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Best PSU For RTX 4070 Ti (650W, 750W, 850W)

To make sure the system gets enough power, we listed some of the Best PSU For RTX 4070 Ti since this card is the latest innovation from NVIDIA. Since power supply units are the most significant part of a computer system, it is essential for the user to choose a suitable PSU. If not, the weak power supply unit can cause harm to your high-end components like motherboards and CPU coolers. Thus, make sure to select a power supply unit that is the best fit for your system and usage. 

Several features are present in a PSU that the user prioritizes according to their needs, we shall discuss them in the coming lines. Firstly, wattage of the PSU should be chosen carefully as it delivers power to all the RTX 4070 Ti CPU parts. Minimum wattage required for the RTX 4070 Ti for efficiency functioning is 700W. Though if you are using this card with high-end products, then the wattage should be increased to 1000W. Secondly, full modular cables grant the user freedom to use only necessary wires, which in turn lessen the untidiness of the desk. Also, giving the user full control of managing cables according to their comfort. 

Moving on, the efficiency certifications play a vital role in making sure the user is aware of the performance of the PSU at low, middle and higher loads. A minimum of 80+ Bronze certification is required for the RTX 4070 Ti to work well as it is a high-end graphic card. However, 80+ Gold certified MSI MPG A850GF gaming power supply is also a good choice for pairing with this video card. In some instances, low noise levels are also a preferred attribute of users. ASUS Rog Strix 750 PSU has the lowest range of sound between 25 dB and 30 dB making it attractive to customers. 

To summarize all that has been stated, the end decision is entirely on the user’s priorities. Thus, we wrote some detailed description of the selected PSUs that we think are best fit for the RTX 4070 Ti.  

Our Recommended list of the Best PSU For RTX 4070 Ti

  1. EVGA 1000 GQ Semi Modular Power Supply
  2. NZXT C750 PSU
  3. ASUS ROG Strix 750 Modular Power Supply
  4. MSI MPG A850GF Gaming Power Supply
  5. Aresgame 850W Power Supply
  6. Thermaltake Smart Pro RGB 650W PSU

RTX 4070 Ti PSU Requirements

  • Minimum 650W is required.
  • At least semi-modular cable setting is required.
  • ATX form factor is needed.
  • Noise levels should range between 20 dB and 35 dB.
  • Minimum 80+ Bronze certification is essential.
  • Warranty of 5 years is necessary at minimum.
  • RGB can be chosen according to the user’s preference. 

RTX 4070 Ti vs AMD RX 6700

  • Ada Lovelace vs RDNA 2.0 architecture
  • 7680 vs 2304 CUDA cores
  • 2610 MHz vs 2450 MHz Boost clock speed
  • GDDR6X vs GDDR6 memory 
  • 12 GB vs 10 GB Max RAM
  • 285W vs 175W TDP
  • 21 GB/s vs 16 GB/s memory clock speed 

1- EVGA 1000 GQ Semi-Modular Power Supply

EVGA 1000 GQ Semi Modular Power Supply

EVGA is a well known brand that produces some of the great gaming PC related accessories in the tech world. One of these is the 1000 GQ power supply unit that has several remarkable attributes. Having an ATX form factor and 1000W wattage, it has the ability to pair well with a system containing RTX 4070 Ti. Semi-modular cable setting is provided that allows the user to detach some unnecessary wires, decluttering the work space. Japanese capacitors are integrated for resistance against high temperatures that are meant to last long. 

Moreover, the Japanese branded capacitors also work 90% efficiently under typically increased loads. Cooling effects are granted by the 135 mm fluid dynamic bearing and operation is limited between 0 degree Celsius and 50 degree Celsius. EVGA ECO mode is responsible for keeping the noise levels of the PSU down during low/medium loads. Also, fans do not work until it becomes an absolute necessity and the heat levels start to increase. All-black color of the power supply unit attracts the user as it gives a classy and sleek look to the component. EVGA 1000 GQ power unit generates a total voltage of 230V which is a good amount for devices that consume high current. 

This PSU has been awarded with the 80+ Gold efficiency certification that signifies that it obtains the top efficiency of 90% at 50% and higher loads. Company protections like UVP, OPP, OVP and more are granted for harm against current and voltage overloading. Furthermore, a 5 year warranty is provided from the manufacturers that cover damages and repair costs. EVGA 1000 GQ is a great affordable PSU for RTX 4070 Ti video card since it provides a higher wattage than its opponents at a reasonable price. 


For comparison purposes, we consider the Apevia Prestige 1000W with the EVGA 1000 GQ model as they share some traits. Though the former PSU is cheaper, the EVGA 1000 GQ has semi-modular settings, more ESP connectors, more SATA ports and +8 PCIe 6+2 pin connectors.


  • Great overall performance 
  • 1000W wattage 
  • Low noise levels
  • 5 year warranty 
  • 80+ Gold certified 
  • Budget friendly


  • Semi modular setting might be unappealing to users

2- NZXT C750 PSU


When building a gaming PC, using good and high quality products is necessary as the gamers want a system that can manage their intensive usage. So, NZXT introduced the C750 power supply unit that has many outstanding traits. Having 750W wattage and an ATX form factor, this power unit is capable of working with any high end graphic cards like the RTX 4070 Ti. Fully modular settings are provided that lessens the clutter by allowing the user to detach extra wires. Microcontroller protection technique is there to keep check on voltage and current output. 

Cooling functionality is provided by the 135 mm PWM silent fan that dissipates heat efficiently while keeping the acoustic levels low. Different parts of the cooling mechanism have gone under treatment to reduce noise of the fan. Thus, the sound levels are measured to be between 30 dB and 35 dB. Designed to fit NVIDIA and AMD GPUs, this power supply unit can fit any case easily. NZXT provides dual ESP connectors that make it compatible with several high-end mainboards, processors and this gaming PSU is also compatible with RTX 4080 and i9-13900K PSU.

Certification of 80+ Gold efficiency is granted to this power supply unit, which peaks at 90% efficiency rates at 50% and higher loads. As a result of this rating, a smooth and buffer-free gameplay is provided to the gamers that gives them the edge in gaming. Price-wise, it can be a reasonable choice for users as it offers many features at a budget friendly cost. Overall, the NZXT C750 PSU is a good selection for users like videographers and gamers using the RTX 4070 Ti. 


For this task, we look at the XPG Pylon 750W with the NZXT C750 PSU as they contain some similarities. Although the Pylon 750W is cheaper, the NZXT C750 has better 80+ efficiency, is fully modular and has 5 more MOLEX connectors.


  • Good performance 
  • Fully modular setting
  • Two ESP connectors 
  • Appealing aesthetics 
  • Efficient 
  • 80+ Gold certification


  • Noisy under heavy loads 
  • Low efficiency at 2% load

3- ASUS ROG Strix 750 Modular Power Supply

ASUS ROG Strix 750 Modular Power Supply

ASUS is a popular brand that makes first rate products like gaming laptops, desktops, gaming motherboards and more accessories. Here, we discuss the ASUS Rog Strix 750 power supply unit as it has various admirable features. With an ATX form factor and 750W wattage, this power unit can support high-end graphic cards like RTX 4070 Ti. Customers can customize the magnetic logo and stickers according to their liking. Fully modular cable setting is available for less clutter and mess around the work station. 

Japanese capacitors are integrated in the Rog Strix 750 model that makes it a durable and long lasting product. Cooling functions are given by the 140mm double ball bearing fan that has an axial-tech design that increases air pressure. Also, double ball fan last twice as long as any other fan model, which is a bonus point for customers. Noise limit of this fan is quite low as seen in the testing phase and ranges between 20 dB and 25 dB. DC output quality outcomes show excellent performance, as peak ripple values at 25mV, which matched most high-end power supply units and it has also supported by AMD RX 6400 PSU.

Efficiency certification of 80+ Gold is granted to the Rog Strix 750 model that increased the efficiency rates to 90% at 50% and higher loads. Industrial protections like over/under voltage and current protection are given in case of harm. It prevents the component from frying and recovers it almost instantly. A 10 year warranty is provided from the company that covers repairs of affected components. Though a bit costly for some people, it gives a great performance that gamers and content creators need. 


We consider the XFX ProSeries 750W in comparison with the ASUS Rog Strix 750 PSU since they consist of similar features. Though the ProSeries 750W is cheaper, the Rog Strix 750 model has fully modular settings, better 80+ efficiency and is quiet under heavy loads.


  • Excellent performance overall
  • Low noise
  • Fully modular cables 
  • 80+ Gold certified
  • Great heatsink design 
  • 10 year warranty


  • Expensive 
  • Distance between connectors is small

4- MSI MPG A850GF Gaming Power Supply

MSI MPG A850GF Gaming Power Supply

As technology is advancing, PC components like motherboards and processors also contain high-end features that should match with parts. So, MSI launched the MPG A850GF gaming power supply unit that has several outstanding characteristics. Having 850W wattage and an ATX form factor, it can support heavy systems that consume more power on average and it has also supported by RX 7900 XTX. Cable settings are fully modular so that users are allowed to use necessary wires reducing clutter and increasing productivity. Moreover, flat black cables are given that make managing the cables easier. 

Japanese capacitors are used in this component that maintain quality and performance while providing durability. MPG A850GF uses allo copper terminals that can hold it against higher currents than bronze materials. Heat is emitted by a 140mm fluid dynamic bearing fan that effectively cools down the PSU. Upon testing, the GPU +12 rail held its place despite heavy work loads. MSI MPG A850GF is built for intensive gaming sessions and other high demanding applications, for the user to enjoy their work as smoothly as possible. Acoustic levels of this PSU vary between 30 dB and 35 dB which is a bit noisy for some people. 

Certification of 80+ Gold is granted to this power unit, meaning it reaches the peak efficiency rate of 90% at higher loads. In addition to providing increased efficiency, this PSU consumes low power which is a plus point for users. Industrial protections include OPP, SCP, UVP and more so that the user does not have to worry about repairs in case of damage. Since the recommended power supply for RTX 4070 Ti is above 400W, the MSI MPG A850GF is a good choice for the customer to select. 


For comparing reasons, we take the Corsair RM850 with the MSI MPG A850GF model since they contain similar characteristics. RM850 PSU has more SATA connectors, however, the MPG A850GF is 15% cheaper, is a more modern version and has 1 more MOLEX connector than the RM850 model.


  • Excellent overall performance 
  • Fully modular cables
  • 80+ Gold efficiency
  • Strong build structure 
  • 100% Japanese capacitors


  • Noisy under heavy loads 

5- Aresgame 850W Power Supply

Aresgame 850W Power Supply

Aresgame is a good option to choose when building a computer for gaming/work purposes, since they create great items for Pc systems. One of their PSUs is the AGT850 model which contains many notable attributes like an ATX form factor and 850W wattage. For reducing clutter and increasing airflow, a fully modular cable setting is given allowing the user to attach mandatory wires. Size to power output ratio is increased as this power unit has a 140 mm deep compact size. Aresgame’s 850W power supply can be a good choice for video editing softwares and programming.

For lowering the temperature of this gadget, a 120mm PY fan is used with fluid dynamic bearings that works ultra quietly. Utilizing these cooling mechanisms, the PSU works at low sound levels during intensive operations. For stable output of current and voltage, the DC-DC structure is responsible for fulfilling this need. Protections like SCP, OVP, UVP and more are provided by the company for preventing absolute damage to the component. Acoustic limit of the AGT850 power supply unit ranges between 40 dB – 45 dB which emits a noticeable noise.

Aresgame AGT850 model has been awarded 80+ Gold certification meaning it can obtain the peak efficiency of 90% under 50% and higher workloads. Consequently, the user is delivered a smooth and swift working gaming system that helps in winning competitive tournaments. Talking about the cost, it is a bit expensive for some users when the competitors provide more features at a reasonable price tag. Moreover, this PSU generates more noise when the system is under stress which might be a deal breaker for some customers. 


We consider the Antec High Current Gamer HCG-850M PSU with the Aresgame AGT850 model as they have similar attributes. The HCG-850M is cheaper, although the AGT850 PSU has better 80+ efficiency and is fully modular for the user’s comfortable experience.


  • Good performance in work applications 
  • 80+ Gold efficiency 
  • Fully modular 
  • 10 year warranty


  • High noise levels
  • Low build quality

6- Thermaltake Smart Pro RGB 650W

Thermaltake Smart Pro RGB 650W PSU

Thermaltake produces admirable computer related accessories like PC cases, cooling gadgets and power supplies. One of their great items is the Smart Pro RGB power supply that has an ATX form factor and 650W wattage. Fully modular wiring makes sure the user has the option to use only mandatory cables. Main attraction of this power supply unit is the RGB LED lighting, which provides 256 color cycles including red, white, green and blue with an LED off mode. This is a great attribute for users, especially gamers who want the lighting aesthetics to match their gameplay experience.

Cooling mechanism is granted by the Riing 14 fan that effectively cools the combined temperature of the PSU and system. Built keeping in mind the concentrated compression fan blade design, it increases the outward air pressure. While working at an ultra low acoustic level, its range is between 20 dB and 30 dB which emits inconspicuous sound. Furthermore, low ripple noise is there to keep all parts of the CPU durable and reliable for longer use. Japanese capacitors are integrated in the Smart Pro RGB so that the PSU keeps working in reliable and stable conditions. 

Thermaltake’s Smart Pro RGB has been awarded the 80+ Bronze certification which insinuates that 90% peak efficiency can be obtained at 50% or higher loads. A 7 year warranty is given to the user that covers damages and repairs costing the user nothing. Strict voltage regulation is kept in this component to keep it from frying or damage, which is a plus point for users with unstable voltage and current supply. 


For comparison purposes, we look at the Cooler Master MWE 650 with the Thermaltake Smart Pro RGB 650W as they share some attributes. Although the former PSU is cheaper, the Smart Pro 650W has fully modular cables and has more SATA and MOLEX connectors in addition to RGB lighting.


  • Excellent performance overall 
  • Fully modular
  • Budget friendly
  • RGB lighting 
  • 4 PCIe connectors 
  • 7 year warranty


  • Fan profile is aggressive
  • Hold up time
  • Efficiency is low

Best PSU For RTX 4070 Ti Buying Guide

CPU contains several high end products like graphic cards, CPU coolers and RAMs and they require a certain amount of power to work. Thus, PSU plays a vital role in the CPU’s components as it delivers the required current to all other parts of the CPU. Here, we wrote down some of the best options that are the best fit for RTX 4070 Ti. Our recommendation would be the ASUS Rog Strix 750 as it has many remarkable features. That are best suited for high-end components like graphic cards, motherboards and more. 

At the end, the user should be aware of the features that are great for their system’s best performance. Thus, we gathered some of the important attributes the user should make sure are available in their chosen PSU.

Form Factor 

Form factor is meant to describe the size and shape of the power supply unit, since it is fitted in the CPU. Commonly, the ATX form factor in PSUs is used as it opens the user to a wide variety of PC cases. So, the user can choose their favorite case and motherboard as they must together in the CPU system.

Cable Design 

Some users are quite serious about the cable setting their selected power unit gives as commonly fully modular settings are preferred. Main benefit of this trait is to lessen the clutter and mess the wires create on the desktop as well as increase the airflow. Consequently, the workstation looks neat and keeps the user motivated and productive. 


Perhaps the most important feature of a PSU, wattage quantity should be known to the user since it supplies power to the whole system. For all high-end parts, a wattage of 1000W+ is required as they consume a lot of electricity. In the case of mid-range products, 650W is more than enough for them to work efficiently. Our recommended option, ASUS Rog Strix 750W has the perfect wattage for working with both high-end and mid/low range products.

Efficiency Certification

Since the power supplies are supposed to increase the performance of the system, different certificates are awarded to these components. They are responsible for labeling the PSU with a certain efficiency rate after rigorous testing. Most of the products listed in this article have an 80+ Gold certification, meaning they can achieve the peak efficiency of 90% at 50% or higher workloads.

Additional Attributes

These include the warranties and industrial protections  that are provided to the user in case of damages. Over/under current and voltage and short circuiting are some known protections that prevent the PSU from total damage. Moreover,  RGB lighting is integrated in some PSU fans that attract the gamers as they set the mood for enjoyable gaming environments.


What Power Supply Do I Need For RTX 4070 Ti?

Since it is a high-end graphic card, the recommended power for RTX 4070 Ti is 700W.

Is 1000W PSU Enough For 4070 Ti?

If your system consists of all high-end products that consume more power, then a 850W or 1000W power supply unit is suggested.

What Happens If Your PSU Is Too Weak?

In case of a weak power supply unit, the other components of the CPU do not get sufficient power, which can cause them to overheat that may result in damage.

Can PSU Damage GPU?

Yes, a malfunctioning PSU can cause damage to the GPU.

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  • Areesha

    Areesha is a tech enthusiast and a freelance writer who loves to share her insights on the latest gadgets and innovations. She has been reviewing tech products for over five years, covering everything from smartphones, laptops, cameras, smartwatches, headphones, and more. She enjoys testing out new features, comparing different models, and giving honest feedback to her readers. Areesha’s reviews are always informative, engaging, and easy to understand. Whether you are looking for a new device, a gift idea, or just curious about the tech world, Areesha’s reviews will help you make the best decision. You can find her work on various websites and blogs, such as [TechCrunch], [CNET], [The Verge], and [Gizmodo]. You can also follow her on [Twitter] and [Instagram] to get the latest updates on her reviews and projects. Areesha is always open to suggestions and feedback from her audience, so feel free to contact her anytime. She is looking forward to hearing from you!

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