Best PSU for RTX 3070 Ti

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The RTX 3070 Ti graphics card was launched recently to fill the gap between the RTX 3070 and 3080. While the RTX 3070 was primarily intended for 1440p gaming, the Ti version is capable of reasonable 4K performance. However, this boost in performance comes at a price in terms of cost and the fact that it requires considerably more power than the 3070. In fact, the power supply requirement of the RTX 3070 ti is closer to the requirements of the RTX 3080. Therefore, to get an adequate power supply, make sure to go through our list of the best PSUs for RTX 3070 Ti.

The RTX 3070 Ti requires a stronger PSU because Nvidia slightly increased its number of CUDA cores and clock speeds. But more importantly, they upgraded its VRAM from GDDR6 to the better performing GDDR6X. These improvements translate to greater PSU requirements, so if you’re upgrading your system, you’ll probably need a stronger power supply.  

Nvidia specifies that the Rtx 3070 Ti GPU requires 290W of power. For the sake of comparison, the RTX 3070 only needs 220W. As a result, it’s recommended by Nvidia to use a 750W PSU for most RTX 3070 Ti PC builds.

Best PSUs for RTX 3070 Ti

1. Corsair RM750

Corsair RM Series, RM750, 750 Watt, 80+ Gold Certified, Fully Modular Power Supply, Microsoft Modern Standby


The RM750 is a versatile power supply used to power many gaming systems due to its performance, efficiency, and quality guarantee. It’s a solid choice for an RTX 3070 Ti system.


Form factor: ATX | Wattage: 750W | Efficiency rating: 80 Plus Gold | Modularity: Fully | Cooling: 140mm rifle bearing fan (HA1425M12F-Z) | Noise: Cybernetics A (20-25 dBA) | Warranty: 10 years


  • Silent at high loads
  • Efficient under low loads
  • Fits comfortably in most cases


  • Automatic semi-passive operation mode is always on

The RM750 is a minimally designed PSU made to fit most cases. It’s simple, efficient, modular, and silent. Fans of heavy RGB setups will be disappointed because this PSU is all black without any kind of RGB lighting.

This gold-rated power supply is efficient under low as well as heavy loads. Cheaper PSUs usually waste a lot of energy when operating at low to medium loads. Furthermore, its fairly large rifle bearing fan and high-quality components allow it to function at maximum potential without overheating. Nonetheless, Corsair equipped the RM750 with all the necessary protections.

The RM750 is a powerful and reliable power supply, especially for an RTX 3070 Ti build. However, it’s somewhat lacking in the premium features departments. Its design is sturdy but simple. It even lacks a switch for the semi-passive operation mode and that would be nice to have. So if you want certain premium features and RGB, you should look at the other options on this list.

2. NZXT C750

NZXT C750 - NP-C750M - 750 Watt PSU - 80+ Gold Certified - Hybrid Silent Fan Control - Fluid Dynamic Bearings - Modular Design - Sleeved Cables - ATX Gaming Power Supply - 2020


The C750 is a classy-looking PSU that delivers the power it promises. It’s powerful and reliable, however, the smaller 120mm fan can get noisy when pushed to its limits.


Form factor: ATX | Wattage: 750W | Efficiency rating: 80 Plus Gold | Modularity: Fully | Cooling: 120mm Fluid Dynamic Bearing Fan (HA1225H12F-Z) | Noise: Cybernetics Standard++ (30 dBA – 35 dBA) | Warranty: 10 years


  • Gorgeous aesthetics for all-black PC builds
  • Optional semi-passive operation mode
  • Sleeved primary cables


  • It can get a little noisy
  • Lower efficiency under low loads

NZXT’s C750 remains one of the most popular PSUs for modern gaming builds. When it comes to design, it looks better than most of the RGB-lacking competition. The matte black finish and the compact size of the case make it an attractive choice for PC builders who are attracted to a sleek all-black setup.

When it comes to performance, the C750 is a reliable and stable power source. It’s rated gold for efficiency, it has a low ripple, and it can deliver the promised power without overheating beyond its limits. The only downside is that during low loads its efficiency drops and some energy is wasted. Furthermore, its cooling system is known to be somewhat noisy when the PSU is operating at full load.

The NZXT C750 is a mid-range power supply for those who want power and reliability without spending a premium rate. However, users who are more sensitive to noise should look for a quieter alternative, like the Corsair RM750.

3. EVGA 750 GA

EVGA 220-GA-0750-X1 Super Nova 750 Ga, 80 Plus Gold 750W, Fully Modular, ECO Mode with Dbb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply


The 750 GA is overall a good purchase for those who need a powerful gold-rated PSU. You get a lot of value for its price, however, enthusiasts will be disappointed by the design and build quality.


Form factor: ATX | Wattage: 750W | Efficiency rating: 80 Plus Gold | Modularity: Fully | Cooling: 135mm Double Ball Bearing | Noise: N/A | Warranty: 10 years


  • Selectable ECO mode
  • Low ripple
  • Long cables that help with cable management


  • Low efficiency under light loads
  • It’s noisy under high loads

EVGA’s GA series is an average, affordable line of power supplies for users who aren’t too picky. When it comes to design it leaves to be desired and some of its internal components aren’t the best on the market. That said, it works like it’s supposed to and EVGA has enough faith in the GA to back it with a 10-year warranty.

The 750 GA performs quite well in its price bracket. It’s a modular Gold-rated PSU after all, and it also comes with an optional semi-passive mode. The cables it comes with are long and resilient, so cable management shouldn’t be an issue. It’s also important to use these cables and not whatever cables you have from your old PSU. Some users reported faulty operation and even damage when using the GA with other cables.

Overall, the 750 GA is for PC builders who want to get their setup up and running without spending too much on a premium PSU. Its performance is satisfactory and it’s reliable enough to power most RTX 3070 Ti systems.

4. Thermaltake Toughpower GF1

Thermaltake Toughpower GF1 750W 80+ Gold SLI/ CrossFire Ready Ultra Quiet 140mm Hydraulic Bearing Smart Zero Fan Full Modular Power Supply 10 Year Warranty PS-TPD-0750FNFAGU-1


The Toughpower GF1 performs well and stays fairly silent. Ideal for the average user looking for an efficient modular PSU at a decent price.


Form factor: ATX | Wattage: 750W | Efficiency rating: 80 Plus Gold | Modularity: Fully | Cooling: 140mm Hydraulic Bearing | Noise: N/A | Warranty: 10 years


  • Selectable auto-regulated fan mode
  • < 30mV Low ripple
  • 16AWG main cables


  • Short distance between SATA drives connectors

The Toughpower GF1 is a well-built power supply, although it doesn’t look as modern as other options. In fact, this model is the cheaper non-RGB version of the GF1 ARGB which costs significantly more just because of the RGB lighting. If all you want is a plain PSU to power your system, stick to this cheaper GF1.

The Toughpower GF1 is comparable to the more expensive RM750x from Corsair. This gold-rated PSU is built using reliable components and it works efficiently under low as well as high loads. It’s also equipped with a large 140mm hydraulic bearing fan that works reasonably silent. The fan can be set to a semi-passive mode, which means it won’t work when the PSU operates under 30% load.

The only significant downside is the short distance between SATA connectors. Depending on your cable management skills, you might struggle a bit with them. However, considering the overall performance, reliability, and 10-year warranty, the GF1 is a solid choice for mainstream RTX 3070 Ti builds.

5. Gigabyte GP-P850GM

Gigabyte GP-P850GM (80 Plus Gold 850W, Modular, Smart Fan, Smart Power Protection, Power Supply)


The GP-P850GM is ideal for a power-hungry RTX 3070 Ti build or if you simply want more headroom.


Form factor: ATX | Wattage: 850W | Efficiency rating: 80 Plus Gold | Modularity: Fully | Cooling: 120mm Hydraulic Bearing | Noise: N/A | Warranty: 5 years


  • Reliable Japanese capacitors
  • High output single +12V rail
  • Low ripple


  • Semi-passive cooling without a switch

Most of you know that Gigabyte makes excellent motherboards and GPUs, so it’s probably surprising to see a PSU from them. However, the GP-P850GM offers a good amount of value for the price.

Design-wise, it’s plain without any attention-grabbing features. The matte black finish is nice though, and its compact form makes it great for saving case space and airflow.

The GP-P850GM also performs efficiently, but the semi-passive performance feature is somewhat a letdown. It kicks in automatically under less than 20% load, which makes it almost useless, and it doesn’t come with a switch. This feature seems like a gimmick in this case instead of something useful. That said, the 120mm hydraulic bearing fan is durable and doesn’t make much noise.

The GP-P850GM is great if you want 850W of power in a well-built PSU for a decent price.

6. Cooler Master V750

Cooler Master V750 SFX Gold Full Modular, 750W, 80+ Gold Efficiency, ATX Bracket Included, Quiet FDB Fan, SFX Form Factor, 10 Year Warranty


The V750 is a reliable power supply for small form factor enthusiasts who are looking for efficiency at a decent price.


Form factor: SFX | Wattage: 750W | Efficiency rating: 80 Plus Gold | Modularity: Fully | Cooling: 92mm Fluid Dynamic Bearing Fan (APISTEK SAC4H2H) | Noise: Cybernetics Standard++ (30 dBA – 35 dBA) | Warranty: 10 years


  • Overall well-performing SFX power supply
  • 16 AWG PCI-e cables
  • Comes with an ATX bracket


  • Slightly inefficient under low loads
  • The connectors are too close to each other

Finding a strong and reliable enough SFX for an RTX 3070 Ti setup can be challenging, but the V750 from Cooler Master seems promising. This simple-looking, compact, black box is quite powerful. The inner components are of reasonable quality and reliable enough for Cooler Master to back the V750 with a 10-year warranty.

When it comes to performance, the V750 is highly efficient at medium to high loads. However, under light loads, there’s some energy waste that could’ve been prevented. Additionally, this PSU can get really hot when stressed and the small 92mm fan will produce some noise. Those who are looking for a super silent PSU should look for an alternative.

All in all, the V750 is a versatile PSU and it’s ideal for small form factor fans who don’t want to spend too much. Just remember that it’s not the most silent SFX PSU out there.

7. EVGA 750 N1

EVGA 750 N1, 750W, 2 Year Warranty, Power Supply 100-N1-0750-L1


EVGA’s 750 N1 is a budget PSU. Unfortunately, it’s inefficient, built using low-quality components, and the manufacturer backs it with a suspiciously low 2-year warranty. Look for an alternative.


Form factor: ATX | Wattage: 750W | Efficiency rating: 80 Plus White | Modularity: None | Cooling: 120mm rifle bearing fan | Noise: N/A | Warranty: 2 years


  • Good 5VSB rail
  • Enough connectors for most setups
  • Solid rifle bearing fan


  • Low performance and inefficient
  • Low-quality capacitors
  • Noisy fan at high loads

EVGA is known for many reliable power supplies, however, they also offer a budget N1 series. Its design is antiquated and it’s built using cheap components. Furthermore, it wastes a lot of energy. With an 80-Plus White efficiency rating, you’ll notice your power bill going up in no time.

Performance-wise, the N1 provides the 750W you need for most RTX 3070 Ti builds. However, due to reliability issues and low efficiency, you’re most likely getting a bit less. Additionally, the fan makes a lot of noise when the PSU heats up under high loads.

The many cons outweigh the pros in the long run. Any Gold-rated PSU on this list will be a better choice and will last a lot longer than the 2 years that are guaranteed by the manufacturer. The 750 N1 should probably be a short-term emergency option.

8. Apevia ATX-PR800W Prestige

Apevia ATX-PR800W Prestige 800W 80+ Gold Certified, RoHS Compliance, Active PFC ATX Gaming Power Supply


The ATX-PR800W is one of the cheapest Gold-rated PSUs you can buy. However, it’s not modular, the fan gets noisy, and the overall build quality leaves much to be desired.


Form factor: ATX | Wattage: 800W | Efficiency rating: 80 Plus Gold | Modularity: None | Cooling: 135mm fan | Noise: N/A | Warranty: 3 years


  • Efficient for the price
  • Good +12V DC rail output
  • Stif, difficult to manage cables


  • Substandard 5VSB rail
  • Low-quality capacitors
  • Noisy fan

The ATX-PR800W from Apevia is an unimpressive-looking power supply. It’s in the budget category, so the quality of the design and build was kept at a minimum. This PSU isn’t modular and the cables feel really stiff, making cable management rather difficult. Furthermore, the fan isn’t very reliable and can cause a significant amount of noise sometimes, especially when stressed.

That said, when it comes to performance it’s not such a bad PSU considering the price. It’s rated Gold for efficiency and offers plenty of power for most RTX 3070 Ti systems. In this price range, you usually find White-rated or Bronze-rated power supplies at best. It’s certainly much better than the 750 N1 from EVGA.

Overall, the ATX-PR800W is an acceptable power supply if all you want is 800W of power delivered efficiently. If you care about features like modular cables, RGB lighting, and semi-passive operation, you should look at any other Gold-rated alternative on this list. As a final note, keep in mind that this PSU comes with a short 3-year warranty when most power supplies are backed for five to ten years.

Final Thoughts

Choosing the right power supply for your RTX 3070 Ti build is crucial. This GPU requires a lot of power and if you pick a PSU with a low-efficiency rating, you won’t be happy about your power bill. Additionally, some of the budget options can be unreliable and cause issues in the long run, so avoid PSUs with cheap parts and short-term warranties. Ideally, you should look for a modular Gold-rated power supply with quality components and a silent fan. Everything else is extra and depends on your own tastes and budget.

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