Best PSU For i9-12900K (RGB, Gaming, 1000W, 850W, 750W) 2021

Best PSU For i9-12900K

If you are an Intel i9 core user looking for the best power supply for i9-12900k CPU, you have come to the correct place. However, it’s not simple to find the best power supply. Before purchasing a power supply, you must examine all of its characteristics. For example, if you have a computer system that runs at a high load and you buy a low load power supply, it may crash, and your system will not function correctly.   

All power supplies have been designed to provide unequaled performance for any PC while also delivering power efficiently at low to medium loads. Your system will run cool thanks to the power supply’s excellent efficiency of up to 80%. This very efficient and powerful PSU has a cooling fan for superior cooling performance even in the most demanding settings. 

We have included one fanless power supply in this post, specifically for gamers who want optimum stability and performance. The fanless design reduces noise and improves airflow, allowing the system to work at its best. Additionally, a fanless kit is available for reducing space by mounting the power supply within the chassis. 

The modular and non-modular power supplies are identical in terms of functionality and appearance. The difference is that with modular power supplies, you may attach them whatever you like, but with non-modular power supplies, all the wires are fixed. 

The power’s major function is to manage the computer’s electrical voltage and convert AC to DC. We have compiled a selection of hand-picked items that are in great demand on the market below. So, pick your product from the table below.

Also See: – Best Motherboard for i7-12700K

Expertly Tested Best PSU For i9-12900K 

  1. CORSAIR AX Series, AX1000
  2. EVGA Supernova 1000 T2
  3. Seasonic PS SSR-700TL
  4. Thermaltake Toughpower iRGB
  5. CORSAIR HXi Series, HX750i,
  6. SilverStone Technology SX800-LTI
  7. Straight Power 11 Platinum 750W

1. CORSAIR AX Series, AX1000, 1000 Watt, 80+ Titanium Certified, Fully Modular Power Supply 

One of today’s most efficient power supplies, the Corsair AX Series Titanium is the ideal all-around power supply for any PC design. This PSU is great for any system requiring a lot of power. Its 80+ Titanium certification helps you get the maximum performance from your components. It also whispers quiet, so no one will know it’s on.

The AX line of power supply is designed to provide unmatched performance for any PC. With Zero RPM fan mode for low to medium loads, the AX PSU’s sophisticated design ensures the most efficient operation for your system. In addition, the AX guarantees that your system will run cool even when you’re driving it hard, thanks to its high efficiency of up to 80%.  

A 135mm cooling fan is included with this incredibly efficient and powerful PSU for superb cooling performance even in the most demanding settings. At low to medium loads, the Zero RPM fan mode ensures smooth operation with almost no turbulence. At low to medium loads, it ensures near-silent operation with almost no noise—1000W of continuous power for lightning-quick system startup and outstanding stability. 

It has a high level of compatibility as well as high-quality performance. The 80+ Titanium certification assures the finest power efficiency in the world and supports Intel Core Processors from the 15th and 16th generations. It has a zero RPM fan mode for near-silent operation at low to medium loads, making it ideal for home theatre PCs, multimedia PCs, and tiny form factor DIY builds. ERP Lot 6 2013 certification assures that a power supply will work as efficiently as a similar unit rated at a greater wattage under real-world load situations.   

2. EVGA Supernova 1000 T2, 80+ Titanium 1000W, Fully Modular, ECO Mode, Includes Free Power On Self Tester, Power Supply 

The EVGA Supernova 1000 T2 Titanium Fully Modular Power Supply is the industry’s most sophisticated power supply unit. EVGA has used its experience in the power supply industry to build the Supernova 1000 T2, which is unmatched in quality, performance, and design. The Supernova 1000 T2 is 80 PLUS Titanium certified and comes with a 10-year guarantee with a continuous power rating of 1000W. 

For almost a decade, EVGA has been the number one NVIDIA-approved partner in the entry-level enthusiast market. A single, massive 140mm ball bearing fan controls the fan, ensuring a smooth and efficient power transmission at an economical price. This model is a wonderful pick for your new setup, with high-quality construction and the EVGA dependability you know and love.  

The EVGA SuperNOVA T2 Power Supplies are unrivaled in power and production. These machines have an incredible 94+ efficiency rating and EVGA ECO mode, which ensures no fan noise during low to medium load operations.

A market leader in high-quality power supply at a reasonable price. This PSU has an efficiency rating of 94 percent under average loads, according to its 80 PLUS Titanium grade. The EVGA SuperNova 1000 T2 has a small footprint, measuring only six 3/4′′ (170mm) deep, but it’s powerful enough to offer 2000 watts of continuous power to even the most demanding users. 

 This power supply is created with fully modular cables and an internal cable structure to enable optimum ventilation and cooling for great dependability and stability. It has the latest in high-quality Japanese solid-state components. A ten-year Japanese guarantee, completely modular connections, temperature sensors, and fully shielded voltage rails for improved efficiency and stability are among the other features. 

Also See: – Best Motherboard For i9-12900K

3. Seasonic PS SSR-700TL Prime FANLESS TX-700 700W ATX 80+ Titanium Fully Modular 

With a low-cost tag, the Seasonic SSR-700TL provides an excellent blend of performance and efficiency. With a maximum 700W continuous output, this PSU boasts a combined Silent Fanless Design for greater system stability and lower running costs. Additionally, the fanless design improves power efficiency.  

This power supply is designed for NVIDIA SLI or AMD CrossfireX systems, and it provides unmatched performance in a fanless ATX form factor. The SSR-700TL is a completely modular design with a 20A 12V rail and a 7A PCIe rail that can run two high-performance graphics cards or one card plus the appropriate CPU voltage. 

This power supply is advanced for gamers who always desire the highest level of reliability and performance. This fanless design reduces noise and improves airflow, allowing the system to function at its best. A fanless kit is available for reducing space by mounting the power supply within the chassis. Only high-quality components are used to provide consistent, dependable operation. This unit helps give optimal stability and power for any demanding application thanks to a variety of innovative features.  

It should be simple to upgrade your Elgato game streaming app, no matter what software you use. We understand that using an external disc, USB flash drive, or another computer may be inconvenient, but if you’re having trouble downloading or upgrading your Elgato game streaming software, try these first. Check view our troubleshooting guide for help with other Elgato devices, such as the sibling product Game Capture HD.  

This incredibly strong power supply is suited for high-performance systems. Furthermore, this power supply has a fanless design, which means it does not have a cooling fan, which helps to keep the PSU quiet even while in use. This device has a continuous power output of up to 750 watts and a peak power output of up to 650 watts. It also features a fully modular design and compatibility for a variety of connection types, allowing you to select the finest cords for your system. 

4. Thermaltake Toughpower iRGB Plus 1050W 80+ Platinum Digital RGB LED Smart Zero Fan SLI/Crossfire Ready ATX12V v2.4 / SSI EPS v2.92 Power Supply 10 YR Warranty PS-TPI-1050F2FDPU-1 

The Thermaltake Toughpower iRGB Plus 1050W 80+ Platinum PSU will give your gaming machine a professional look. This power supply is made to light up with 16.8 million RGB LED colors. In addition, users may personalize their power supply with the 12 addressable RGB LEDs and seven lighting choices available at their fingertips. 

Tougher, stronger, and more capable. This power supply gives your construct more of everything. The fan keeps cool throughout strong loads thanks to an advanced circuit design that decreases noise. 

 Its whisper-quiet operation is great for quieter constructions, and the ability to control all 12 RGB LEDs and seven lighting settings at once offers you complete control. 6+2 pin PCI-E 8pin EPS12V & SATA power connectors, 6+2 pin EPS12V & SATA connection through adapter cables, RGB/addressable RGB LED connector is among the connectivity choices. The integrated RGB strip may be connected directly to the FAN controller or to the motherboard through the RGB/addressable RGB LED connection. 

For a beautiful lighting effect, there are 8 million RGB LEDs and 12 addressable RGB LEDs. You can configure each LED to execute a number of duties or alter the color of each channel separately with seven lighting options at your fingertips. The Toughpower iRGB Plus also allows you to connect the fan’s fan speed controller to your motherboard, enabling you to alter the fan speed with a single click on the user-friendly LCD interface. 

Try out the first power supply for gamers and workstation users that is 100 percent Platinum certified. Platinum components can only provide true power and efficiency, and this device is no exception. The Toughpower 1050W is designed to function with ease for your most demanding applications, with a completely modular cable design, over 80% efficiency, and 80 PLUS® Platinum certification.  

5. CORSAIR HXi Series, HX750i, 750 Watt, 80+ Platinum Certified, Fully Modular – Digital Power Supply 

The HXi Series is one of CORSAIR’s high-end DC to DC designs. CORSAIR has unveiled a new series that blends efficiency, adaptability, and performance into a single unit. A range of enthusiast-level variants are available, each catering to any PC setup’s performance and efficiency requirements. 

Corsair created our HXi Series PSUs to take full use of your PC’s performance and optimize the system’s capabilities. Our latest series of high-performance power supplies come in 650 and 750-watt capacities and boasts an efficiency rating of 80 PLUS Platinum. A low-profile black modular cable design has also been incorporated, eliminating cable clutter and enhancing airflow for quieter operation. When in ZeroRPM mode, you may configure the PSU to finish its load in a single second, resulting in significantly decreased fan speed and noise when not in use. Corsair’s HXi Series gives you greater power, better efficiency, and a superior system.  

This PSU prioritizes quiet with a minimal operating noise of about 17dBA at full load. It has a low noise level of 35dB at idle and a maximum noise level of 38dBA. This is made possible by Corsair’s custom-designed fanless design, which includes a passive cooling system. In addition, the PSU’s ZeroRPM mode allows it to run quietly even when the load is as low as 1 Watt, making it ideal for use as a fanless PC power supply or as part of a silent PC construction. 

The Corsair HXi Series power supply is a high-performance design that can provide consistent, steady power while being extremely efficient. Flat black cables are used in this model to reduce the number of wires in your design while maintaining clean lines and eliminating connection clutter. 

6. SilverStone Technology SX800-LTI 800W, SFX-L, 80 Plus Titanium, Modular Power Supply with Japanese Capacitors  

The SilverStone SX800-LTI is an 80 PLUS Titanium-certified power supply with a clean and straightforward design. It contains a single +12V rail with a maximum capacity of 66A that outputs the most power while being fully silent. It also boasts a long list of characteristics, including a continuous rated continuous power output of 24 hours a day, a highly efficient single +12V rail with a maximum capacity of 66A, and a completely modular cable design that ensures compatibility with any chassis. 

The entirely modular cable design means all cables are flat and sleeved, making them far easier for enthusiasts and allowing for improved ventilation. The SX800-LTI is made in Japan and is intended for optimal efficiency with 80 PLUS Titanium certified efficiency criteria. It also employs high-quality Japanese capacitors throughout its whole build and is entirely compatible with any chassis owing to its totally modular wires. This is one of the most energy-efficient power sources available. 

SilverStone’s high-quality power supply is an excellent choice for your home or workplace. With a 66A single +12V rail, you’ll have ample power for even the most demanding computer workloads. The 80 PLUS Titanium accreditation assures maximum efficiency with minimal power loss. A silent 120mm fan provides superior airflow for effective cooling with an innovative semi-fan.   

SilverStone’s high-quality power supply is an excellent choice for your home or workplace. With a 66A single +12V rail, you’ll have ample power for even the most demanding computer workloads. The 80 PLUS Titanium accreditation assures maximum efficiency with minimal power loss. A silent 120mm fan provides superior airflow for effective cooling with an innovative semi-fan.

This PSU is quieter than comparable PSUs on the market because of its sophisticated semi-fan technology. Traditional fans are inefficient and waste a lot of energy. A great option for building an energy-efficient home or business PC. To power your gaming system and other gadgets, you’ll need a dependable power supply unit. The SFX form factor enables a small, high-efficiency design that works with a variety of power supplies.

For enhanced performance and durability, the innovative SFX design delivers a single +12V rail with 66A. At lesser loads, the 80 PLUS Titanium standard assures that this unit will outperform the competition. All Japanese capacitors work together to increase power dependability and longevity. 

This SilverStone device has a 120mm fan for cool operation and a noise-reducing semi-fan design. You won’t have to worry about downtime for maintenance or replacement if you use this high-quality PSU to power your system. This device offers all of the simplicity and great performance you’ll need to keep your system functioning smoothly at all times. 

The sleeved sleeving cables enable ideal ventilation while still being quiet and energy-efficient. The PSU has an 80PLUS Titanium efficiency rating, and the voltage control is of the most recent generation. For high-performance graphics cards, quad video cards, and numerous hard drives, a single +12V rail with 66A delivers high power output. Users may adjust their systems as needed using the +12V cable selection. The modular cable architecture of the power supply reduces clutter for a neat and tidy appearance. 

7. Be quiet! Straight Power 11 Platinum 750W, BN642, Fully Modular, Power Supply  

Be quiet; Straight Power 11 Platinum 750W sets a new standard for systems that require almost silent operation and high efficiency. With an excellent efficiency of up to 93.7%, 80 PLUS Platinum accreditation is a must-have. Thanks to Silent Wings, the operation is virtually silent. Three fans (135mm) The PSU case has a large funnel-shaped fan hole for enhanced airflow intake. For improved cooling and endurance, the DC side of the PSU is wire-free. Cables that are modular for optimum construction flexibility LLC SR and DC-to-DC converters provide improved voltage control and stability. Four high-capacity 12V rails Four PCI-Express ports provide powerful multi-GPU functionality. Capacitors certified at 105°C in Japan provide stability and dependability. ERP and Energy Star 7 0 ready 5-year manufacturer’s product conception, design, and quality control in Germany 

Straight Power 11 Platinum 750W is a power supply with an efficiency rating of 80 PLUS Platinum and almost no noise. The Silent Wings 135mm fan intakes a lot of air and keeps the PSU cool. The PSU case has a funnel-shaped fan hole for enhanced airflow intake. On the DC side of the PSU, there are no wires for better cooling and endurance. Modular cabling allows you maximum flexibility in the construction process.

 Be Quiet; Straight Power 11 Platinum 750W is an 80 PLUS Platinum certified power supply that can give up to 750 Watts of power to system builders with high-end needs. In addition, the PSU has a minimum efficiency of 105 percent (full load) and can save you money on electricity when you’re not using it. A cutting-edge power supply with a high-efficiency rating of 80 PLUS Platinum. This power supply has a 135mm Silent Wings fan that operates at a whisper-quiet level, allowing it to run up to 20% cooler. 

Following are some shopping tips for you to consider o the time of your purchase.


To begin, you must determine if the PSU’s wiring is modular or non-modular. You can set up the wires as you like in a modular system, but you can’t do so in a non-modular system since they’ve already been fixed. 


Every power supply has a fan to keep all internal components cool and prevent them from overheating. Fanless power supplies are available in a small number of cases, although they are more costly than power supplies with fans. The fan’s speed is determined by the amount of electricity used; it will spin faster if the fan is working under a heavy load. 


If your system uses 500 watts, you will need a PSU to handle 600 watts to 1060 watts. It empowers you to work with potential without having to trouble about crashing.

Also See: Best PSU For i5-12600KBest PSU For i7-12700K

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