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ASUS · 850 W · ATX

ASUS ROG STRIX 850W

ATX 2.4 · 80 PLUS Gold · Modular

Capability
77
Cap / price
37
Wattage value
33
Amazon
$209
ASUS ROG STRIX 850W
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$209
Not currently available Updated Nov 24, 2025
Capability77.2
Capability / price36.9
Wattage value32.5
$209 on Amazon PSU table Compare this PSU

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Written analysis

ASUS ROG STRIX 850W at a glance

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

The calculated capability score is 77.2, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 70 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 70.00 A per rail. Certifications include 80 PLUS Gold.

Current value

At $209, price per kilowatt is $245.88. Capability / price is 36.9 and wattage value is 32.5. 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 STRIX 850W
Launch price
—
Amazon price
$209
Amazon availability
Not currently available
Price updated
Nov 24, 2025

Power & efficiency

Wattage
850 W
Efficiency
80 PLUS Gold
Recorded efficiency
91%
Warranty
10 years

Value

Amazon price
$209
Price / kW
$245.88
Capability
77.2
Capability / price
36.9
Wattage value
32.5

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
70 A
+5V output
20 A
+3.3V output
20 A
+12V rails
1
Max amps / rail
70.00 A

Cooling & build

Fan size
135 mm
Fan stop
Yes
Certifications
80 PLUS Gold

Additional information

Also listed as
ROG STRIX 850W

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.

Features an Aluminum Case that is coupled to the internal power transformer, helping to reduce temperatures and noise levels. heatsink to reduce temperatures and noise levels.

Large ROG heatsinks cover critical components, delivering lower temperatures and noise than reference designs.

Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.

Dual ball fan bearings can last up to twice as long as sleeve bearing designs.

0dB Technology lets you enjoy light gaming in relative silence.

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