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ASUS · 850 W · ATX

ASUS ROG Thor 850W Platinum II

ATX 2.4 · 80 PLUS Platinum · Modular

Capability
78
Cap / price
41
Wattage value
36
Amazon
$191
$191
Not currently available Updated Mar 1, 2026
Capability77.9
Capability / price40.8
Wattage value35.6
$191 on Amazon PSU table Compare this PSU

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Written analysis

ASUS ROG Thor 850W Platinum II at a glance

The ASUS ROG Thor 850W Platinum II is a 850 W ATX power supply built to the ATX 2.4 generation. Efficiency is listed as 80 PLUS Platinum. Cables are modular. It supports fan-stop at low load.

The calculated capability score is 77.9, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 71 A.

Best fit: Performance desktops whose calculated component load fits comfortably within a 750–999 W supply.

Platform and cooling

Dimensions are listed as 160 x 150 x 86 mm. Cooling fan size is 135 mm. The unit uses 1 +12V rail at up to 71.00 A per rail. Certifications include 80 PLUS® Platinum.

Current value

At $191, price per kilowatt is $224.56. Capability / price is 40.8 and wattage value is 35.6. Compare nearby supplies below; wattage alone does not determine value.

Unit data

Full specifications

Wattage, efficiency, platform size, electrical outputs, connectors, cooling, and value in one technical sheet.

General

Manufacturer
ASUS
PSU
ASUS ROG Thor 850W Platinum II
Launch price
Amazon price
$191
Amazon availability
Not currently available
Price updated
Mar 1, 2026

Power & efficiency

Wattage
850 W
Efficiency
80 PLUS Platinum
Recorded efficiency
93%
Warranty
10 years

Value

Amazon price
$191
Price / kW
$224.56
Capability
77.9
Capability / price
40.8
Wattage value
35.6

Platform & size

ATX generation
2.4
Form factor
ATX
Dimensions
160 x 150 x 86 mm
Modular
Yes
Fanless
No

Electrical

Input voltage
100-240
+12V output
71 A
+5V output
20 A
+3.3V output
20 A
+12V rails
1
Max amps / rail
71.00 A

Cooling & build

Fan size
135 mm
Fan stop
Yes
Certifications
80 PLUS® Platinum

Additional information

Also listed as
ROG Thor 850W Platinum II
Color
ROG-THOR-850P2-GAMING

Amazon

Price history

Nearby capability

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Lambda A++ Certification confirms the latest Thor wields menacing power in absolute stealth.

ROG heatsinks cover critical components, delivering lower temperatures and reduced noise.

A 135mm Axial-tech fan with PWM control delivers lower noise and keeps thermals in check.

Built with 100% Japanese capacitors and other premium components to achieve 80 Plus Platinum Certification.

OLED display monitors power draw in real time.