10 Best PSUs for RTX 3070 2021

These picks for the best PSU for RTX 3070 makes sure, you won’t face any power break with the powerful new hardware, if you’re upgrading your PC for NVIDIA’s next-gen 30-series graphics cards (GPU). This is especially true if you’re currently using an low powered or old PSU. If your PC not getting required power will usually lead to overall system crash and game crashes. NVIDIA recommends at least a 650W power supply unit (PSU), which is where we will focus in this roundup.

If you are ready to upgrade, our best PSU for RTX 3070 pick is the Corsair RM750x.

Nvidia with its announcement of Ampere GPUs, made it clear that they’re going to be a massive step up in performance. Despite a new more efficient chip design they are also going to be power-hungry. Nvidia state that the RTX 3070 draws 220 Watts and requires a 650W power supply, whilst the RTX 3080 and RTX 3090 both state that a 750W power supply is required.

Power Supply Requirements for Nvidia GeForce RTX 3070

Finally, for the Nvidia GeForce RTX 3070 PSU requirements, you’ll “only” need 650W for Core i5/i7 & Ryzen 5/7 systems, 750W for Core i9/Ryzen 9 systems, and 850W for HEDT/Threadripper platforms.

Recommendations For The Best PSUs for RTX 3070

  1. Cooler Master Watt 650 Watt Semifanless Modular Power Supply
  2. be quiet! Straight Power 11 650W
  3. EVGA 750 BQ, 80+ BRONZE 750W
  4. Corsair RMX Series RM750x 750 Watt
  5. Thermaltake Toughpower iRGB Plus 850W

1. Cooler Master Watt 650 Watt Semifanless Modular Power Supply

Cooler Master Watt 650 Watt Semifanless Modular Power Supply

One of the most vital parts of the computing system is the power supply unit for many apparent reasons. As it is responsible to convert the AC supply to low direct current as much as the computer needs, so that the systems can be saved from the overflow of current, resulting in damaging the devices and sensitive components in the computer. As basic and boring as these things sound, without them, your computer would just be a box of metal.

Considering the importance of these units Cooler Master has launched their modular power supply unit to rectify and provide the perfect amount of voltage your computer needs. There is no hiding the fact that it is an 80 plus bronze rated unit making it very budget friendly for the buyers having all the essential components there is need of.  Being a 650W semi-modular it is very compatible with ATX supported motherboards. It is a Semifanless unit which holds up to 15% of load offering zero dBA. It provides measured cooling smartly when the demand of power supply increases.

On top of that it has little to no noise while operating which makes you worry less about your system and focus on your work more. Better work efficiency is equal to more outcomes from your end. It is a guaranteed design of dual forward and DC-to-DC charged circuit to keep the voltage supply stable when it reaches your computer. 

Notable features

  • 650W voltage supply
  • 5 year warranty
  • 24 Pin ATX supported
  • Noiseless working (13 dBA)
  • Honeycomb mesh grill

To increase its work efficiency it is loaded with 16 AWG power cables to reduce resistance in the voltage supply reaching it to every end of all components. It is a fine dust-proof, noiseless machine with a 5 year warranty and 160,000 hours of a long lifespan. This device has reasonable pricing for anyone who wants to buy this simplistic yet important featured unit without getting short on money and getting all what he needs


2. be quiet! Straight Power 11 650W

be quiet! Straight Power 11 650W

The name speaks for itself and urges you to look into this product if you are looking for a power supplier unit which does not make incomprehensible noises while functioning but there is more to it than just soundless working capability. A German manufacturer company Be Quiet’s experts joined heads to make a machine that is above everything else. Since a PS unit is an essential part of any device which controls the current voltage to the maximum and feeds it wherever and whenever it is needed, they came up with this 80 Plus Gold rated modular BN617 adding it in the list of best PSU for RTX 3070.

This device is a smartly designed technology balanced between noiseless operating and high end quality with straight power 11 series which has 6 modules. It comprises 650W of voltage and 80Pus Gold certification for the price which seems initially high at a glance but if you get to notice the amazing features it seems quite reasonable. The box contains detachable AC power cables in an all modular design. Even the main ATX 24-pin is also easy to remove. 

It is almost inaudible fan quality that speaks in the name tag is a silent killer wing 3 135mm funnel shaped fan opening at the mouth of the case. The DC side is wire-free to enhance the longevity of cooling. Supporting a multi GPU with 4 PCIe connectors is quite a deal that has raised the bar for other ordinary units. This wholesome deal also provides 93% stability in the voltage supply making it work efficient.

Key Features

  • 650W output
  • 750W wattage
  • 80plus gold certification
  • Full modular supply design
  • 12-v railspower GPU system
  • 13mm 3 winged fan

3. EVGA 750 BQ, 80+ BRONZE 750W

EVGA 750 BQ, 80+ BRONZE 750W

Power supply into your computer systems is the most basic yet important part of working in this era of technology. Most brands offer high pricing platinum or titanium units that come in a high pricing to build the overall ratings. It may be the punch line to grab more customers but for anyone who is just looking for a competitive device to replace a unit that expired early within his budget will definitely look into EVGA BQ-0750-V1 in the list of best PS units for RTX 3070.

With the output of 750W current BQ series has landed among the rising power units providing absolutely everything a standard system needs. A 140mm Teflon Nano steel bearing fan silently operating makes it noiseless and better while working. It also serves with heavy duty protection service offering over voltage protection (OVP), under voltage protection (UVP), overcurrent protection (OCP), OPP and SCP adds values to the overall body and price range of this technology.

80Plus bronze certified gives a warranty of 5 years while it works perfectly in all conditions making your computer safe, environment friendly and working for hours. Adding more to its charms is the massive connectivity options with its semi modular design build serving with 9 SATA connectors, 6+2 pin connectors, 5 molex connectors and 3 PCIe connectors. Getting the machine up to 85% higher rate performance efficiency with Japanese capacitors ensures a longer reliability option for the user and a best device to go spend your money on.

Key Specifications

  • 750W power supply
  • Semi modular design
  • 80+ Bronze certified
  • 3 PCIe connectors, 6+2 pin connectors
  • 9 SATA cable connectors
  • 5 Molex connectors
  • 5 year warranty

4. Corsair RMX Series RM750x 750 Watt

Corsair RMX Series RM750x 750 Watt

In this up-to-date era of technology Corsair is a company that makes its product up to the mark quality without a question of doubt. It was long when this brand launched its advanced and improved version of power supply unit RM750x from its RMx series. while you are searching for a standard but a refreshed version of a power house unit for RTX 3070 you get to see this machine in the list. Not only budget friendly but it serves you with one of the best features.

Something that is 80plus gold certified fully modular build, has to have promising features such as lower power usage, cool temperature control and less noise uprising its overall performance rate for sure. It is tuned for being a noiseless creature having a 135mm cooling fan with curved wings that is still fully operational even if it is fully loaded for 100,000 hours. Fully modular design means now you can plug in or out the cables according to your access and ease.

Offering a zero RPM mode in the features of its fan at low and medium modes setup does not hinder its functionally instead the 100% industrial grading and 105 degree rated superb capacitors ensures the stability in power making this device very much reliable. This series is known to deliver extremely solid voltage control and for that it needs to have a compact size 160mm casting case. With every feature that is required to give you a kick start of a system it has built its trust for being very dependable among other brands.

Important Features

  • 750W 
  • 100% industrial grading
  • Japanese quality capacitors
  • 135mm curved winged fan
  • 80 plus Gold certified
  • 160mm casting case
  • 8 SATA connectors with 2 cables

5. Thermaltake Toughpower iRGB Plus 850W

Thermaltake Toughpower iRGB Plus 850W

Looking for more than ordinary seems to be limited when you have been using average working units for your system. It is time to upgrade your style and computer and switch to one of the best PS units for RTX 3070 known to mankind. Thermaltake is taking this action into the hands of its own to provide the users a premium experience of efficiency and quality combined. With the launch of toughpower Irgb plus Gold series it has created a new horizon of countless possibilities.

From the gold series premium edition this mesmerizing thing of today’s time  is famously known for its unique design and powerful build that offers 850W supply having first in line to come with a 16.8 million color ring and 14 RGB fan. This includes 18 addressable LEDs preinstalled in it to serve with countless luminous options. A fully modular design helps to attach any cable the system only needs at the time makes it very user friendly at the same time. Making it a TT RGB lighting software compatible with chrome and ALEXA allows it to be able to have access to countless customizable options.

The exclusive components deliver continuous and stable power supply to your system and maintain 50 degrees of temperature.  With the smart power management system now the users can control the lighting digitally and however they need it to be. For those who are not familiar with this system needs to shake hands with it as it is a cloud based software that deals with 3 platforms. This allows you to control your device with your computer or mobile if you are away from the system.

Notable Features

  • 850W maximum output
  • Peak output capacity 1020w
  • ATX TYPE 12V
  • Japanese capacitors
  • 12 SATA connectors
  • 24 pin connector
  • 6 PCIe connectors
  • 14cm hydraulic bearing fan

80plus gold certified supports work efficiency up to 90% and c6/c7 states ready device. Powerful Japanese capacitors with 105 degrees rated give a solid performance and stability while operating. Low ripple noise components make this machine reliable for a longer period of time. The package also comprises 24 pin connector, 4+4 pin x 2, 12 SATA, 6 PCIe, 4 x peripheral and 1 x FDD. Fully industrial grading protection serving (OCP) Over Current, (OPP) Over Power, (OVP) Over Voltage, (OTP) Over Temperature, and (SCP) Short Circuit protections.

Also See: Monitors For RTX 3070Monitors For RTX 3090Monitors For RTX 3080Motherboards for RTX 3080

Leave a Comment