NVIDIA’s GeForce RTX 3070 is an enhanced version compared to its predecessors as its performance is much better than the other graphic cards. With this RTX 3070, you will experience realistic images with more clarity in images and more incredible visuals so you can play the most demanding games with the power that enhances an immersive experience like no other.
For such a powerful GPU you need to have a PSU that will be able to handle the power so regarding the power NVIDIA recommends having a 650W PSU or even 600W but it also works just fine with 550W if you have an average system. Also, if you suffer from having problems daily with your average system then upgrading to the best gaming PC under 1500 with a powerful PSU will also be a great option.
When choosing the best PSU for RTX 3070, I researched to find the best PSUs so that you may have the best one to enjoy your gaming sessions with no glitching at all. Let’s take a look at the finest selections for installing one in your PC.
Best Power Supply For RTX 3070
1. EVGA SuperNOVA, 220-GA-0650-X1
This power supply unit has a fully modular design which means no cables fixed to the PSU which reduces the clutter and improves airflow. The biggest advantage of a fully modular power supply is that you can remove any cable which you don’t need. Many users only need four or five cables to connect. Leading to a better cable management or even better cooling and lower temperature levels results in better performance for the rest of your hardware. This PSU has 6 PCl-e 6+2 pin connectors, 1 CPU/EPS connector, 9 SATA connectors, and 4 Molex connectors
Plus it is 80 plus gold certified meaning its efficiency rates differ according to its load. It features 100% Japanese capacitors which are used for overall increased reliability. Also, it exhibits LLC resonant circuit design +DC-DC converter design that improves durability and stability.
Moreover, it features a double ball bearing fan and has an EVGA eco mode for exceptional reliability and quiet operation. So, this power supply unit just sums up all the exceptional in one. Last but not the least, it has about 10 years of limited warranty and comes with unparalleled EVGA Customer Support.
Also Read: Best RTX 3070 Graphics Card
2. Thermaltake Toughpower Grand PS-TPG-0650FPCGUS-R
This power supply unit has a 100% high-quality build with 105-degree celsius Japanese capacitors which enhance its durability and provide exceptional performance with the highest stability and reliability. It has a fully modular design so there is no fuss of tangled wires.
There is a Smart Zero fan that works very quietly with zero noise when the load is below 20%. The fan will start functioning when the load is above 20%. If there is a need for spinning the fan constantly, a switch is available for it. It is pretty efficient as it has 80Plus Gold certification and has a 10-year warranty.
This PSU makes use of RGB lights. There is a Thermaltake Toughpower Grand RGB Gold Series that consists of a patented Riing 14 RGB fan (pre-installed and having 5 lighting modes) and has built-in memory. The colors available for RGB Cycle include Solid green, blue, white, and an LED Off mode. Due to built-in memory, the color combination selected will be saved, and whenever the PC is booted the same color selection will appear. When the PSU is placed facing-up, it not only provides a wonderful view of the RGB lighting but also decreases the temperature of the PSU and the computer system up to 3-degree centigrade.
The Riing 14 RGB fan is equipped with concentrated compression fan blades. Hence, the weaker, inner circle of air is pushed out helping the outer section to pressurize the air. The hydraulic bearings ensure that the noise level remains ultra-low. The system has anti-vibration mounting that ensures stability while the fan operates. In addition, in-mold injection anti-vibration rubber pads ensure 80% protection on all four corners.
3. Corsair RMX Series (2018), RM650x
This power supply unit not only has a quality build with a semi-matte finish but also provides exceptional performance. The fan grille is designed to have parallel lines on it. It is perfect for upgrading if your current PSU has started giving you problems. It has a set of fully modular cables for maintaining an uncluttered PC. The modular panel has nine sockets out of which three are for PCl-e and ESP cables. It is not only economical but also pretty efficient. It has 650W power as recommended by NVidia to power the RTX 3070.
The medium-speed rifle-bearing fan stops running when the power usage is low. Whereas under light and moderate load, the semi-passive mode keeps the fan inactive. Moreover, the curved fan blades help in reducing the noise level. This Corsair PSU offers full power constantly at a temperature of up to 50-degree centigrade. Hence, it is equipped with heat-tolerant components which means it can provide consistent power without getting too heated up. The +12V rail provides up to 54A and the minor rails provide up to 130W. Since the new GPUs of AMDs and NVidia’s consume less power, the power provided by this PSU is quite sufficient.
Plus, it has safety features like OCP for the minor-rails and protection against over-temperature. The EMI stage is also protected by a copper shield that helps to lower the EMI noise. A small thermistor located in front of the PFC coil helps in protecting against the large inrush currents. Moreover, the ripple suppression of this Corsair’s PSU is simply exceptional; matched by very few PSUs.
This PSU is 80 Plus Gold certified due to its efficiency, heat-reducing capability, and the amount of heat it draws itself. Under normal loads, it offers quite a high efficiency whereas under light loads it delivers just a good performance. Also, it comes with a 10-year warranty so you don’t have to worry about its maintenance.
4. Antec Earthwatts Gold Pro Series EA650G Pro
This power supply unit has exceptional features and is extremely efficient with an efficiency of up to 92%. Its exceptional performance is due to its high-quality build with supreme quality components, power converters topologies, safety specifications, harmonic suppression system, and meeting the IEC standards. It consists of hybrid modular cabling, a very quiet 120mm fan that is controlled by Antec’s Thermal Manager, and standard protection of CircuitShield. Hence, can be used for medium to high-level gaming.
The Antec Earthwatts PSU is semi-modular and has pre-installed cables of 24-pin ATX & 8-pin EPS that are coming out of the PSU. The rest of the cables are modular so they can be connected when required. The input AC voltage is 100 to 240 VAC, input frequency between 50 to 60Hz, and an efficiency of 92% at a normal load. The temperature at which it operates ranges between 0 to 40-degree centigrade. A power supply of 600W is delivered by this PSU as it has +12V rail and 50Amperes on it.
The 120mm fans are super quiet to provide a quiet performance. The fan grill is located on the top side. The fan’s quiet performance is due to the fact that it is thermally controlled and has low voltage fan control. It helps in making use of the heat in the best possible manner and also minimizes the noise. The entire backside of this PSU has a mesh covering that helps to dissipate the heat effectively. However, the bottom side has a solid covering with no vent at all.
The feature that sets this PSU apart is its resonant LLC circuit topology-based power conversion due to which it delivers very high efficiency as compared to other PSU’s which do not have this feature. Another feature that helps in increasing its efficiency is the resonant frequency of Inductor – Inductor-capacitor circuit and zero switching losses. The components at the input stage are epoxy potted so there is resistance to vibration, provision of thermal conduction, and ability of shock absorption. This is a green power supply unit as it follows the ERP Lot 6 certification. Therefore, it not only saves power but also reduces the electricity bills. It is also 80 Plus Gold certified.
5. SilverStone Technology SST-SX650-G
Though this PSU has a compact build, it provides high-end performance. With four PCl-e connectors, it has the ability to support two high-end graphics cards. It is a fully modular PSU with flat cables that are built with black wires. All the cables are quite short and flexible so they help in making the routing easier. It uses all Japanese capacitors. It has a 92mm fluid dynamic fan that provides excellent airflow with a quiet performance under light and moderate loads. However, if you exert a high load, the fan spins faster and gets a bit loud.
This Silverstone PSU has several protections available such as Over and Under Voltage protection, Over-Power protection, Over-Current (+12V) protection, Over-Temperature protection, Short Circuit protection, Surge protection, and Inrush Current protection. It also has a strict ±3% voltage regulation and a generally acceptable ripple suppression for a compact power supply. Such a small unit does not have much space for extra filtering capacitors. Also, it does not have any protection against fan failure.
The voltage of +12V rail is pretty efficient and provides up to 54Amperes. On the other hand, the minor rails deliver enough for any modern PC. The 5VSB rail provides almost 4 Amperes practically until the over-current protections limit it. On the primary side, it has a half-bridge topology with an LLC resonant converter while the secondary side has six FETs that regulate the +12V rail and a couple of DC-DC converters for generating minor rails. It is 80 Plus Gold and ETA-A efficiency certified. Its efficient performance helps in minimizing the waste heat and also to save on the electricity bills.
6. Cooler Master Watt
This power supply unit has an impressive design with a glossy finish. It has semi-modular cables, semi-passive fanless operation, and a power output of 650W. It uses Dual Forward and DC-to-DC topology for keeping the voltage stable under all conditions.
The 24pin and 8pin power cables which are the main cables are hardwired to the PSU. They look like bundled wires with plastic sleeving. The accessory cables have two SATA power cables that consist of four plugs each. One plug is straight while the rest of the three are perpendicular to the cables. The third accessory cable features a small floppy style Molex connector. It has four-pin Molex connectors that are three in number. It also has a single SATA power connector. Last but not the least, it has a pair of PCl-e wires with two 8pin connectors on each cable.
The Cooler Master Watt has a Silencio FP 120 fan with an LDB bearing. A combination of LDB bearing with quiet fan blades offers quiet performance for a long time. When the load is 15 percent, the fan does not function and offers zero dBA. However, when the need for power increases, it provides cooling with very little noise or no noise at all (at any output level). The Cooler Master Silencio FP fan is designed with a very wide and sweeping blade pattern so that the air that PSU draws in maintains the cooling with a minimal noise level.
It functions at 100-240Vac. The input current is 10-5A and the input frequency is 50-60Hz. It also has 16AWG power cables for PCl-e cables that provide enhanced performance by reducing resistance. Hence, improved efficiency of 85% is achieved which provides you with a safe user environment. Moreover, it is 80Plus Bronze certified and has a 5-year warranty.
7. NZXT C650 – NP-C650M [Editor’s Choice]
This Power supply unit has a high-quality build and provides exceptional performance with quiet operation. It offers a ten-year warranty. It is fully modular, has an 80Plus Gold and ETA-A certification with 88 to 91% efficiency. Being fully modular, it has no cables hardwired to the chassis. The cables feature black wires and black connectors. The SATA and Molex cables are flat and have bare wires that are connected to each other. The PCl-e, CPU, and 24-pin ATX cables feature nylon sleeving for the protection of wires. Hence, the sleeved wires not only look great but also resist heat damage and fraying; thereby ensuring long-lasting performance and durability.
The cooling is provided by a 122mm Fluid Dynamic bearing fan that can perform quite well and for a longer time under normal operating conditions. The noise level is just 20 to 25dBA. There are two modes of cooling — the basic mode and the hybrid mode. In basic mode, the fan’s speed is thermally controlled and it keeps spinning continuously. In hybrid mode, the fan completely stops spinning when no load is there and no active cooling is required. It includes several protections such as over and under-voltage protection, over power protection, over current (+12V) protection, over temperature protection, short circuit protection, surge protection, and inrush current protection.
Moreover, this PSU comes with an EMI filter that consists of all essential parts that filter incoming and outcoming emissions. MOV suppresses voltage increase that comes from the network. Inrush current protection is due to the NTC/relay combo. The 12V rail is handled by the two Nexperia FETs while minor rails are generated by VRMs.
Replacing the PSU can be quite problematic and then finding the one compatible with your hardware is super exhausting. The above-listed PSUs can help you choose the one that is best for RTX 3070. You can select from the compact ones and the ones a bit bigger according to your requirement. All the PSUs mentioned have great efficiency and deliver excellent performance. The fans provide cooling with the minimum noise levels under normal loads. The cables do not make a mess and can be easily routed. Some of the PSUs have some distinguishing features that make them stand out among the typical ones.
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