Best Psu For 3080: A Complete Buyer’s Guide

Best Psu For 3080

The market has been flooded with a plethora of power supplies and the list is getting longer every day. But choosing the best power supply for your build can be difficult especially if you don’t know much about them. This buyer’s guide is aimed at helping you choose the best power supply for your build, whether it’s a small form factor build or a full-blown gaming rig.

Quick table with our top 3 picks:

Product
EVGA SuperNOVA 850 Ga, 80 Plus Gold 850W, Fully Modular, ECO Mode with Dbb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply 220-GA-0850-X1
Corsair RMX Series (2021), RM1000x, 1000 Watt, Gold, Fully Modular Power Supply
Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black
EVGA SuperNOVA 850 Ga, 80 Plus Gold 850W, Fully Modular, ECO Mode with Dbb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply 220-GA-0850-X1
Corsair RMX Series (2021), RM1000x, 1000 Watt, Gold, Fully Modular Power Supply
Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black
Product
EVGA SuperNOVA 850 Ga, 80 Plus Gold 850W, Fully Modular, ECO Mode with Dbb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply 220-GA-0850-X1
EVGA SuperNOVA 850 Ga, 80 Plus Gold 850W, Fully Modular, ECO Mode with Dbb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply 220-GA-0850-X1
Product
Corsair RMX Series (2021), RM1000x, 1000 Watt, Gold, Fully Modular Power Supply
Corsair RMX Series (2021), RM1000x, 1000 Watt, Gold, Fully Modular Power Supply
Product
Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black
Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black

Top 10 Best Psu For 3080 Reviewed

SaleBestseller No. 1
EVGA SuperNOVA 850 Ga, 80 Plus Gold 850W, Fully Modular, ECO Mode with Dbb Fan, 10 Year Warranty, Compact 150mm Size, Power Supply 220-GA-0850-X1
  • 80 plus Gold certified, with 90% efficiency or higher under typical loads
  • Fully modular to reduce clutter and improve airflow
  • 100% Japanese capacitors, LLC resonant circuit design DC-DC converter design to improve 3.3V. 5V. Stability
  • Double ball Bearing fan and EVGA eco mode for exceptional reliability and quiet operation
  • 10 year limited Warranty and unparalleled EVGA Customer Support
Bestseller No. 2
Corsair RMX Series, RM850x, 850 Watt, 80+ Gold Certified, Fully Modular Power Supply (Low Noise, Zero RPM Fan Mode, 105°C Capacitors, Fully Modular Cables, Compact Size) Black
  • 80 Plus Gold certified for lower power consumption, less noise and cooler temperatures
  • For maximum cooling surface area and performance
  • Zero RPM fan mode for near silent operation at low to medium loads; Continuous output rated temperature: 50°C
  • 100 percent industrial grade, 105°C rated Japanese capacitors ensure unwavering power and reliability
  • Fully modular cables, so you only connect the cables your system needs. Fan size-5.3 inches. iCUE Compatibility-No. Modern Standby Compatible- No
Bestseller No. 3
Antec PSU Cables, Sleeved Cable Extension Kit /24pin ATX /4+4pin EPS /8-pin PCI-E /6pin PCI-E PSU Extension Cable Kit 30cm Length with Combs, White Connector,White
  • Variety Customized Color to match with the color/rgb of the selected tower, gpu/cpu/ram, motherboard, case fan and cpu cooler.
  • 24 cable combs, easy cable management for routing M/B PCI-E cables and leaved no gap between individually sleeving cable wires.
  • Kept your case well with hard and high quality cable,making much cleaner in the case.Simple and straightforward to form to required shape and position.
  • The Thick cable has a warm sheen woven appearance. Triple Layer Weaving design with 16AWG, 300mm, 100% heatshrink-free.
  • Premium PET sleeve cables, included: (1) 24-pin ATX, (1) 4+4pin eps, (2) 8-Pin PCI-E, (2) 6-pin PCI-E; compatible with all power supplies.
SaleBestseller No. 4
Corsair 5000D Airflow Tempered Glass Mid-Tower ATX PC Case - White
  • The 5000D makes a stunning, showpiece-worthy PC easy to build, and even easier to keep cool with the space and flexibility to mount multiple 360mm radiators.
  • A high-airflow optimized steel front panel delivers massive airflow to your system for maximum cooling.
  • The CORSAIR RapidRoute cable management system makes it simple and fast to route your major cables through a single hidden channel, with an easy-access hinged door and a roomy 25mm of space behind the motherboard for all of your cables.
  • Includes two CORSAIR 120mm AirGuide fans, utilizing anti-vortex vanes to concentrate airflow and enhance cooling.
  • A motherboard tray with customizable fan mounts allows you to side-mount up to 3x 120mm fans or up to a 360mm radiator, enabling new flexible cooling options.
Bestseller No. 5
Pystar 850W Power Supply Full Modular PSU 80+ Gold,ES850
  • 【Fully Modular】: Fully modular with all black cables to improve airflow and reduce clutter.
  • 【80 PLUS】: 850W power supply with 80 Plus Gold certified, reach 90% efficiency or higher under typical loads.
  • 【Quiet Fan】: 140mm fan maintain good heat dissipation while keeping quiet.
  • 【DC-DC】: DC-DC structure makes the voltage output more stable and safe.
  • 【Warranty & Protection】: 10-year warranty with full protection including OVP/UVP/SCP/OPP/OCP.
Bestseller No. 6
EZDIY-FAB PSU Cable Extension 12Pin to Dual 8P,16AWG PCIe Sleeved Extension Cable for RTX 3060ti 3070 3080 3080ti 3090- Black [300mm]
  • The modding sleeved 12pin adapter is design for RTX 30' (3000) series PCIE graphics card and supports 3060ti/3070/3080/3080ti/3090.
  • Cable made of 16AWG wire suitable for high power requirement NVIDIA FE GPU, high temperature resistant flame retardant rubber sheet, pure copper core, thicker material, tinned protection, durable oxidation resistance.
  • High quality and good stability, use same standard cable as Nvidia adapter, high gauge wire to easily handle your super power supply, ideal for 500W - 1300W PSU.
  • The cable extension measure 30cm in length and equipped with combs for a clean cable management and a uniform design
  • The PET mesh sleeved design, High-quality flexible and easy to organize with vivid braided, contains three cable combs for clean and tidy cable management
SaleBestseller No. 7
ASUS ROG Strix 850W White Edition PSU, Power Supply (ROG heatsinks, Axial-tech Fan Design, Dual Ball Fan Bearings, 0dB Technology, 80 Plus Gold Certification, Fully Modular Cables, 10-Year Warranty)
  • ROG heatsinks cover critical components. Lower temps result in a longer lifespan and reduced noise.
  • Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.
  • Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
  • 0dB Technology lets you enjoy light gaming in relative silence.
  • An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components.
Bestseller No. 8
Corsair RMX Series (2021), RM1000x, 1000 Watt, Gold, Fully Modular Power Supply
  • Fully modular, so you only connect the cables that your system needs.
  • A 135mm ML fan utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
  • EPS12V connector for compatibility with modern graphics cards and motherboards.
  • 100% Industrial-grade, 105°C rated Japanese capacitors ensure unwavering power and reliability.
  • Supports Modern Standby sleep mode for extremely fast wake-from-sleep times and better low-load efficiency.
SaleBestseller No. 9
Skytech Shiva Gaming PC Desktop - AMD Ryzen 5 5600X 3.7GHz, RTX 3080 10GB GDDR6X, 16GB DDR4 3200, 1TB NVMe SSD, 750W Gold PSU, AC WiFi, Windows 10 Home 64-bit
  • ✔ AMD Ryzen 5 5600X 6-Core 3.7 GHz (4.6 GHz Turbo) CPU Processor | 1TB NVMe SSD
  • ✔ GeForce RTX 3080 GDDR6X 10GB Graphics Card (Brand May Varies) | 16GB DDR4 3200MHz Gaming Memory | Windows 10 Home 64-bit
  • ✔ 802.11AC | No Bloatware | Graphic output options include 1 x HDMI, and 1 x Display Port Guaranteed, Additional Ports may vary | USB Ports Including 2.0, 3.0, and 3.2 Gen1 Ports | HD Audio and Mic | Free Gaming Keyboard and Mouse
  • ✔ 3 x RGB Fans | Powered by 80 Plus Gold Certified 750 Watt Power Supply | In Win 101 mATX Mid-Tower Gaming Case with Tempered Glass – White | 1 Year Warranty on Parts and Labor | Lifetime Free Technical Support | Assembled in the USA
  • ✔ This powerful gaming PC is capable of running all your favorite games such as Call of Duty Warzone, Fornite, Escape from Tarkov, Grand Theft Auto V, World of Warcraft, League of Legends, Apex Legends, Roblox, PLAYERUNKNOWN’s Battlegrounds, Overwatch, Counter-Strike: Global Offensive, Battlefield V, Minecraft, The Division 2, and more at High to Ultra settings, crisp 1440p Quad HD resolution and smooth 60+ FPS game play.
Bestseller No. 10
EZDIY-FAB RTX 3000 Series 12 Pin to Dual 8 Pin PCIe Sleeved Extension Cable 300 MM- Connector for NVIDIA Ampere GEFORCE RTX 3060ti 3070 3080 FE Funder Edition- White
  • The modding sleeved 12pin adapter is design for RTX 3000 series PCIE graphics card and supports 3060ti/3070/3080.
  • Cable manufactured with 18AWG wires and come in a high-density flexible protective sleeve allowing for a stiff yet adaptable temperament.
  • High quality Excellent stability, use UL1007 standard cable, high specification wire easily handle your ultra highpower power supply, perfect for 500W - 1300W PSU.
  • The cable extension measure 30cm in length and equipped with combs for a clean cable management and a uniform design
  • Not recommend to connect this cable extension to RTX3090.

Buying Guide For The Best Psu For 3080

1. What are the most important factors to consider?

The most important thing to consider when buying a power supply is its efficiency and wattage. A good power supply will have a high wattage rating, ideally above 80-100 watts. The higher the wattage, the more efficient it will be since it will draw less power from the wall. This means that you can use less expensive components for your build, resulting in better performance for less money.

2. What is thermal performance?

Thermal performance refers to the amount of heat generated by your power supply during operation. Most modern power supplies are equipped with temperature sensors that allow them to shut down automatically if they detect abnormally high temperatures in their internal components. If your power supply shuts down because of overheating, you know that this is not an efficient unit because it will waste more energy than necessary simply by running at full throttle all the time. However, some manufacturers claim that their units can dissipate heat even under heavy load and thus remain cool even when operating at maximum capacity for prolonged periods of time (we’ll see later whether these claims are true).

3. What kind of connectors do I need?

Your motherboard usually comes with a set of connectors which should be sufficient for powering most components in your build but if you plan on adding more components like hard drives or graphics cards, then you’ll need additional cables and connectors. Some motherboards come with extra SATA cables and PCI Express cables but if not make sure that the motherboard you are getting has the proper connectors for your components. If you plan on adding more than one graphics card to your build, then make sure that your power supply has multiple PCI Express connectors so that you can connect multiple graphics cards to it.

4. What is the maximum wattage I can use?

Since efficiency is a key factor in choosing a power supply, it’s important to know how much wattage your build is going to require. Remember that the higher the wattage rating, the more efficient it will be, and thus less power will be required from your wall outlet. The maximum recommended wattage for any gaming system is 150 watts but this number depends on factors like whether or not you plan on using SLI or Crossfire and whether or not you’re using high-end components. Most manufacturers recommend using 80 watts of power but if you plan on overclocking your processor, then make sure that it’s compatible with the motherboard and power supply combination because overclocking can put extra strain on both components so use them wisely when building a gaming rig.

5. How many PCI Express connectors does my motherboard have?

Most motherboards come with at least one PCI Express slot, which allows for connecting multiple graphics cards to a single power supply unit (PSU). However, some motherboards have more than one slot so make sure that yours does before buying additional PCI Express cables and connectors from external sources because they’re usually much more expensive than those sold by motherboards themselves (often double or triple the price).

The Bottom Line

Building a gaming rig is fun and exciting but there’s a lot to think about before you begin including what components you want to use and how much power they’ll require. Use this guide as a guideline when building your own gaming rig because it contains all the information you need in order to get started.

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