Efficiency	100%
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under power
Ports & interfaces
Motherboard power connector	24-pin ATX
Motherboard power cable length	30 cm
Number of SATA power connectors	8
SATA power cable length	150,300 mm
Peripheral (Molex) power connectors (4-pin)	4
Peripheral (Molex) power cable length	150,300 mm
PCI Express power connectors (6+2 pin)	2
PCI Express power connectors (16-pin)	1
PCI Express power cable length	40 cm
Floppy disk drive cable length	15 cm
PCI Express connector	Y
Cabling type	Modular
Performance
Purpose	PC/Server
Power supply unit (PSU) form factor	SFX
80 PLUS certification	80 PLUS Gold
Supported motherboard form factors	ATX, micro ATX, Mini-ATX, Mini-ITX
ATX version	3.0
Silent mode	Y
Noise level	29.8 dB
Bearing technology	FDB
Mean time between failures (MTBF)	10000 h
Design
Product colour	Black
Cooling type	Active
Fan diameter	9.2 cm
Number of fans	1 fan(s)
Fan location	Top
On/off switch	Y
Operational conditions
Operating temperature (T-T)	0 - 45 °C
Storage temperature (T-T)	-40 - 70 °C
Operating relative humidity (H-H)	5 - 85%
Storage relative humidity (H-H)	5 - 95%
Weight & dimensions
Width	125 mm
Depth	100 mm
Height	63.5 mm
Weight	1 kg
Technical details
Sustainability certificates	CB, CCC, CE, Federal Communications Commission (FCC), Low Voltage Directive (LVD)