11 Best PSUs for Nvidia RTX 3070 in 2023
RTX 3000s series GPUs from Nvidia and Zen 3 processors from AMD are among the most popular components for building or upgrading PCs. More specifically, the RTX 3070. It is important, however, to determine what amount of power will be required for a PC with the RTX 3070. In addition to powering everything else and protecting the computer from surges, fluctuations, and other hazards, the PSU is one of the most critical components in the computer. In order to ensure that your setup is properly powered, we have reviewed the best PSUs for Nvidia RTX 3070 graphics cards.
As compared to the two other RTX 3080s and 3090s, the RTX 3070 is considered to be a midrange graphics card. Despite its low power consumption, the RTX 3070 competes with Nvidia’s RTX 2080 TI, the old flagship card. But it’s also less than half the price. A solid power supply is needed to take advantage of that kind of power and demanding features like Ray Tracing.
Power supplies of 650W are recommended for an RTX 3070 system. The graphics card alone requires 220W, but this can be even higher if overclocked. In addition, this requirement depends on the CPU and whether it’s being overclocked, along with the power supply quality. You may not receive all of the 650W of a 650W power supply just because the label says it is. Here are the best power supplies to support the RTX 3070 and the rest of the system.
Also related: Best PSUs for RTX 3060. You may also read: best power supply over 1000w
EVGA SuperNOVA 650 P2
EVGA 220-P2-0650-X1 SuperNOVA 650 P2, 80+ PLATINUM 650W , Fully Modular , EVGA ECO Mode, 10 Year Warranty , Includes FREE Power On Self Tester, Power Supply ,Black
Specifications
Form factor: ATX | Capacity: 650W | Efficiency rating: 80 Plus Platinum | Modularity: Full | Warranty: 10 years
Key Features
Up to 94% efficiency
140mm Double Ball Bearing cooling fan
Fully modular
SLI and Crossfire ready
High-quality Japanese capacitors
A platinum-rated PSU with a silent fan system makes it hard to complain about its quality and performance. With Platinum-rated efficiency and Platinum-rated efficiency, it’s hard to complain about its quality and performance. Because it’s completely modular, we won’t have to worry about hanging cables since it fits into most computer cases.
We won’t have to worry after purchasing the power supply, and we’ll likely upgrade the system between now and when the warranty expires. expires. In essence, this P2 power supply from EVGA is probably the best in the 650W category and it will guarantee your system gets enough power.
Read more on : best power supply for 4080. Also related: Best PSUs for RTX 3080
Thermaltake Toughpower GF1 650W
Thermaltake Toughpower GF1 650W 80+ Gold SLI/ CrossFire Ready Ultra Quiet 140mm Hydraulic Bearing Smart Zero Fan Full Modular Power Supply 10 Year Warranty PS-TPD-0650FNFAGU-1
Specifications
Form factor: ATX | Capacity: 650W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 10 years
Key Features
Up to 90% efficiency
140mm Double Ball Bearing cooling fan
Automatically controlled Smart Zero Fan
Zero cable platform
Low ripple noise
For those who want features without breaking the bank, Thermaltake’s GF1 PSU is a good choice. Its fully modular design means we don’t have to worry about cable management. Additionally, it has a Smart Zero Fan feature that only activates the fan at 30% load. This makes it ultra-silent when not playing games or performing demanding tasks. Providing a great balance between power efficiency and value, this PSU comes with a 10-year warranty and is powerful enough to power a system built around the RTX 3070.
You may also read: best power supply for gaming pc. Read more on Best PSUs for the RTX 4090
Corsair CV600
Corsair VS Series VS600
Specifications
Form factor: ATX | Capacity: 600W | Efficiency rating: 80 Plus Bronze | Modularity: None | Warranty: 3 years
Key Features
Efficiencies up to 88%
Cooling fan with 120mm diameter and low noise
A reliable and stable output
With a casing length of 125mm, this device is compact and lightweight
Cables with black sleeves
With Corsair’s solid reputation, the CV650 is one of the best entry-level power supplies available. This power supply is sufficient to comfortably power a system centered on the RTX 3070 for value seekers. We won’t be able to remove the cables we don’t need, but given the price, we understand that given the CV650’s price. It’s cheap, stable, and efficient, and small enough to fit into most cases. Moreover, Corsair backs this PSU with a 3-year warranty, making it affordable when compared to other models. All in all, the CV650 is more than adequate for most RTX 3070 systems.
Thermaltake Smart 750W
Thermaltake Smart Pro RGB 750W 80+ Bronze Smart Zero
Specifications
Form factor: ATX | Capacity: 750W | Efficiency rating: 80 Plus White | Modularity: None | Warranty: 5 year
Key Features
A maximum efficiency of 86%
Silent 120mm cooling fan
Ready for Haswell
An efficient +12V rail
As another great budget-friendly option, this 700W power supply from Thermaltake has no premium features due to its low price. The Smart 700W provides enough power for an RTX 3070 build and runs silently. There isn’t much else to say about it. One downside is that it has the lowest efficiency rating, which might lead to a higher electric bill, but it still provides plenty of power. In addition, it’s not modular, so keep in mind that unused cables can take up a lot of space when purchasing a case. Furthermore, low ratings do not automatically mean bad quality. With the Smart 700W PSU, you have a simple, reliable power source that’s quiet and provides a reliable flow of electricity.
GIGABYTE GP-AP1200PM 1200W
GIGABYTE GP-AP1200PM 1200W 80 Plus Platinum Certified Fully Modular Power Supply
Specifications
Form factor: ATX | Capacity: 120W | Efficiency rating: 80 Plus Bronze | Modularity: None | Warranty: 3 years
Key Features
A maximum efficiency of 89%
Cooling fan with hydraulic ball bearings of 120mm
Capacitors made in Japan
Design that is compact
We often reach the limits of our budget when we build a new system from scratch by investing in RTX 3070s and powerful CPUs. Fortunately, reasonable, budget-friendly power supplies still exist, like the GP-650B.
This 650W power supply offers enough reliable power for an RTX 3070 system, even though it’s only bronze-rated. Therefore, there won’t be any problems with power, but we’ll have to deal with a lot of cables we won’t use. As the 650B isn’t modular, it’s a good idea for us to practice cable management. Furthermore, Gigabyte only offers a three-year warranty on its product. Despite being one of the least attractive and feature-rich PSUs on the market, the GP-650B will do its job.
Corsair RM 750x
Specifications
Form factor: ATX | Capacity: 750W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 10 years
Key Features
Low-noise cooling fan
Fully modular system
Japanese capacitors
Compact design with 160mm casing
Designed to fit any RTX 3070 system and give you plenty of room for overclocking, the RM750x has a 750W power supply. Because the RMx is fully modular and comes with plenty of connectors to satisfy most enthusiasts, it sits in the most comfortable category due to its high power and gold-rated efficiency at an affordable price. Keeping cable clutter to a minimum is vital for cooling, particularly when running an overclocked GPU.
Despite being a 750W power supply, the RM750x produces just 15dB of noise. The 135mm fan has certainly contributed to that. The PSU will perform smoothly under any circumstance, and Corsair offers a 10-year warranty in the event it does not.
NZXT C850~ Best PSUs for Nvidia RTX 3070
NZXT C850 PSU (2022) – PA-8G1BB-US – 850 Watt PSU – 80+ Gold Certified – Fully Modular –
Specifications
Form factor: ATX | Capacity: 850W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 10 years
Key Features
For silent operation, there is an option to set the fan to zero RPM
Modularity at its finest
Fan with fluid bearings of 120mm
Cords with sleeves
Known for its reliable power and quiet operation, the NZXT C-lineup is well known for it. There’s a Zero RPM switch in the C650 so that when it’s not pushed too hard, it’s completely noiseless. It’s important to note that the C650 is powerful enough to operate for extended periods under heavy load. The C650 can handle gaming or rendering equally well.
Moreover, the cable is fully modular and includes all the components needed for a high-end gaming setup, including all the modern components. There is only one minor annoyance: the peripheral connectors, such as those for SATA, are too close together, so things can get crowded. With all the features we need at an affordable price, the C650 remains a solid choice.
EVGA SuperNOVA 750 GA
EVGA SuperNOVA 750 GT, 80 Plus Gold 750W, Fully Modular,
Specifications
Form factor: ATX | Capacity: 750W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 10 years
Key Features
Circuit layout for LLC resonant circuits
Double Ball Bearing fan
Cooling switch with eco-mode
Designed compactly
Modular in nature
As long as you’re not concerned about the RTX 3070’s power requirements, the SuperNova 750 GA is the right choice. For the average PC builder, these aspects alone are convincing enough. After all, all you need is a powerful power supply that comes with modern features. This PSU is compact, modular, and rated with 90% efficiency.
Also included is an optional switch that will turn on the fan only after 40% load. As a result, we enjoy silent operation and save some power until then. The box also comes with a large number of connectors, including 6 SATA ports, 4 Molex ports, and the usual PCIe and EPS ports. Although the 750 GA is compatible with SLI/Crossfire, it is not recommended to use that feature with the RTX 3070.
Cooler Master MasterWatt 650W~ Best PSUs for Nvidia RTX 3070
Cooler Master Watt 650 Watt
Specifications
Form factor: ATX | Capacity: 650W | Efficiency rating: 80 Plus Bronze | Modularity: Semi | Warranty: 5 years
Key Features
Up to 15% workload semi-fanless
Circuit design with dual forwards and DC-to-DCs for increased stability
For higher conductivity, PCIe cables should be thicker
Silent and dust-proof LDB bearing fan
Unlike most manufacturers these days, the MasterWatt is a Bronze-rated power supply aimed at budget-conscious consumers. Although many manufacturers now go for Gold-rated PSUs, most consumers are not always looking for peak efficiency.
As a semi-modular power supply, the MasterWatt 650 features a few features that aren’t normally found in this price range. Cables necessary for each system are hardwired, whereas peripheral cables are modular. The level of modularity gives us nearly as much freedom as a fully modular power supply, but at a much lower price. Moreover, Cooler Master equipped this line of PSUs with thicker PCIe cables, which is always a good thing when it comes to conductivity and efficiency. Although this is a budget power supply, we get semi-fanless operation, which isn’t critical in the real world since under 15% load it won’t be used.
As such, the MasterWatt offers better features at a lower price than most of its competitors.
SilverStone Technology 1200w~ Best PSUs for Nvidia RTX 3070
SilverStone Technology 1200 Watt Fully Modular 80 Plus Platinum Power Supply
Specifications
Form factor: SFX | Capacity: 1200W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 3 years
Key Features
92mm fan that is silent
Capacitors from Japan
An efficient +12V rail
Flat cable design with 100% modularity
In the last few years, SFX has certainly grown. We used to be limited to 400W power supplies, but now we have power supplies like the SX650-G. This is the best SFX power supply for handling the RTX 3070. Under moderate load, the SX650-G is both efficient and quiet. It is also entirely modular, with four PCIe connectors and seems to be targeted at enthusiasts. While the tiny PSU packs a lot of power, comparing it directly to ATX-based PSUs would not be fair.
Power supplies are typically quiet, but under heavy loads the 92mm LDB fan can get pretty loud, and some have even reported a coil whine. It is a solid power supply overall, but it may not be up to par with some of its competitors, like Corsair, especially at this price point.
RTX 3080 psu requirements
The RTX 3080 has a TDP (thermal design power) of 320 watts, which is significantly higher than the previous generation’s top-end graphics card, the RTX 2080 Ti, which had a TDP of 260 watts. However, it is worth noting that the power consumption of the RTX 3080 can vary depending on the specific model and the workload being performed. Some models can draw up to 370 watts under heavy loads, so it is important to check the manufacturer’s specifications for the exact power requirements.
RTX3070 power supply calculator~ Best PSUs for Nvidia RTX 3070
When building a PC with an RTX 3070 graphics card, it is important to ensure that you have a sufficient power supply unit (PSU) to provide stable and reliable power to the components. To determine the appropriate PSU wattage for your RTX 3070 build, you can use an online power supply calculator. Here are the steps to use a power supply calculator for an RTX 3070 build:
- Identify your system components: You will need to know the make and model of your CPU, motherboard, RAM, storage devices, and any other components you plan to install in your system.
- Determine the power consumption of each component: You can find this information on the manufacturer’s website or in the product manual. Be sure to use the maximum power consumption values, as this will ensure that your power supply is able to handle the highest power demands of each component.
- Input the component power consumption values into the power supply calculator: There are several power supply calculators available online, such as the ones provided by Newegg, OuterVision, or be quiet!. Simply enter the wattage of each component in the calculator and select the RTX 3070 graphics card option.
- Add additional power consumption factors: In addition to the power consumption of the individual components, you will need to account for any additional power consumption factors, such as overclocking, RGB lighting, or other peripherals. Add these values to the total power consumption calculated by the power supply calculator.
- Select a power supply with appropriate wattage and features: The power supply calculator will provide you with a recommended wattage for your power supply. Be sure to choose a PSU with a wattage rating that is higher than the recommended value to ensure stable and reliable power delivery. Additionally, look for a power supply with a high efficiency rating, modular cables, and other features that meet your needs and budget.
By using a power supply calculator to determine the appropriate PSU wattage for your RTX 3070 build, you can ensure that your system operates smoothly and efficiently, while minimizing the risk of power-related issues such as crashes, instability, or component damage.
RTX 3070 power consumption~ Best PSUs for Nvidia RTX 3070
The NVIDIA GeForce RTX 3070 is a powerful graphics card that offers excellent performance for gaming and creative workloads. As with any high-performance component, the RTX 3070 has a relatively high power consumption, and it is important to choose a power supply unit (PSU) that can provide sufficient and stable power to the graphics card and the other components in your system.
The power consumption of the RTX 3070 can vary depending on the specific model and the workload being performed. However, according to NVIDIA’s official specifications, the RTX 3070 has a maximum graphics card power (TGP) of 220 watts. This is the total power consumption of the graphics card, including the power drawn by the GPU, the memory, and other components on the card.
It is worth noting that the power consumption of the RTX 3070 can be affected by several factors, such as the workload, the thermal conditions, the manufacturer’s design and firmware settings, and the amount of overclocking performed. In some cases, the power consumption of the RTX 3070 can exceed the maximum TGP value, which may require a higher wattage PSU to avoid stability issues or damage to the components.
Final Thoughts on 11 Best PSUs for Nvidia RTX 3070
With the RTX 3070, Nvidia recommends a power supply of 650W, but this depends largely on the configuration and whether we are overclocking. Despite the fact that all of the PSUs on this list are capable of powering an RTX 3070 system, you have to determine which one will suit your computer. After all, an overclocked Threadripper isn’t the same as a mainstream 3600X. Be sure to analyze your options, take your budget into consideration, and pick the PSU that will fit your needs.