Blog

Build PC Log in Register

Compute Processors & graphics

Compare the hardware that determines system and gaming performance.

CPU comparison GPU comparison Graphics cards

Foundation Core components

Choose compatible components for a responsive, balanced system.

Motherboards RAM memory NVMe SSDs

System Power, cooling & chassis

Complete the build with reliable power, thermals, and physical compatibility.

Power supplies PC cases CPU coolers Monitors

Build intelligently Start with your priorities

Assemble a compatible system and see how every selection affects performance and value.

Open PC Builder Search the database

Performance lab Understand the numbers

Explore normalized benchmark data, value scores, and side-by-side rankings.

Explore performance charts

CPU Processor charts

Application, gaming, combined, and value-focused CPU rankings.

Performance charts Price/performance Full CPU table

GPU Graphics charts

Compare 1080p, 1440p, and 4K performance across GPU generations.

GPU bar charts Full GPU table Retail cards

Learn Guides & methodology

Learn how PCSpecChart evaluates components and how to use each tool.

User guides About PCSpecChart Contact

ASUS · 850 W · ATX

ASUS Prime 850W Gold

ATX 3.1 · 80 PLUS Gold · Modular

Capability: 71
Cap / price: 53
Wattage value: 51
Amazon: $134

View ASUS Prime 850W Gold Gallery in high resolution

Available on Amazon Updated Aug 30, 2026 Prime FBA

Capability71.3

Capability / price53.2

Wattage value50.8

$134 on Amazon PSU table Compare this PSU

Size this PSU for a complete buildThe Builder unlocks PSU choices after it knows the CPU, GPU, case format, and estimated demand. Calculate build power first

Written analysis

ASUS Prime 850W Gold at a glance

The ASUS Prime 850W Gold is a 850 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular.

The calculated capability score is 71.3, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 8 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 150 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 $134, price per kilowatt is $157.64. Capability / price is 53.2 and wattage value is 50.8. 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 Prime 850W Gold
Launch price: —
Amazon price: $134
Amazon availability: Available
Price updated: Aug 30, 2026

Power & efficiency

Wattage: 850 W
Efficiency: 80 PLUS Gold
Recorded efficiency: 90%
Warranty: 8 years

Value

Amazon price: $134
Price / kW: $157.64
Capability: 71.3
Capability / price: 53.2
Wattage value: 50.8

Platform & size

ATX generation: 3.1
Form factor: ATX
Dimensions: 150 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: No
Certifications: 80 PLUS Gold

Additional information

Also listed as: Prime 850W Gold
Color: AP-850G

Amazon

Price history

Nearby capability

Similar PSUs

Power supplies close to ASUS Prime 850W Gold on calculated capability. Open the PSU table to sort, filter, and compare side by side.

ASUS ASUS Prime 750W Gold 750 W · ATX · Modular

69.3

77.0

66.7

$90

ASUS ASUS ROG Strix 550W Gold 550 W · ATX · Modular

71.2

88.9

55.0

$80

ASUS ASUS Prime 850W Gold This PSU

71.3

53.2

50.8

$134

Corsair Corsair RM1000e 1000 W · ATX · Modular

71.6

42.1

47.1

$170

be quiet! be quiet! Pure Power 13 M 550W 550 W · ATX · Modular

71.9

32.8

20.1

$219

MSI MSI MAG A650GL 650 W · ATX · Modular

72.8

91.0

65.0

$80

Thermaltake Thermaltake Toughpower GF A3 650W 650 W · ATX · Modular

72.8

73.6

52.5

$99

be quiet! be quiet! Pure Power 12 M 650W 650 W · ATX · Modular

73.5

18.9

13.3

$390

be quiet! be quiet! Pure Power 12 650W 650 W · ATX · Fixed

73.5

72.2

51.1

$102

Compare these in the PSU table

Discussion

Comments on ASUS Prime 850W Gold

No comments yet.

Vendor copy

Amazon listing details

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

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

An 80 Plus Gold Certification is the result of low-ESR capacitors and other premium components

ATX 3.0 Compatible: ASUS Prime Gold is compliant with ATX 3.0 guidelines and bundled with a 16-pin PCIe cable that is compatible with PCIe Gen 5.0 graphics cards

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

8-year warranty included