Cheapest Power Supply: Cost-Effective Choices for Your Tech
Note: We have researched 13 power supplies for you.
Last updated on 15.05.24 um 01:37
Finding the right components for your electronic projects doesn't have to break the bank. When it comes to powering your devices, there are plenty of budget-friendly options that offer reliability and efficiency.
We've scoured the market to bring you a list of power supply units that balance cost with performance. These picks prove that you don't have to sacrifice quality, even when shopping with cost constraints in mind.
We've scoured the market to bring you a list of power supply units that balance cost with performance. These picks prove that you don't have to sacrifice quality, even when shopping with cost constraints in mind.
To simplify the price comparison, we determine the prices for the individual articles on Amazon, Ebay and other shops and link the offers via partner links where applicable. This means that we receive a commission if you buy something that we recommend - the price does not change for you.
What to Look for in Cheapest Power Supplies
Important criteria
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Wattage
-
Efficiency rating
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Reliability
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Manufacturer's warranty
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Power protections (Over-voltage, under-voltage, short circuit, over-current, over-temperature)
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Modularity
1.) Wattage and Efficiency
Ensure the power supply's wattage rating meets the power requirements of your system components. It's important not to skimp on wattage, as underpowered systems can lead to instability and component damage. Additionally, consider the efficiency rating, typically indicated by the 80 Plus certification. More efficient units waste less power as heat, are generally better built, and can save money on electricity in the long run.
2.) Build Quality and Component Standards
Cheaper power supplies may cut corners on the quality of components and construction, potentially leading to a shorter lifespan and increased risk of failure. Look for signs of good build quality such as reputable brand names, solid warranties, and positive user reviews. High-quality capacitors and other components can significantly improve the performance and reliability of the power supply.
3.) Compatibility and Connectors
Verify that the power supply is compatible with your PC's motherboard and has enough connectors for all of your components, including graphics cards, drives, and peripherals. A lack of necessary connectors can lead to additional costs if you need to buy adapters or extensions. Also, make sure that the dimensions of the power supply fit your case.
4.) Protection Features and Noise Levels
Look for power supplies with built-in protection features such as overvoltage protection, overcurrent protection, and short circuit protection. These features can help prevent damage to your components in case of power supply malfunctions. Noise can also be a factor; cheaper units might have louder fans, which can be disruptive. Check for quiet or temperature-controlled fans to ensure a quieter experience.
The Cheapest Power Supplies of our Choice
Our Pick
VTRETU 1800W Mining Power Supply
Properties
- Stable output and high conversion rate up to 90%
- 1800W full voltage PSU for crypto mining rig use
- Silent heat dissipation with effective noise reduction features
- Safe and durable with multiple power supply protections
- Power cables configuration for easy connection
2
SHNITPWR Universal Power Supply DC 24V
Type/Color: Black
Properties
- Input: AC 100~240V, Output: DC 3.5~24V, Max 6A
- Adjustable voltage & amp for various devices
- LCD display for output voltage monitoring
- Improved knob functioning, off gear, polarity converter cable
- Comes with original & 14 additional frequently used tips
- Applicable to commonly used electronic devices & DIY projects
- Suitable for small household electronics, indoor use only
- Multiple safety protections, premium quality production, 6ft cable
- Not suitable for charging devices with batteries like laptops
$ 27.99 *
View
on Amazon
Price Pick
COOLMAX I-400 400W ATX 12V V2.0
Model: I-400
Properties
- 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
- Connector: 1x P4 Mainboard Power Connector
- Connector: 2x 15-pin SATA Connectors
- Connector: 3x Peripheral Connectors
- Connector: 1x 4-pin Floppy Connector
- Cooling System: 1x 80mm Low Noise Cooling Fan
4
ARESGAME AGV Series 500W Power Supply
Type/Color: AGV 500W
Properties
- ATX PSU, 500W continuous output
- 80 PLUS Bronze certified, >=85% efficiency
- 5 Year Warranty, heavy OVP/UVP/OPP/SCP protection
- All cables are black, not ketchup and mustard colored
- 120mm ultra quiet fan, excellent cooling performance
In other categories
5
Thermaltake Toughpower GX2 80+ Gold 600W SLI
Size: 600W
Properties
- Certified gold, supports 80 Plus Gold efficiency up to 90%.
- Optimized for C6 or C7 States ready.
- Non-modular connectors for various power needs.
- Ultra quiet 120mm fan for silent operation.
- High quality capacitors for superb performance and reliability.
- Low ripple noise ensures excellent power supply stability.
- Single +12V rail design for stable, reliable power.
- Industry-grade protections: OPP, OVP, UVP, SCP.
- Input frequency range: 47Hz - 63Hz.
6
PHEVOS AC 110V/220V to DC 5V
Type/Color: 5V12A
Properties
- Input voltage is selectable between 110V/240V
- Input is 110/240 volts AC, output is DC 5V 12A
- Protection against shortage, overload, and over-voltage
- Output cutoff reset through auto reset or fuse
- Suitable for industrial automation, LED display, communications
- High efficiency, long life, and reliable performance
- 1 year manufacturer warranty with money-back guarantee
$ 16.99 *
View
on Amazon
7
Wefomey 120W Universal Power Supply Adjustable
Type/Color: balck
Properties
- Variable Power Supply: Input AC 100~240V, Output DC 3~24V Adjustable
- Easy selection of desired voltage with a turn of a button
- One adapter for multiple devices, prevents power supply damage
- Upgraded Version with adjustable voltage button and real-time LED display
- Protruding rotatable knob for more even adjustment of voltage
- Multiple DC tips including Micro-USB, Type-C, and DC terminal connector
- Equipped with a reverse polarity converter for wider compatibility
- Widely used for household electronics, toys, chargers, and more
- Package includes 1 adapter, 14 DC tips, and a polarity converter
- Built-in safety protection systems, 30 days money-back guarantee
8
be quiet! Straight Power 12-1500w 80 Plus Platinum
Model: BN518
Properties
- 80 PLUS Platinum efficiency (up to 93.8%)
- ATX 3.0 PSU supports PCIe 5.0 GPUs
- PSU handles power excursions effectively
- Silent Wings 135mm fan operates quietly
- Funnel-shaped fan opening for high airflow intake
In other categories
9
HANGELL DC Power Supply Variable
Model: HPS3010
Size: 30V 10A
10
Puning Power Supply Brick for Xbox
Type/Color: Black
Properties
- Designed for Xbox One Console (Non-OEM).
- Cooling fan and inner structure improved.
- Safety features: Over-charging, Over-current, Short-Circuit Protection.
- Easy to Use with LED Lights Indicate.
- Worldwide Power Supply, suitable for international use.
- After Sales Support: Free 12-month warranty.
$ 16.99 *
View
on Amazon
11
Apevia VENUS450W 450W ATX Power Supply with Auto
Properties
- Apevia Venus 450W ATX Power Supply
- Connectors:1 x 20/24pin Main Power, 1 x 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
- Short-Circuit/Over-Current/Over-Voltage/Over-Power/Under-Voltage/Over-Temperature Protections
In other categories
- Rank 1 of 2 in Cheapest Power Supply Unit
12
EVGA 750 N1, 750W
Size: 750W
Properties
- EVGA 750W N1 Series
- Fan Size/ Bearing: 120mm Sleeve bearing
- Quiet auto fan for silent operation
- Heavy duty protections: OVP, UVP, OCP, OPP, SCP
- Operating Temperature: 0 to 25 degrees Celsius
13
GAMEMAX 1050W ATX 3.0 & PCIE 5.0 Power Supply
Type/Color: white
Properties
- Power supply 1050W with 80 Plus Gold certified
- 90% or higher efficiency with lower electricity consumption
- DC-DC structure, LLC resonance assist, 12V synchronous rectification
- Stable & safe output
- Comes with a 12VHPWR 16pin connector
- Provides up to 600W for power-hungry graphics card
- Power supply can sustain up to 2x total power excursion
- Power supply can sustain up to 3x GPU power excursion
- Fully ready for all future high performing components
- ARGB SYNC with motherboard ARGB software
- 25 smart lighting modes with RGB memory function
- 140mm whisper-quiet fan with hydraulic bearing
- Maintains good heat dissipation
* All prices incl. VAT, plus shipping if applicable. Prices, delivery times and costs may change in the meantime. The selection of products was made independently of the manufacturer and without any claim to completeness. All links to products are external partner links through which we may receive compensation. All information without guarantee.
Top Affordable Power Supplies for Every Buyer
Budget-Conscious Shoppers
For those looking to power their devices without breaking the bank, we've gathered the most cost-efficient options. Enjoy reliable performance matched with great value, perfect for everyday use.
Gamers on a Budget
High-performance doesn't always mean high cost. Discover power supplies that keep your gaming rig running smoothly without the hefty price tag.
Tech Savvy Enthusiasts
Explore our selection that balances affordability with advanced features for the tech enthusiast seeking a smart purchase.
Eco-Friendly Buyers
For those committed to reducing their environmental footprint, check out our range of energy-efficient power supplies at low costs.
Questions You Might Ask
You should look for a power supply that offers sufficient wattage to support all of your system's components. Add up the power requirements of your CPU, GPU, drives, and other peripherals, then add a buffer of about 20-30% to ensure headroom for peak demands and future upgrades. For most mid-range systems, a 500-700 watt power supply is usually adequate, while high-end gaming or workstation systems may require 800 watts or more.
Yes, the efficiency rating, often signified by the 80 PLUS certification, indicates how well a power supply converts AC power from the wall to DC power used by your computer's components. More efficient power supplies generate less heat, have lower electrical bills, and tend to use higher quality components, leading to potentially longer life spans. Choose a power supply with at least an 80 PLUS Bronze rating or higher for a good balance of efficiency and cost.
A modular power supply allows you to use only the cables you need for your components, which can reduce clutter and improve airflow within your case. Non-modular power supplies have all cables permanently attached. While they can be cheaper and just as functional, they can also lead to unnecessary clutter. Semi-modular designs are a good middle ground, offering a mix of hardwired and detachable cables.
Rails refer to the individual voltage lines provided by the power supply. Single-rail power supplies provide a single high-power 12V rail and are simple to install. Multi-rail power supplies divide the 12V output into several rails, each with a protective circuit to prevent overcurrent. Both types have their proponents, but single-rail units are common and sufficient for most needs. Choose multi-rail for highly specialized setups requiring precise power distribution.
The form factor of a power supply relates to its size and fit within your computer case. The most common form factor is ATX, suitable for standard-sized PC cases. For smaller cases, such as micro ATX or mini ITX builds, you'll need an SFX power supply. Always verify that the form factor of the power supply is compatible with your case to ensure proper fit and airflow.
Currently Active Poll
How to Choose an Affordable Power Supply
Our Pick: VTRETU 1800W Mining Power Supply
Navigating the world of power supplies can be daunting, especially when you're on a budget. A reliable power supply is crucial for the well-being of your electronic devices, ensuring stable performance and longevity. This guide is designed to help you find a cost-effective power supply without compromising quality, highlighting key features and what to watch out for.
Understanding Wattage and Efficiency
Wattage matters. Before diving into the bargain bin, identify how many watts your system needs. Use online calculators or sum up the power requirements of each component. Aim for a power supply that meets your needs with some headroom, but avoid going for unnecessary wattage, as it won't necessarily translate to better performance.
Efficiency is your ally in long-term savings. Look for power supplies with an 80 Plus certification, which guarantees that the unit is at least 80% efficient at various loads. This means less electricity is wasted as heat, saving you money on bills and keeping your system cooler.
While high-efficiency units may cost more upfront, they're usually of higher quality and can outlast their cheaper counterparts. Balance the initial cost against potential savings and longevity when making your choice.
Modularity: To Plug or Not to Plug
Modular power supplies allow you to connect only the cables you need, which can vastly improve airflow and reduce clutter inside your PC case. However, fully modular units tend to be pricier than their non-modular or semi-modular counterparts.
If budget is your main concern, consider semi-modular power supplies. These provide a middle ground, offering some detachable cables while keeping essential ones permanently attached. This can be a great compromise, maintaining a cleaner build without reaching too high on the price spectrum.
Keep in mind that while cable management is important for aesthetics and airflow, it doesn't directly impact the performance of the power supply. Non-modular models can be a savvy purchase if you're willing to manage the extra cables.
Brand and Warranty: The Safety Nets
Don't overlook the brand and warranty when selecting an affordable power supply. A reputable brand is often synonymous with reliability and customer support. They may offer extended warranties, which serves as a statement of confidence in their product's durability.
While it may be tempting to go for a no-name bargain, remember that the power supply is the heart of your build, and a failure can be catastrophic. Opting for a trusted brand with a solid warranty can safeguard your components in the long run.
Even for budget models, aim for at least a 3-year warranty. This ensures that you won't be out of pocket if something goes wrong early on. Some brands may offer longer warranties for little extra cost, which can be a significant advantage.
Special Offers and Seasonal Deals
Retailers frequently run discounts and promotions that can bring the cost of higher-quality power supplies into your budget range. Keep an eye out for seasonal sales, Black Friday deals, or clearance offers, as these times are ripe for snagging a bargain.
Subscribing to newsletters from computer hardware retailers, following tech deal forums, and setting up price alerts for specific models can help you catch deals as soon as they emerge.
Remember, patience is a virtue when it comes to finding deals. If you can wait to build or upgrade your system, aligning your purchase with these sales periods can lead to significant savings without sacrificing quality.
Hands-on Reviews and Recommendations from Discussion-Boards
In our guide to finding the least expensive power supply, we have meticulously compiled a list of resources that provide trustworthy test reports and expert-backed advice. This carefully curated selection directs you to premium content across various mediums, which are organized into four distinct categories for your convenience: detailed reviews, informative forum discussions, engaging Reddit threads, and enlightening videos. These links represent what we believe are the most valuable resources pertaining to the topic of cost-effective power supplies.
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