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

be quiet! · 1000 W · ATX

be quiet! Straight Power 12 1000W

ATX 3.1 · 80 PLUS Platinum · Modular

Capability: 81
Cap / price: 15
Wattage value: 15
Amazon: $550

View be quiet! Straight Power 12 1000W Gallery in high resolution

Available on Amazon Updated Aug 30, 2026

Capability81.0

Capability / price14.7

Wattage value14.5

$550 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

be quiet! Straight Power 12 1000W at a glance

The be quiet! Straight Power 12 1000W is a 1000 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Platinum. Cables are modular.

The calculated capability score is 81.0, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 83 A.

Best fit: Systems whose component power budget calls for a supply rated at 1000 W or more.

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 83.30 A per rail. Certifications include 80 PLUS® Platinum.

Current value

At $550, price per kilowatt is $550.00. Capability / price is 14.7 and wattage value is 14.5. 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: be quiet!
PSU: be quiet! Straight Power 12 1000W
Launch price: —
Amazon price: $550
Amazon availability: Available
Price updated: Aug 30, 2026

Power & efficiency

Wattage: 1000 W
Efficiency: 80 PLUS Platinum
Recorded efficiency: 93%
Warranty: 10 years

Value

Amazon price: $550
Price / kW: $550.00
Capability: 81.0
Capability / price: 14.7
Wattage value: 14.5

Platform & size

ATX generation: 3.1
Form factor: ATX
Dimensions: 160 x 150 x 86 mm
Modular: Yes
Fanless: No

Electrical

Input voltage: 100-240
+12V output: 83 A
+5V output: 25 A
+3.3V output: 25 A
+12V rails: 1
Max amps / rail: 83.30 A

Cooling & build

Fan size: 135 mm
Fan stop: No
Certifications: 80 PLUS® Platinum

Additional information

Also listed as: Straight Power 12 Power Supply Unit 1000 W
Color: Black

Amazon

Price history

Nearby capability

Similar PSUs

Power supplies close to be quiet! Straight Power 12 1000W on calculated capability. Open the PSU table to sort, filter, and compare side by side.

be quiet! be quiet! Pure Power 12 M 1000W 1000 W · ATX · Modular

80.6

80.0

$100

Cooler Master Cooler Master MWE Gold 1050 V2 1050 W · ATX · Modular

80.9

33.7

35.0

$240

Thermaltake Thermaltake Toughpower GF A3 1050W 1050 W · ATX · Modular

80.9

47.6

49.4

$170

Corsair Corsair HX1000i 1000 W · ATX · Modular

81.0

34.5

34.0

$235

ASUS ASUS ROG Strix 1000W Platinum 1000 W · ATX · Modular

81.0

37.2

36.8

$217

be quiet! be quiet! Straight Power 12 1000W This PSU

81.0

14.7

14.5

$550

Lian Li Lian Li Edge Series-1000W 1000 W · ATX · Modular

81.0

38.6

38.1

$210

be quiet! be quiet! Power Zone 2 1000W 1000 W · ATX · Modular

81.3

47.9

47.1

$170

be quiet! be quiet! Pure Power 13 M 1000W 1000 W · ATX · Modular

81.3

58.1

57.2

$140

Compare these in the PSU table

Discussion

Comments on be quiet! Straight Power 12 1000W

No comments yet.

Vendor copy

Amazon listing details

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

W128428697

be quiet! Straight Power 12 1000W at a glance

Platform and cooling

Current value

General

Power & efficiency

Value

Platform & size

Electrical

Cooling & build

Additional information

Price history

Similar PSUs

Comments on be quiet! Straight Power 12 1000W

Amazon listing details

Your privacy choice