Top 10 400 Watt Power Supply of 2022

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It’s not always simple to purchase a 400 Watt Power Supply. Being dazed is easy when you see hundreds of variations are available in the market for the same 400 Watt Power Supply by different manufacturers. According to the performance, quality, longevity and overall user experience, they are so similar that you may get hard to make your final buying decision. On that situation, only one thing can assist to find out the best 400 Watt Power Supply and make a winning deal for you.

There are few very essential topics which you must count before buying a 400 Watt Power Supply, and that is what we are going to discuss about in the below. It’s a proper review guideline for you that will include the advantages and disadvantages of your preferred product, as well as its sustainability, affordability, functionalities, and practical benefits. There will also be a solid comparison of a few related products. Now you can easily choose the best one for you. Let’s take a look inside.

Last update on 2023-05-28 at 13:54 / Affiliate links / Images from Amazon Product Advertising API

Top 10 Best 400 Watt Power Supply Review In 2022

In this section, we attempted to identify the top ten 400 Watt Power Supply from thousands of products. This list will make you feel confident in your ability to obtain your chosen 400 Watt Power Supply in a matter of minutes. We prioritized their utility, performance, durability, look, cost, and previous user experiences. We are confident that this list of the top 10 400 Watt Power Supply will help you find the one that best fits your needs.

Bestseller No. 1
EVGA 100-N1-0400-L1 , 400 N1, 400W, 2 Year Warranty, Power Supply 100-N1-0400-L1
  • EVGA 400W N1 series
  • Fan Size/Bearing: 120 millimeter sleeve bearing - Quiet and intelligent auto fan for near-silent operation
  • Heavy-duty protections including OVP, OPP, and SCP
  • 2 year & EVGA's 24/7 technical support
SaleBestseller No. 2
Coolmax I-400 400W ATX 12V V2.0 Power Supply (not Compatible with PCI-E)
  • ATX12V version 2.0
  • Single +12V output design
  • Serial ATA 150 ready
  • Total Power: 400 W. Input- 100 ~ 132V AC / 200 ~ 264V AC
  • 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
SaleBestseller No. 3
APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply
Bestseller No. 4
Chengliang Power Supply Dc 24v 17a 400w Original Ender 3 3D Printer Switching PSU UL Certified
  • 24v power supply 24 v regulated universal 24 volt adapter output 24 vdc 17a 400w certified DK-87763-UL
  • Power supplies input voltage 100-120/200-240vac by switch convert ac 100-120v/200-240v to dc 24v 17a 400w
  • Efficiency over 86% for 3d printer CCTV monitoring led light strip industrial automation communication
  • Smart full protections SCP OVP UVP OPP OCP OTP passed UL cooling fan power on auto works Noise≤35dB
  • You get one original ender 3d printer power supply CL-P400W24V-D warranty 3 years 24hrs online service
Bestseller No. 5
Raidmax XT Series RX-400XT 400W ATX12V V2.3 Power Supply
  • Supports ATX 12V v2.3 / EPS 12V - Raidmax XT power supply supports both ATX 12V v2.3 and EPS 12V standards, ensuring compatibility with a wide range of systems.
  • SLI, Haswell, Crossfire Ready - With support for SLI, Haswell, and Crossfire, this 700 watt power supply PC is ideal for high-performance computing, providing the power and stability you need to run demanding applications and games.
Bestseller No. 6
LXun Upgraded New 942332-001 400W Power Supply Compatible with HP 280 288 285 480 600 680 800 G3 G4 Power Supply L04618-400 PA-3401-2HA PA-3401-1HA L04618-800
  • 【Compatible part number】: L04618-400 942332-001 PA-3401-1HA PA-3401-2HA L76557-001
  • 【Compatible model】: Compatible with HP prodesk 480 800 680 285 288 280 Pro G3 MT prodesk 600 G4 400W Power Supply
  • 【Output】: Total power:400W, + 12.1Vmain == 16A, + 12.1Vcpu == 16A,+ 12.1VG == 16A
  • 【Input】100-240 V, 50-60 Hz,5.2A
  • 【Warranty】1 Year warranty, For any reason you're not completely satisfied, you can ask for a replacement or full refund.
Bestseller No. 7
942332-001 400W Power Supply Compatible for HP 280 288 480 600 800 G3 G4 PA-3401-1HA
  • Compatible Model: Compatible for HP 280 288 480 600 800 G3 G4 942332-001 PA-3401-1HA
Bestseller No. 8
S-Union Upgraded 942332-001 400W Power Supply Compatible with HP 280 288 285 480 600 680 800 G3 G4 Power Supply PA-3401-1HA L04618-400 942332-001 L04618-800 PA-3401-2HA PSU Power Supply
  • 【Compatible model】: Compatible with HP prodesk 480 800 680 285 288 280 Pro G3 MT prodesk 600 G4 400W Power Supply
  • 【Compatible part number】: L04618-400 L04618-800 942332-001 L76557-001 PA-3401-1HA PA-3401-2HA
  • 【Output】: Total power:400W, + 12.1Vmain == 16A, + 12.1Vcpu == 16A,+ 12.1VG == 16A
  • 【Input】100-240 V, 50-60 Hz,5.2A
  • 【Warranty】1 Year warranty, For any reason you're not completely satisfied, you can ask for a replacement or full refund.
Bestseller No. 9
ePowerTec EP-400PM 400W ATX/EPS12V Power Supply with 120MM Fan
  • Form Factor: ATX12V 2. 0
  • Maximum Wattage: 400W
  • Single 120 mm Cooling Fan
  • 1 year
Bestseller No. 10
100n10400l1 - Evga 400w PSU
  • Heavy-duty protections including OVP (Over Voltage Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection)

Last update on 2023-05-28 at 13:54 / Affiliate links / Images from Amazon Product Advertising API

Here Are Some Tips For Choosing 400 Watt Power Supply

As a human being, this is quite impossible to know everything well. You can know about some more thing but you cann’t be a jack of all trades. In that scenario, reading a thorough buying guide can prevent us from making a costly mistake after buying a 400 Watt Power Supply due to a lack of knowledge.

You do not have to be an expert on that specific product in order to purchase it. Just emphasize on few important things which we are going to discuss in the below. Taking these simple considerations into account may make your shopping experience more pleasant and straightforward. Let’s get started.

Identify what you wants

The first thing you need to discover that what your needs or requirement. If you aren’t aware of your demands, there’s a big chance you’ll buy the wrong things at the wrong time and waste a lot of money. So, first of all and probably most important, we suggest that you take time to consider your necessities for a 400 Watt Power Supply. You can make a short list about your needs. This simple task will lead you to simplify your purchasing process. Then you will be able to know your prioroties which is the most important thing.

Budget vs. Cost

Budget is that one issue which you can’t ignore before you decide to purchase anything else. Any amount of price can be set for your desired product. Different expences like manufacturing, raw material purchasing, logistics and other operational costs and most importantly compny’s brand value as well are the key factors of pricing. The higher quality you demand, the higher amount of money you may have to spend for that. This is the reason, budget really matters for. And it is true as a universal truth for the 400 Watt Power Supply too.

You may heard this popular sayings, “Cut your coat, according to your cloth”. So, find your desired products as per your wishlist first. Analyze the features and prices carefully.Compare them well and choose the best one. The biggest question may come to your mind at this point which is your pocket is ready to spent such amount of money to buy this 400 Watt Power Supply or not. If yes, then go for it. If your pocket refuges to do so, then think about the second best option that you got.

Choose the Right Brand

Because of our emotional links, we are frequently predisposed towards certain companies. But not everytime this practice results get good. Besides all we agree that we have to rely on renoened brands. Because having enough cash in your pocket makes making decisions half as easy. But remember, not every brand is good for everything. As a result, you must tread cautiously when deciding whether or not you have picked the appropriate brand for your specific product.

People are divided into two groups. One is dependent on a particular brand, while the other is unconcerned. What he requires is the right product for the amount he is paying. As we don’t have any idea about your typo.But there are few tips which may come adjuvant for both of you at the time of choosing the right brand for the right product.

  • Make certain you are familiar with the brand.

  • What people are saying about this brand.

  • Analysis the reviews of any specific products of that brand.

  • Contrast the features with those of competitors.

  • Are you satisfied with the features?

Check the features section

Whether you buy it online or offline, the first thing you should check is while buying is the features of 400 Watt Power Supply. This little effort will assist you to get a clear picture about the product. It will make you understand, that product does match with your requirements or not.

The features part also helps us in analysis the differences between ourselves and others. Then, based on the features, you can compare it to similar products. One will have a better understanding of quality as a result of this work, making it easier to move forward with our final decision.

Benefits and Drawbacks must be considered.

Every item has its own set of advantages and pitfalls. It is our duties to carefully examine them out first before buying them. So, keep yourself cool and figure out the negatives you expected from that 400 Watt Power Supply. Perhaps another manufacturer created the ideal one for you. Just don’t be too lazy to compare your options with theirs before making your final decision.

The section of Pros and Cons can be found on the majority of websites. That section should be read with caution. If you have any further questions, simply contact them via email or phone to seek their assistance.

Quality & Durability

Color, Style, Performance, Materials, and, most importantly, Durability are all components of quality. Before making a purchase, you must consider the facts about ensuring quality. When you make this your own, you will demand the quality first. Does this 400 Watt Power Supply worthy or not against your investment? The answer of this question can be found by its quality.

Know About Warranty and Return Policies

Every producers produces products. Good quality products are being maintained by some of them. They make creative advertise also to attract buyers like you and me. Still, everything is okay. But one thing remains yet to think about and that is After Sales Service. For many, it’s really a big deal and it is quite able to make a big difference.

Warranty, gurantee and return policies are so vital that not checking them will be a great mistake. Antyhing can be occured even after buying the best quality product by spending a huge amount of money. Not a single thing will last forever in this universe. Still the expence you will do for the 400 Watt Power Supply, don’t you think that you deserve a minimum return of value from that? So, be careful about checking policies. Sometimes, there may be some hidden issues which they won’t make you clear with words. At that time, simply ask their delegate about thier policies again and have patience until you get the whole thing unequivocally.

Checking FAQ & Customer Reviews make your task easy

Cheking customer reviews and FAQ answers can save your precous time greatly. FAQs are few common questions that were asked frequently by mass people like you and they have been answered as well. In the mean time, you can get a clear picture of the product according to the experience of the real users of it through the customer reviews.

So, checking out these two things, you will get the idea of both. You may find there such informations which might not come in your mind to ask if you didn’t go through. Then you will be able to decide strongly buying this 400 Watt Power Supply will be worthy or not.


The final suggesion is you must consider about the value that the 400 Watt Power Supply providing you is justified enough with the price you are being asked to pay for it. Do you think it is worthy to pay so? Does your demands be fullfilled with that? That’s the thing that should get the most importance we guess.

We hope this article will help you to recognize and buy the best 400 Watt Power Supply in the market and so that you enjoyed it as well. If you think it’s a good guideline for you, then all of our efforts will get success. End of the day, we measure our happiness with your satisfaction.

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