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The 8 Best computer internal power supplies of 2024

Are you trying to find computer internal power supplies among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling computer internal power supplies on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 26 hours of research and did 25 computer internal power supplies tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best computer internal power supplies you can buy today

No. 1
Li-Sun L300PM-00 300W Power Supply Compatible with Dell Optiplex 7010 9010/ Inspiron 3847 519 530 537 540 541 545 560 580 620 660/ Studio 540 545/ Precision T1500 T6100 T1650/ Vostro 201 230 260 270
  • Compatible Dell Model: Optiplex 3010 7010 9010; Inspiron 3000 3847 518 519 530 531 537 540 541 545 546 560 570 580 620 660; Studio 540 545; Precision T1500 T6100 T1650; Vostro 200 201 220 230 260 270 400 410 420 430,Vostro260MT 270MT 660MT 620MT.
  • Replaces Model Numbers: X9GWG XW596 XW597 XW598 Y359G YG01M YX308 YX309 YX446 YX449 YX453 MPCF0 0VWX8 5W52M 57KJR 5DDV0 6R89K 84J9Y 949H1 CD4GP DG1R8 56DXG CF5W6 G9MTY XW597 FFR0Y GH5P9 FY630 GVY79 H057N 2751V 55VHC 6RVK0 6Y94N 9MRG6 D382H H056N HT996 J0.
  • Replaces Part Numbers: L300PM-00 HU300PM-00 B300NM-00 H300PM-00 B300PM-00 D300EM-01 H265AM-00 F265EM-00 AC265AM-00 L265EM-00 HU275AM-00 H275AM-00 AC275AM-00 B275AM-00 L275AM-00 B300NM B300PM H300NM.
  • Power Supply Connectors: 1X 24-Pin ATX Connector, 4X SATA Connectors, 1X 4-Pin(2x2) Connector. Brand New High Quality 300W Power Supply Replacement, each item has been tested and in good condition before shipping. Power Supply
  • Return Guarantee: One year warranty. For any reason you're not completely satisfied with the product, you can ask for a replacement or full refund.
SaleNo. 2
APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
  • Apevia Venus 450W ATX Power Supply.
  • Connectors:1 x 20/24pin Main Power, 1 x 8pin (4+4pin) 12V, 3 x SATA, 3 x Peripheral, 1 x Floppy
  • Auto-Thermally Controlled Black 120mm Fan. 115/230V Switch. 5% Tolerance of 5V, 3.3V & 12V Output
  • IMPORTANT: The power supply will not power on simply by connecting the power cord to both the power supply and wall outlet. Ensure that all the power supply cables are properly connected to the PC for it to power on.
  • IMPORTANT: The 8pin CPU connector can be split apart to become a 4+4 connector by pushing one end of the 4pin down and the other end of the 4pin up for motherboards that require a 4pin power connector.
  • IMPORTANT: The 24pin motherboard connector can be split apart to become a 20+4 connector by pushing one end of the 20pin down and the other end of the 4pin up for motherboards that require a 20pin power connector.
SaleNo. 3
ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty
  • ATX PSU. Delivers 500 Watt Continuous output
  • 80 PLUS Bronze certified, with 85% efficiency or higher under typical loads
  • 5 Year Warranty and heavy protection including OVP/UVP/OPP/SCP
  • All cables are black and not ketchup and mustard colored
  • 120mm ultra quiet fan with excellent cooling performance
SaleNo. 4
Computer PC Power Supply Tester, ATX/ITX/IDE/HDD/SATA/BYI Connectors Power Supply Tester, 1.8'' LCD Screen (Aluminum Alloy Enclosure)
  • [8-in-1 ATX Power Supply Tester] -- Support test 20-pin ATX / 24-pin ATX / HDD (IDE) / Floppy 4-pin / PCI-e 6-pin / 4-pin / EPS 8-pin (NOTE: can not fit for PCI-e 8-pin) / SATA connectors
  • [Aluminum Alloy Enclosure] -- Light and Easy to Carry, High Strength, Nice Thermal Conductivity & Corrosion Resistance
  • [1.8'' LCD Screen] -- Outputted Voltages shows on the 1.8'' LCD Screen, Easy to Read ( The 1.8'' LCD Screen was Powered by 20-pin / 24-pin Connector ), Note: The Product Screen Has a Load of Scratches All Over It?Because The Screen is Easy to Scratch, We Put a Protective Film on It, If You Think It's Not Beautiful, You Can Tear It Off by Yourself
  • [Beep Alarm] -- When your power supply test value is beyond normal range, the Power Supply Tester would issue a buzzer alarm, Easy to Know
  • NOTE: The voltage of 20pin / 24pin connectors is displayed by the LCD Screen, as "+3.3V", "+12V1", "+5V", "-12V", "5VSB", "PG" (except "+12V2" on LCD Screen); The voltage of PCI-e 6P / 4P / EPS P8 connectors is displayed by the LCD Screen as "+12V2"
  • NOTE: The voltage of IDE (HDD), Floppy, SATA connector is displayed by the lights on the left of the power tester, IDE (HDD) connector is displayed by "+12V" & "+5V" lights; Floppy connector is displayed by "+12V" & "+5V" lights; SATA connector is displayed by "+12V", "+3.3V" & "+5V" lights
  • NOTE: When you test the SATA connector, please confirm how many wires your connector is. When the 5-wire SATA connector is normal, the tester will light up three LED lights "+12v", "5V" and "+3.3v". When the 4-wire SATA connector is normal, the tester will only light up two LED lights "+12v" and "+5v"
No. 5
CHENBO 2pcs 24 Pins ATX Power Board Computer PC Power Supply Breakout Module Adapter 12V 5V 3.3V
83 Consomer Reviews
CHENBO 2pcs 24 Pins ATX Power Board Computer PC Power Supply Breakout Module Adapter 12V 5V 3.3V
  • ✿Designed to use your power supply to create a desktop power supply with four-channel voltages that can run almost any embedded electronic project.
  • ✿Fast access to the typical voltage required, including 3.3V, 5V, 12V and -12V
  • ✿Each output channel has replaceable 5A fuse and corresponding grounding connection, and the terminals are easy to connect.
  • ✿On board standard 24 pin ATX port, power indicator and power switch are ideal for easy control of DIY low voltage power supply for developing physical computing projects (embedded systems).
  • ✿PCB plastic gasket design to prevent short circuit.
No. 6
XIAMI Replacement Internal Power Supply Assembly for Xbox One S (Slim) 1681, AC Adapter Brick PA-1131-13MX N15-120P1A
  • ★Replacement power supply for Xbox One S (Slim) 1681 N15-120P1A PA-1131-13MX, fits all Xbox one Slim Version ( From 2016-2017).
  • ★Compatible Model: PA-1131-13MX; AC adapter power supply cord, INPUT: AC 100-240V, 1.8A, 50-60Hz, OUTPUT: DC 220W 12V--10A.
  • ★Part Number: PA-1131-13MX N15-120P1A,PA-1131-12MX P/N: X943284-004;For use in all Xbox One S Model 1681.Works in all special edition versions.
  • ★ Note: please note this item is a Disassembly parts from original device. (may get a little scratches) if you mind the condition, please do not order this
  • ★Replacing your old part with this good one will solve your problem! This replacement is what works for the game doctor in you! Save money and fix your system by replacing it at a fraction of the original one price!
No. 7
SoundOriginal Refit Desktop Computer Case Motherboard Power Supply Reset HDD Button Switch (63inch 160cm)
  • Computer power button: Making Power Computer much easier. Located computer in a hard to reach area , this is a convenient switch on the desk and hitting it rather than bend down to turn the computer on
  • Motherboard power switch: There Are Two Buttons on the Switch. One is power button in the center and the other is a reset button.
  • There Is a Metal Sleeve over the cable that sits nicely in the card-slot cover to prevent the cable from being accidentally pulled or disconnected from the main board.
  • HDD LED lights in the switch. They're solid blue when it's on, and flicker pieces of red when your computer is loading or doing something memory intensive. The amount of red even seems to correspond with how much strain your computer is under, so it's easy to tell if your computer is off or just sleeping when you return
  • Sometimes it's the small parts that can make a big difference. Replace your burnt out LEDs and worn out switches with this handy ATX front bezel wire kit. The five-piece kit comes with two switches (Power, Reset) and three LEDs (Power, Hard Drive Activity, Sleep). Each switch and LED is clearly labeled to make installation easy. Make sure your computer still looks and works as great as the day you bought it with this replacement kit.
SaleNo. 8
C2G Legrand Internal Power Extension Cable, Female to Male Computer Internal Power Cables, 14 Inch PC Internal Power Cable for 5-¼ Inch Connector, 1 Count, C2G 27397
  • PC Internal Power Extension Cable - One (1) 14 Inch PC Internal Power Cable
  • Use - This internal power extension cable is the answer if you need a little more length, and it can connect floppy drives, removable storage drives, hard drives, CD-ROMs, CD-RWs, tape drives, fans, etc. to your computer's power supply
  • Durable - Extend the reach of your 5-1/4in power cable with these computer internal power cables, which feature one 4-pin Molex (LP4) male connector and one 4-pin Molex (LP4) female connector
  • High Quality - Quality-made to meet industry standards, this internal power extension cable is a reliable solution to power your devices and comes with a lifetime warranty for your complete satisfaction
  • Cables 2 Go Brand - Since 1984, C2G has provided connectivity solutions for a variety of markets, including corporate, education, healthcare, home theater, digital signage, hospitality, and more, joining Legrand in 2014
No. 9
PSU Breakout Board ATX Power Supply DC 12V 5V 3.3V Splitter Module Desktop Adapter to USB A Hub Connector Computer Power Source Multi Port Output DIY Parent Child Electronic Kit with High Current Fuse
  • 【24pin 20pin】Compatible with 24-pin and 20-pin ATX mains. When inserting 20 pin, please align to the right. Different PSU may provide different maximum currents.
  • 【Fuse】Yaotech Advanced Technology Extended conversion connector is equipped with 5A and 8A high amp fuses for your choice, one more protection is safer and necessary. Electronic enthusiasts can modify it with soldering tools too.
  • 【Ports】This PC power supply unit Hub has direct current 12V*3, 5V*2, 3.3V*1, -12V*1, USB-A 5V*2 voltage output ports. It can be used for high amperage led desk lamp, smart phone charging, just normal charging, fast charging is not supported, electric toy charging, student handmade items for school, electronic learning & education project, etc.
  • 【Indicator Lights】This PSU converter has independent switch and 4 blue indicator lights to indicate 4 voltage output ports. When the fuse is blown, the corresponding indicator light will go out.
  • 【Feet】We provide 4 insulated feet, when you need to put the pcb board on the metal table, you can install insulated feet to avoid short circuit.
No. 10
XIAMI Internal Power Supply Assembly for Xbox One S Slim AC Adapter Brick PA-1131-13MX N15-120P1A 1681 New
  • ★Replacement power supply for Xbox One S (Slim) 1681 N15-120P1A PA-1131-13MX, fits all Xbox one Slim Version ( From 2016-2017).
  • ★Compatible Model: PA-1131-13MX; AC adapter power supply cord, INPUT: AC 100-240V, 1.8A, 50-60Hz, OUTPUT: DC 220W 12V--10A.
  • ★Part Number: PA-1131-13MX N15-120P1A,PA-1131-12MX P/N: X943284-004;For use in all Xbox One S Model 1681.Works in all special edition versions.
  • ★ Note: please note this item is a Disassembly parts from original device. (may get a little scratches) if you mind the condition, please do not order this
  • ★Replacing your old part with this good one will solve your problem! This replacement is what works for the game doctor in you! Save money and fix your system by replacing it at a fraction of the original one price!

How to choose a good computer internal power supplies

Does the idea of finding a fantastic computer internal power supplies make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in computer internal power supplies. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top computer internal power supplies products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top computer internal power supplies on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top computer internal power supplies brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top computer internal power supplies based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the computer internal power supplies were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good computer internal power supplies, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your computer internal power supplies.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting computer internal power supplies for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our computer internal power supplies. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what computer internal power supplies should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on computer internal power supplies.