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Best Power Supply for i7-9700k

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The power supply is one of the most important components of your PC. It is actually one of the most overlooked components of your PC because of its need for safety and performance. However, the choice of power supply lies in the power of your processor. Whether your processor is suitable for the power supply you choose matters the most. The Core i7 9700K is one of the most preferred CPUs in the market. It is famous for its high-end performance and great output with low power consumption. Though power supply is the sustainable area where an average builder can sustain on, it is often treated insignificantly. To max out all the performance, you have to choose the best Power Supply for i7-9700K. The perfect power supply for your build should have the features of being reliable, to protect your machine from issues like overclocking and surges.

Without a good power supply, your PC is nothing but trash. Your computer might lose power efficiency or become a burning conflagration which is worse. As a result, you might have to replace the power supply or at worse all the components. Thus, careful consideration is very important here.

To find the ideal power supply for your build, you must figure out how much power you are going to need. You must make sure that your power supply has enough wattage to power all your PC components efficiently, especially the CPU. Finding the perfect power supply is a bit challenging these days. We have narrowed down some of the best efficient power supplies here. We hope it should make you satisfied with the performance and help you find what you are looking for.

The 7 Best Power Supply for i7-9700k

ModelDetailsPrice
550W Check Price
1000W Check Price
500W Check Price
650W Check Price
1000W Check Price
600W Check Price
850W Check Price

EVGA SuperNOVA G3 550W 80+ Gold

EVGA SuperNOVA G3 550W 80+ Gold
Specification
PSUEVGA SuperNOVA G3 550W 80+ Gold
Power550W
Input Voltage100 – 240V
Input Frequency range50 – 60Hz
Input AC current10A

EVGA SuperNOVA G3 550W or should I call it the next generation in power. From the award-winning G2 series Power Supplies from EVGA, this power supply is 80+ Gold certified with high efficiency of 90-92% or more in regular loads. Besides, This power supply ensures neat and non-stop power to all the PC components. EVGA SuperNOVA power supply has modular cables, and high-quality Japanese branded capacitors. EVGA’s ECO Intelligent Thermal Control System ensures performance without a fan for mid to low power consumption and also Includes Power ON Self Tester. During low load operations, the ECO Thermal Control Fan System ensures zero fan noise. This feature provides better and improved efficiency for long operations, low power intake, minimized energy costs, and negligible heat activity.

It gives heavy-duty protections that come with OVP (Overvoltage protection); UVP (Under voltage protection), OCP (Overcurrent protection), OPP (over-power protection), and SCP (short circuit protection). It is backed up by a 7-year warranty and Japanese designed excellent capacitors that make it not only a good choice today but also the best choice for your PC tomorrow. Another impressive feature is that it has fully modular cables that reduce clutter and gives better airflow. It ensures heavy-duty protection and is NVIDIA SLI & AMD Crossfire Ready.

Key Features & Downsides

Key Features: EVGA SuperNOVA G3 is 80+ gold certified with 90-92% or more power efficiency. It has a quiet 130mm hydraulic dynamic bearing fan ensuring long durability, quieter, and better performance. It comes with 549.6W of maximum output capacity which can be received at 12V of rail. The input voltage is 100 – 240V whereas the input AC is 10A. With 50 – 60Hz frequency range EVGA SuperNOVA G3 does its job quite well. 

Downsides: It is comparatively a little costly to its predecessors and has the tendency to burn out hard drive. So you should be careful about it. It has large cables that take up extra space and has sky-high OPP.

Pros
  • Fully modular
  • Quiet and highly Efficient
  • Ensures long durability and good reliability
  • Has ECO Thermal Control Fan System that ensures zero fan noise
  • Improved airflow
  • Energy conserving
Cons
  • Over Power Protection or OPP is very high
  • Large or bulky cables
  • Has the tendency to burn out hard drive

Final Thoughts

The EVGA SuperNOVA 550 G3 gets outstanding reviews thanks to its reasonable price and great performance. It has wonderful features that can help your PC to work smoothly without disturbance. It in fact works best for any mid-ranged budget build for any beginner.

Corsair RM1000i 80+ Gold

Corsair RM1000i 80+ Gold
Specification
PSUCorsair RM1000i 80+ Gold
Power1000W
Input Voltage100-240V
Input Frequency range47-63Hz
Input AC current

When it comes to Power supply units, we are sure you are looking for a silent, efficient, and high performing ones. Well, Corsair RM 1000i 80+ Gold is one of them. Corsair RM1000i power supply gives you highly clenched voltage control, silent operation, and Gold-certified efficiency. Also, it includes a fully modular cable management system and a new electrical controller to reduce the wavelets. The wavelets were a little higher in the original RM predecessor series. It is built with Japanese designed 105°C capacitors which are the best choice for high-performance PCs. RM1000i’s 80+ gold certified feature gives efficiency to and operating cost and surplus heat. The Zero RPM fan mode has ensured ultra-low-noise operation at low and medium loads.

Corsair RM1000i has a power efficiency of 1000 watts. This series features Corsair iCUE which makes it very simple and easy to monitor power supply performance. Also, toggling between single-rail and multi rail mode, and controlling fan speed directly from your computer are the best result from iCUE. The fully modular DC cables make build upgrades easy with clean, and awesome-looking results that keep your workspace neat.

Key Features & Downsides

Key Features: The maximum combined wattage of this PSU has a power of 1000W that includes input voltage of 100 – 240V and current ranging from 13A – 6.5A. This power supply also has an input frequency range of 47hz – 63hz

Downsides: The fan sometimes does not turn on.

Pros
  • Reasonable price
  • Includes Japanese designed capacitors
  • Almost noiseless fan
  • 7 years warranty
  • Fully modular
  • 80+ gold certified
  • Clenched voltage control
Cons
  • None

EVGA 500W 80+

Specification
PSUEVGA 500W 80+
Power500W
Input Voltage100-240V
Input Frequency range50 – 60Hz
Input AC current
Max Output40A

EVGA 500W 80 PLUS is a perfect choice for you if you want to build on a low budget. It powers your PC with a value of 500W which is an unbeatable value. It is a solid power supply with great value. This power supply is well built and comes in black. It supports 40A on a single +12V rail that provides more options without having to reduce your components. Also, it saves space with the 500W compact design. It has a well-placed power switch and fully sleeved cables that will keep your workspace neat. Besides, It works very efficiently, easy to install, and also has a 3-year warranty with heavy-duty protection. It has no airflow problems as the PSU has its own vent and has a quiet and intelligent fan that provides near-silent operation.

There are connectors for game cards, dual 12V motherboards, 6 SATA connectors, 3 Molex, and more. EVGA 500W provides the efficient connections and protections needed for basic system builds. It is 80+ white certified which means it will provide 80 percent or more efficiency in regular loads. Moreover, it is an energy-saving Power supply and is relatively quiet. You can install it with your PC very easily and it works efficiently to its point. It has a noiseless and smart fan that gives near-silent function. Furthermore, it gives heavy-duty protections that come with OVP (Overvoltage protection); UVP (Under voltage protection, OCP (Overcurrent protection), OPP (over-power protection), and SCP (short circuit protection). With a 3 year warranty and ultra-light fan, it is the ideal PSU for your build if you have a low budget. 

Key Features & Downsides

Key Features:  EVGA 500W 80+ has an energy value of 500W that is an unbeatable value. It is 80+ white certified. The input Voltage is 100-240V whereas the input frequency range is 50-60 Hz. You will get the max output of 40A at just 12V rail and its capacity is 480W

Downsides: One of the downsides of this power supply is that it is non- modular. It has a bad cable management system that ends up taking extra space.

Pros
  • Well priced for low budget builds
  • Silent in operation
  • 80+ energy efficiency
  • 3 years warranty
Cons
  • Non-modular
  • bad cable management

Final Thoughts

EVGA 500W is recommended for cheap builds. It is silent and efficient. Though having nasty cable management system we would recommend it for cheap builds for its performance.

Thermaltake Smart 650W 80+

Thermaltake Smart 650W 80+
Specification
PSUThermaltake Smart 650W 80+
Power650W
Input Voltage100V-240V~
Input Frequency range47Hz-63Hz
Input AC current10A
Max Output

The Thermaltake has been contributing a lot in the field of tech products. Thermaltake 650W has everything you want in a stable PSU such as good build quality, solid rails, and RGB lighting. It comes with a bunch of high-tech components, Eco-friendly credentials, and leading technology. The 120mm RGB fan comes with seven different colors and three modes. It may not appeal to someone who has zero interest in RGB. But there are a lot of users who do not even buy a simple component without RGB. Thermaltake has certified that Smart 650W 80+ is 80% of bronze with the lowest power loss and ensure work efficiency. The flat modular cable that it has offers enhanced airflow and improved thermal performance. Also, you can route the cables effortlessly. 

Although the 120mm RGB fan and flat module cable cannot be appreciated by everyone, it is a good non-modular 650W. Moreover, price is something we always look for first. It is of a reasonable price and budget-friendly. It is not surprising as Thermaltake has always supplied wood quality components for budget builds. Though it is big and clunky, it does its job quite well. 

Key Features & Downsides

Key Features: Thermaltake Smart 650W features 780W of Peak Output Capacity, 650W of Max Output Capacity, and input current of 10A. Moreover, it includes 47Hz-63Hz of input frequency range, and minimum 100V and a maximum 240V of input Voltage. 

Downsides: The cables are either too long or too short which comes with different problems to the users. Also, the fans it has, are quite loud. 

Pros
  • Overall Build Quality
  • Solid Rail Stability
  • 120mm RGB Fan
  • 80+ Bronze Certified
  • Peak Output
  • Affordable
Cons
  • Noisy
  • Non-modular

Final Thoughts

Thermaltake Smart 650W 80+ has an incredible amount of plugs for different builds. It isn’t that great to be recommended highly. Yet, it does the job pretty well and comes with RGB LED lighting.

Cooler Master V1000 80+ Gold

Cooler Master V1000 80+ Gold
Specification
PSUCooler Master V1000
Power1000W
Input Voltage90-264Vac
Input Frequency range60-50Hz
Input AC current12-6A
Max Output83A

Though people didn’t have the name Cooler Master on their lips before, they will now. It is an incredible PSU with wonderful features. It has the ability to be in head to head competition in the market. Cooler Master developed the V series to reclaim its position as the world’s top power supply brand. This is a multiple award-winning PSU brand that makes it a favourite in the market. The V-series power supply is based on a new platform that features phenomenal efficiency, especially at regular low loads, voltage stability, excellent hold-up times, and ripple suppression. The Cooler Master V1000 is 80+ gold certified and ensures efficiency of up to 93% at a load of 50%. Another fact is, this powerful PSU is Nvidia GeForce RTX 2080 Ti, RTX 2080, and RTX 2070 ready.

There are 8 x PCI-E 6+2 pin connectors in this PSU  to support high-end graphics cards. Only the best Japanese capacitors are used in this power supply that features mostly solid capacitors as well as a tremendous best quality  42mm transformer. The 100% Japanese cable design ensures the best performance and reliability in operation. This V-series PSU is silent, cool and has a long lifespan all thanks to its best quality 135mm FDB fans. V1000 uses a fully modular cable that incorporates a single 1000W and 12V output that delivers up to 83A. The modular cable system comes with extra slim flat-ribbon cables that are beautifully black. It also makes cable management easy and results in neat and clean builds with the best possible airflow. And, it will ensure there is no unnecessary cable mess at your workspace. 

Key Features & Downsides

Key Features: The input AC voltage of Cool Master V1000 ranges from 100-240V and the input AC current ranges from 12-6A. The input frequency ranges from 50-60Hz and the Output power has an awesome value of 1000W.

Downsides: One of the biggest downsides is, this PSU is slightly expensive. Another is that the Cables are somewhat short. Also, there is a lack of distance between the peripheral connectors.

Pros
  • Phenomenal efficiency, especially at low loads
  • Good voltage stability
  • Excellent hold-up times
  • Awesome ripple suppression
  • Fully modular and easily manageable cables
  • Cool and Quiet
Cons
  • Expensive
  • Slightly short cables
  • Short distance between the peripheral connectors.

Final Thoughts

Coolermaster 1000W has been in the power supply business for a long time now. This PSU is at the top with the best power supplies in the market. It has many eye-catching features. Though it has some downsides it is somewhat recommended for you.

EVGA 600 BQ 80+ Bronze

EVGA 600 BQ 80+ Bronze
Specification
PSUEVGA 600 BQ 80+ Bronze
Power600W
Input Voltage100 – 240 VAC
Input Frequency range50 – 60 Hz
Input AC current10-5A
Max Output50A

Let’s meet the next generation in value! EVGA 600 BQ. This power supply adopts features from the award-winning EVGA’s power supply lineup. Silent operation and Modular cable make it one of the best PSU with high performance and long durability.

EVGA 600 BQ is of great quality and great value. It has a reasonably cheap price. The semi-modular of it makes the cable management flexible, stylish, and durable. Semi-modularity is a nice feature for anyone who wants to cut down on cables. It is an 80+ Bronze certified PSU that ensures efficiency of 85% or higher under regular loads. Also, it gives near-silent operation, thanks to 120 mm Fluid Dynamic Bearing and Intelligent auto fan. It gives heavy-duty protections that come with OVP (Overvoltage protection), UVP (Under voltage protection, OCP (Overcurrent protection), OPP (over-power protection), and SCP (short circuit protection) backed up by a 3-year warranty.

Key Features & Downsides

Key Features: This PSU gives an AC Input voltage of 100-240 VAC,  input current ranging 10-5A, the frequency range of 50 – 60Hz and has an operating temperature ranging from 0 degrees to 40 degrees Celsius. It has a total power of 600W.

Downsides: There are many affordable Gold certified PSUs in the market due to which bronze certified are not that popular now. This PSU has low power that is of the only 600W which means it is comparatively low efficient and holds load regulations. So you have to make sure that your components consume low power. It also lacks over-temperature regulations and is a little noisy.

Pros
  • Cheap and Reliable
  • Easy to install
  • Silent and cool operation
  • Provides heavy-duty protection
Cons
  • Low Efficiency
  • Load regulations
  • Lacks temperature regulations
  • Slightly noisy

Final Thoughts

EVGA 600 BQ is an outstanding PSU with amazing features. In spite of its few regulations, it is preferred for mid-range PC builds with moderate power consumption.

Seasonic Prime 850W Titanium

Seasonic Prime 850W Titanium (SSR-850TD)
Specification
PSUSeasonic Prime 850W Titanium
Power850W
Input Voltage100-240V
Input Frequency range50Hz-60Hz
Input AC current11-5.5A
Max Output

Seasonic has made a praisable entry with its Prime series in the 80+ titanium category. Offering 850W capacity, this line has set its current flagship. Along with top performance, this PSU offers near-silent operation and high efficiency. It comes with 80+ titanium certifications in the market with 94% efficiency at 50% load. The output voltage is strictly maintained within a range of accomplishing under 0.5% load regulation because of Seasonic’s latest admirable design. It ensures first-class performance, pin-drop silent operation, compact dimensions, attractive looks, and fully modular cables. 

Prime 850W Titanium has improved circuit design and high-quality components. These have greatly increased the hold-up time under 100% load, from an industry standard of 16 MS-30+ MS. Seasonic ensures super low ripple noise and has a premium low fan control. This PSU has two fan modes- normal and hybrid. It can be chosen by a push-button located on the front panel. The SR-850TD doesn’t eliminate much waste heat, so there’s no cause for a threatening fan profile or high rotational speed which is the ultimate result of the PSU’s titanium-class efficiency. The best of all, Seasonic equipped this Prime series with larger coolers and got over their obsession over 120mm fans. It’s exciting to see that Seasonic has given importance to silencing the PSUs in the prime series. Without a doubt, Seasonic has rocked in this Prime series.

Key Features & Downsides

Key Features: This PSU provides an AC input voltage of 100-240V and AC input current ranging 11-5.5A.It also gives frequency ranging 50Hz-60Hz. The total continuous power of this PSU is 850W.

Downsides: Seasonic prime 850W is a bit expensive in comparison.There is lack of distance between the peripheral connectors.

Pros
  • Fully modular
  • Gives hybrid mode for fan usage
  • Brand and certification ensures efficiency
  • Ripple suppression
  • Silent FDB fans
  • 6x PCIe & 2x EPS connectors
Cons
  • Expensive
  • Steep Inrush current with 230V input
  • 3.3V rail performance in Transient Response tests
  • Short distance between peripheral connectors

Final Thoughts

Seasonic Prime 850W is something worth checking. It ensures efficiency, reliability, good looks, dead silent operation, and other appealing features that are backed up by a 5-year warranty.

Closing Thought

For the best power supply for i7-9700K, our discussion has come to an end. At this rate, we hope that you have already set your mind on which one to buy. The power supply is to be reliable, best in power delivery, and ensuring the best performance. In this recommendation list, there are a lot of choices to choose from. Though we cannot force you to buy a specific one, we can just recommend some things that you should consider. Core i7-9700K does not need a PSU with more than 750W if your components don’t absorb high power. However, you should choose the right one wisely if your PC components consume high power. And, every PSU we have chosen is best for i7-9700K. If there is some problem in our discussion or any mistake we have made, please feel free to inform us via a comment or contact us

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