The Best 1200 Power Supply - Comprehensive Guide to Get the Most out of Your PC
John Mason Jun 4, 2023 5:25 PM
1200 power supply is a type of power supply, which provides a nominal output voltage of 1200 watts. It is designed to be used in applications where high power output is required, such as industrial systems, telecommunications, and data processing. It is also suitable for powering large-scale appliances, such as air conditioners, refrigerators, and washing machines. This type of power supply is known for its durability and reliability, as it can handle high levels of power without any issues. It is also energy-efficient and helps reduce energy costs. It is important to note that the wattage rating of a 1200 power supply is not the same as its actual output power, and it is important to select a power supply with a suitable output voltage for your application.

Top Products
No | Image | Product | Score | Check |
---|---|---|---|---|
1 | ![]() | Corsair HX Series | 9.9 | Check Price |
2 | ![]() | Corsair RM1200x Shift Fully Modular ATX Power Supply | 9.7 | Check Price |
3 | ![]() | be quiet! Straight Power 11 Platinum 1200W | 9.6 | Check Price |
4 | ![]() | ROG Thor 1200W Platinum II | 9.4 | Check Price |
5 | ![]() | SilverStone Technology HELA 1200R Platinum ATX 3.0 / PCIe Gen 5 1200W Fully Modular Power Supply | 9.2 | Check Price |
#1:Corsair HX Series
Verdict
The Corsair HX Series, HX1200, 1200 Watt, Fully Modular Power Supply, 80+ Platinum Certified, Model Number: CP-9020140-NA is a reliable and efficient power supply with a long 10-year warranty and a 135mm FDB fan for silent operation.
Specs
- 80 Plus Platinum certification
- Fully Modular
- 10-year warranty
- 135mm FDB fan with Zero RPM mode
- Plus12V Rail Switch
- 8 PATA connector
Pros
- Runs cooler and uses less power than less efficient power supplies
- Allows user to only use the cables they need for a cleaner looking build with better airflow
- Backed by Corsair's legendary technical support and customer service
- Virtually silent operation at low loads
- Gives the user the choice of a single plus12V rail or multiple plus12V rails
Cons
None.
#2:Corsair RM1200x Shift Fully Modular ATX Power Supply
Verdict
The Corsair RM1200x Shift Fully Modular ATX Power Supply is an excellent choice for PC builders who need a reliable and efficient power supply with modern features.
Specs
The Corsair RM1200x features a fully modular micro-fit PSU connector, Intel ATX 3.0 certification, zero RPM fan mode support, 100% 105°C-rated Japanese electrolytic capacitors, and modern standby compatible.
Pros
- Fully Modular Micro-Fit PSU Connectors
- Intel ATX 3.0 Certified
- Zero RPM Fan Mode Support
- 100% 105°C-Rated Japanese Electrolytic Capacitors
- Modern Standby Compatible
Cons
The only con to the Corsair RM1200x is the price, which may be too high for some users.
#3:be quiet! Straight Power 11 Platinum 1200W
Verdict
The be quiet! Straight Power 11 Platinum 1200W is an excellent power supply that offers exceptional performance with its 80 PLUS Platinum efficiency and silent operation.
Specs
The be quiet! Straight Power 11 Platinum 1200W is a fully modular power supply with a BN645 rating and 80 PLUS Platinum efficiency (up to 93.9%). It has a virtually inaudible Silent Wings 3 135mm fan with a funnel-shaped fan opening for high airflow intake. The power supply also has wire-free internal design on the DC side for improved cooling and longevity, as well as modular cables for maximum build flexibility.
Pros
- 80 PLUS Platinum efficiency (up to 93 9%)
- Virtually inaudible Silent Wings 3 135mm fan
- Funnel-shaped fan opening of the PSU case for high airflow intake
- Wire-free inside the PSU on the DC side for enhanced cooling and longevity
- Modular cables for maximum build flexibility
Cons
None.
#4:ROG Thor 1200W Platinum II
Verdict
The ROG Thor 1200W Platinum II is a powerful and reliable power supply, with its Lambda A++ Certification, ROG heatsinks, 135mm PWM Fan, 0dB Mode, OLED Panel, Sleeved Cables, Aura Sync, and 10 Year Warranty.
Specs
- 1200 Watt
- Fully Modular
- 80+ Platinum
- Lambda A++ Certified
- ROG heatsinks
- 135mm PWM Fan
- 0dB Mode
- OLED Panel
- Sleeved Cables
- Aura Sync
- 10 Year Warranty
Pros
- High efficiency rating and power output
- Comes with a 10 year warranty
- Fully modular design
- Quiet operation with 0dB and PWM fan options
- Aura Sync compatibility for customizing lighting effects
Cons
The price point is quite high for a 1200 watt power supply.
#5:SilverStone Technology HELA 1200R Platinum ATX 3.0 / PCIe Gen 5 1200W Fully Modular Power Supply
Verdict
The SilverStone Technology HELA 1200R Platinum ATX 3.0 / PCIe Gen 5 1200W Fully Modular Power Supply is a powerful and reliable power supply that is designed for high-end gaming and workstation systems. It is certified for Platinum efficiency and features a 24/7 continuous power output with 50℃ operating temperature. It also has an ultra-silent 135mm FDB fan with semi-fanless function. This power supply is an excellent choice for those who need a reliable and powerful power supply.
SpecsSpecs
- Equipped with Gen5 12VHPWR PCIe connector, meeting Intel ATX 3.0 specification standard
- Cybenetics Platinum efficiency certification
- 24/7 continuous power output with 50℃operating temperature
- Fully Modular design
- All Japanese electrolytic capacitors
- Ultra silent 135mm FDB fan with semi-fanless function
Pros
- Certified for Platinum efficiency
- 24/7 continuous power output with 50℃ operating temperature
- Fully Modular design
- Ultra silent 135mm FDB fan with semi-fanless function
Cons
The only downside is that this power supply is quite expensive.

- Score9.9
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandCorsair
- Prime

- Score9.7
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- BrandCorsair
- Prime

- Score9.6
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- Brandbe quiet!
- Prime

- Score9.4
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandASUS

- Score9.2
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandSilverStone Technology
- Prime

- Score8.9
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandPhanteks
- Prime

- Score8.7
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandSilverStone Technology
- Prime

- Score8.6
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandSilverStone Technology

- Score8.3
Apcstart Score is a ranking system developed by Apcstart.com. Apcstart score has no relationship or impact from any manufacturers or sales agent websites. Learn more
- BrandMAINGEAR

- Score8.1
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- BrandThermaltake

- Score7.9
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- BrandCOUGAR
- Prime

- Score7.8
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- BrandEVGA
Last update on 2023-06-04 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
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Best 1200 Power Supply: Top Rated Models for 2023. Image source: Amazon.com
What is a 1200 Power Supply?
A 1200 power supply is a type of power supply that is rated to output 1200 watts of power. It is designed to provide a reliable and efficient source of power for a variety of applications.
What types of applications use a 1200 Power Supply?
A 1200 power supply can be used in a variety of applications such as computers, gaming consoles, and other electronic devices. It is also used in industrial applications where a reliable and consistent power source is needed.
What are the benefits of using a 1200 Power Supply?
Using a 1200 power supply provides a number of benefits. It is reliable and efficient, providing consistent power output. It is also designed to protect against power surges and other power related issues.
What should I consider when selecting a 1200 Power Supply?
When selecting a 1200 power supply, you should consider the type of application it will be used in, the amount of power it needs to output, and its compatibility with other components. It is also important to consider the size of the power supply, as well as its overall cost.
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The Best 1200 Watt Power Supply for Your Needs: Our Top Picks. Image source: Amazon.com
After careful consideration, I believe Corsair HX Series is the best 1200 power supply for its high performance and great value. The product has been tested and approved by the experts and is known for its reliability. It offers the best features at an affordable price, making it a great choice for those looking for a reliable power supply.