Which Best 400w Power Supply Should You Buy Now?

Choosing the best 400w power supply can be difficult without the proper guidance. With a vast number of items launching every day, a lot in every niche can make it a little confusing to choose the right item for anyone. So many companies with broad advertising campaigns can confuse the consumers to find what is best for them.

So, our team has carefully given information on choosing the products looking at the right features, uses and advantages. We have also provided brief reviews of the most popular online items to help you easily choose the best one.

# Preview Product Price
1 EVGA 100-N1-0400-L1 , 400 N1, 400W, 2 Year Warranty, Power Supply 100-N1-0400-L1 $34.69
2 Coolmax I-400 400W ATX 12V V2.0 Power Supply (not Compatible with PCI-E) $21.98
3 Raidmax XT Series RX-400XT 400W ATX12V V2.3 Power Supply $32.00
4 APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply $31.99
5 UCTRONICS 400W AC to DC Power Source and Case, Switching Power Supply Constant Voltage Stabilized Regulator and CNC Housing Bundle for Riden RD6006/RD6006W $69.99
6 Chengliang Power Supply Dc 24v 17a 400w Original Ender 3 3D Printer Switching PSU UL Certified $33.77
7 inShareplus 12V 33A 400W, DC Universal Regulated Switching Power Supply, Converter AC 100-240V to DC 12 Volt LED Driver, Transformer, Adapter for LED Strip Light, 3D Printer, Radio, Computer Project $29.99
8 Mackertop 400W Power Supply PSU Compatible with HP 280 288 480 600 800 G3 G4 942332-001 PA-3401-1HA $79.00
9 MiliPow 400W Power Supply Unit (PSU) Compatible with HP 280 288 480 600 800 G3 G4 942332-001 PA-3401-1HA $72.97
10 JMWaaBong Switch Mode Power Supply 400W 12V 33A Constant Voltage LED Driver 12VDC Rainproof Outdoor 110V AC to DC 12 Volt Transformer Converter (FX400-H1V12) $52.99

Our 10 Best 400w power supply Reviews In 2022

Check out the 400w power supply reviews and compare their features, uses, pros and cons to determine your favorite item from the below list.

400w power supply

1. EVGA 100-N1-0400-L1 , 400 N1, 400W, 2 Year Warranty, Power Supply 100-N1-0400-L1

Brand: EVGA

Model: 100-N1-0400-L1

Size: 400W

Dimention: 2 * 2 * 1

  • EVGA 400W N1 series
  • Heavy-duty protections including OVP, OPP, and SCP
  • Fan Size/Bearing: 120 millimeter sleeve bearing – Quiet and intelligent auto fan for near-silent operation
  • 2 year & EVGA’s 24/7 technical support

2. Coolmax I-400 400W ATX 12V V2.0 Power Supply (not Compatible with PCI-E)

Brand: Coolmax

Model: I-400

Dimention: 2 * 2 * 1

  • Connector: 1x 20+4-pin Main Connector; 1x?P4 Mainboard Power Connector; 2x 15-pin SATA Connectors; 3x Peripheral Connectors; 1x 4-pin Floppy Connector
  • Total Power: 400 W. Input- 100 ~ 132V AC / 200 ~ 264V AC
  • ATX12V version 2.0
  • Serial ATA 150 ready
  • Cooling System: 1x 80mm Low Noise Cooling Fan
  • Single +12V output design

3. Raidmax XT Series RX-400XT 400W ATX12V V2.3 Power Supply

Brand: Raidmax

  • PCI-Express Connector 1 x 6-Pin SATA Power Connector 4 SLI No CrossFire No Modular No Efficiency up to 78% Over Voltage Protection Yes Overload Protection Yes Input Voltage 110 – 240 V
  • Input Frequency Range 50/60 Hz Input Current 15 A Output +3.3V@16A, +5V@16A, +12V1@28A, -12V@0.5A ,5VSB@2.5A MTBF >100,000 Hours Approvals FCC, CE Dimensions 3.50″ x 6.00″ x 5.75″
  • Brand RAIDMAX Model RX-400XT Series XT series
  • Type ATX12V / EPS12V Maximum Power 400W Fans 1 x 120 mm Fan PFC No Main Connector 20+4Pin +12V Rails Single

4. APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply

Brand: Apevia

Model: SFX-AP400W 

Dimention: 1 * 2 * 2

  • Dimension: 125mm x 100mm x 63.5mm (4.92″ x 3.94″ x 2.5″) – L x W x H
  • Cooling: 1 x 80mm Automatically Thermal Sensing Fan. All Cables are Sleeved
  • Output: +3.3V@12A, +5V@12A, +12V@28A, -12V@0.3A, +5Vsb@2.5A
  • APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply
  • Connectors: 1 x 20+4pin Main Power, 1 x 4pin 12V(P4), 1 x 6/8pin PCIe, 2 x SATA, 2 x 4pin Molex, 1 x 4pin Floppy

5. UCTRONICS 400W AC to DC Power Source and Case, Switching Power Supply Constant Voltage Stabilized Regulator and CNC Housing Bundle for Riden RD6006

Brand: UCTRONICS

Size: for RD6006/RD6006W

Color: S-400 Case and 400W Power Supply

  • Multiple Protection Mechanism: Anti-reverse protection, overvoltage protection (OVP), overcurrent protection (OCP), overload protection (OPP), over-temperature protection (OTP).
  • For RD6006/W: A assorted bundle for RIDEN RD6006 and RD6006W, includes a switching power supply which is a 400W AC to DC power source, a CNC Housing, a cooling fan and fan’s power supply board, a power socket, a power switch, wires and assembly accessories.
  • NOTE: 1. This bundle is unassembled; 2. RD6006/W is not included, please search for U6231 to get; 3. The wiring requests a high level of expertise, non-professionals must not operate.
  • Intelligent temperature control : When the temperature reaches above 60 ℃, the fan starts to work
  • Paper Instruction Included: Make it clear of assembly and wring to avoid short circuit and risk being caused. Input: AC 110V 8A/220V 4A; Output: DC 60V 6.7A; Can also be used to power stepper motors; Please switch the input power 110V/220V of the AC to DC power source before power on avoiding damage.

6. Chengliang Power Supply Dc 24v 17a 400w Original Ender 3 3D Printer Switching PSU UL Certified

Brand: CHENGLIANG POWER SUPPLY

Model: CL-P400W24V-D

Size: Chengliang Power Supply CL-P400W24V-D

Color: Silver

Dimention: 0 * 4 * 2

  • You get one original ender 3d printer power supply CL-P400W24V-D warranty 3 years 24hrs online service
  • Power supplies input voltage 100-120/200-240vac by switch convert ac 100-120v/200-240v to dc 24v 17a 400w
  • Smart full protections SCP OVP UVP OPP OCP OTP passed UL cooling fan power on auto works Noise≤35dB
  • Withstand 300V AC surge input for 5 seconds
  • No load power consumption<5W
  • Efficiency over 86% for 3d printer CCTV monitoring led light strip industrial automation communication
  • 100% full load burn-in test
  • 24v power supply 24 v regulated universal 24 volt adapter output 24 vdc 17a 400w certified DK-87763-UL
  • Withstand 5G vibration shock
  • Warranty 3 years

7. inShareplus 12V 33A 400W, DC Universal Regulated Switching Power Supply, Converter AC 100-240V to DC 12 Volt LED Driver, Transformer, Adapter for L

Brand: inShareplus

Size: 12V 400W

  • Circuit Short Protection, Overload Protection and Over Voltage Protection Ensures the Safety of Using This Power Supply
  • Dual input voltage: AC 110V/220V. There is a switch, choose the proper voltage before use. Please set the switch to 110V for USA.
  • Metal Enclosed Body is good for Heat Dissipation which Can Prolong the Lifespan of the Power Supply
  • Widely used in Industrial automation, LED display, CCTV, Radio, Computer Project, LED Strip Lights, 3D Printer etc.
  • Universal Input: 100-240V AC; Output: 12V DC 33A

8. Mackertop 400W Power Supply PSU Compatible with HP 280 288 480 600 800 G3 G4 942332-001 PA-3401-1HA

Brand: Mackertop

  • Input: 100-240 V, 50-60 Hz,5.2A
  • Warranty: 12 Month Warranty. Contact us if you have any problems
  • Output: + 12.1Vmain == 16A, + 12.1Vcpu == 16A,+ 12.1VG == 16A,Total power:400W
  • Compatible part number: 942332-001 PA-3401-1HA
  • Compatible model: For HP 280 288 480 600 800 G3 G4

9. MiliPow 400W Power Supply Unit (PSU) Compatible with HP 280 288 480 600 800 G3 G4 942332-001 PA-3401-1HA

Brand: MiliPow

Model: SB167267

  • 【Input】 100-240 V, 50-60 Hz,5.2A
  • 【Compatible part number】942332-001 PA-3401-1HA
  • 【Output】+ 12.1Vmain == 16A, + 12.1Vcpu == 16A,+ 12.1VG == 16A,Total power:400W
  • 【Warranty】12 Month Warranty. Contact us if you have any problems
  • 【Compatible model】For HP 280 288 480 600 800 G3 G4

10. JMWaaBong Switch Mode Power Supply 400W 12V 33A Constant Voltage LED Driver 12VDC Rainproof Outdoor 110V AC to DC 12 Volt Transformer Converter (F

Brand: JMWaaBong

Model: SANPUFX400-H1V12

Color: Sliver

Dimention: 1 * 5 * 2

  • CE & RoHS certification. 2 years factory warranty and long working lifespan. Refund/replacement for any problem in 2 years.
  • Automatic Protections: short circuit, over load, over voltage, over temperature.
  • Universal power supply with sealed terminals. Widely used in LEDs, 3D printer, security, etc.
  • Factory directly sale. Professional consult and guide pre & after sales.
  • 100% New in original packaging. Full refund to you if you are not satisfied with our product.

How to Choose the Best 400w power supply ? 10 Tips

When you are looking to buy a product, there are a few things that you will want to keep in mind in order to ensure that you are getting the best possible product for your needs. Here are a few tips on how to buy a product:

Do your research

Before you commit to any purchase, make sure you have done your research and know exactly what it is you are looking for. This will help you avoid buyer’s remorse and ensure that you get exactly what you need.

Consider your budget

It is important to consider your budget when you are looking to buy a right 400w power supply . This will help you to narrow down your options and find a product that fits within your budget.

Consider the Fit and Size

The fit of the product is very important. If the product does not fit well, it will be uncomfortable to wear and may not function properly.

There are a few things to consider when choosing the right size for a 400w power supply . First, measure the area where the product will be worn. Second, consider the type of activity that will be done while wearing the product. Finally, try the product on to ensure a comfortable fit.

Quality of the Product

Regarding the quality of a 400w power supply , it is important to consider the materials used, the manufacturing process, and the overall design. All of these factors play a role in the quality of the final product.

Comfortable

Consider the type of activity that will be done while using the product. Depending on that, you should check out how easy it is to use in the activities. Try to find a comfortable 400w power supply that makes the whole user experience easy and simple.

Material Used

The materials used in the top 400w power supply can affect its quality in several ways. For example, using higher quality materials can make a product more durable. The manufacturing process is also important to consider.

Design of the Item

The overall design of a product can impact its quality. A well-designed product will be user-friendly and aesthetically pleasing. A well-made product will be made with precision and care.

Compare options

Once you have researched and considered your budget, it is time to compare your options on buying the 400w power supply . This will help you to find the best possible product for your needs.

What are your deal breakers

Once you have considered all of these factors, you can start to narrow down your options. For example, if you have a limited budget, you may want to consider a cheaper 400w power supply . Or, if you have specific needs, you may want to look for a product that meets those needs.

Make your decision

When you’re considering making a purchase, it’s important to weigh your 400w power supply options carefully. You’ll want to consider things like quality, price, and whether the product is right for your needs. Once you’ve done your research, you’ll be able to make an informed decision about which product to buy.

Once you have decided on the 400w power supply , be sure to read the fine print and understand the terms and conditions of the purchase. By following these tips, you can be sure that you are making a wise and informed purchase.

Benefits Of Buying Products from Online Stores

The internet has become a powerful tool that provides people with various online stores where they can buy products. The following are several benefits of buying products from online stores:

Comparability

When you buy a 400w power supply online, you can see how much it costs at different stores without even leaving your home. This makes it easy to compare prices and find the best deal. You can also read reviews from other customers before making a purchase. This helps you to make an informed decision about whether or not the product is right for you.

Hassle-free

Online shopping has become the preferred method of shopping for many consumers. The ability to shop from anywhere at any time is a major benefit. Consumers can find the best deals and the widest selection of 400w power supply s. They can also avoid the crowds and the hassles of traditional shopping.

Reliable from Traditional Shopping

When shopping online, customers can be sure they are getting what they expect. With online retailers, there is less chance for error, as customers can see exactly what they are ordering.

This is not always the case with traditional stores, where 400w power supply s may not look the same in person as they do online.

Online shopping also offers more reliability in terms of shipping and delivery. Customers can track their order and know exactly when it will arrive.

Easier to Purchase from Different Areas

Online shopping is becoming increasingly popular for several reasons. It is convenient, easy to compare prices and find the best deals, and there is a wider selection of products to choose from. Online shopping is a great solution for those who are busy and have little time to spare.

It is also ideal for people who live in rural areas or do not have easy access to brick-and-mortar stores.

Gives the Best Deals

The advent of online shopping has made it possible for consumers to find competitive prices on the 400w power supply s they need. By comparison shopping, consumers can find the best deals on the items they want.

This has led to a more competitive marketplace, as retailers strive to offer the best prices to consumers. Online shopping has made it easier for consumers to find the best prices on the products they need.

You Can Avoid Crowds

Online shopping is the way to go if you’re looking to avoid crowds but still want to shop ’til you drop. With online shopping, you can shop from the comfort of your home without worrying about dealing with large crowds.

Plus, you can often find better deals on the 400w power supply online than you would in-store. So next time you want to do some shopping, skip the crowds and do it online!

Frequently Asked Questions

What size is best for choosing a 400w power supply ?

There is no definitive answer to the question of what size is best for choosing a 400w power supply . However, there are a few factors to consider that can help guide your decision. Think about the item’s intended use and how frequently it will be used.

If it is used regularly, a larger size may be ideal. On the other hand, a smaller size may suffice if it is only used occasionally.

Additionally, take into account the amount of space you have to store the 400w power supply . A smaller size may be more practical if you have limited storage space. Ultimately, the best size for choosing a product depends on your individual needs and preferences.

How to maintain this 400w power supply ?

To maintain this 400w power supply for longer use, it is recommended to clean it with a soft, damp cloth after each use. Store the product in a cool, dry place away from direct sunlight. Do not use harsh chemicals or abrasive cleaners on the product.

Last Few Words

Whatever your preferred choice of products, our epic list of the best 400w power supply has undoubtedly brought you the most popular and impressive choices

We’ve covered all types of items in this review, from user-friendly choices to cheap choices and ones with great quality.

We hope our buying guide and review section will help you find the most useful item that makes your life easier than it was before reading this blog.

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