· internal power supplies · 14 min read
Top 10 Best Micro ATX Power Supplies in 2023
Checkout top-rated Micro ATX Power Supplies; thermaltake smart 500w, Apevia SFX series, corsair cx series, FSP Flex series and their pros, cons, and unique features.
In the market for a new power supply for your computer? If you're building a small form factor PC, you'll need a Micro ATX power supply. These power supplies are smaller than ATX power supplies, making them ideal for smaller cases. But even though they are smaller, they are still powerful, and they can provide enough power for even the most demanding systems. In this guide, we'll take a look at the best Micro ATX power supplies on the market. We'll compare their features, performance, and prices, and we'll help you choose the best power supply for your needs.
Overview
PROS
- ATX 12V V2.3/EPS 12V compliant, ensuring compatibility with latest motherboards.
- Continuous and stable power delivery of 500W, ideal for Micro ATX gaming and workstation builds.
CONS
- Limited modularity, which may restrict cable management for certain builds.
- 80+ White efficiency rating, which is lower than more energy-efficient power supplies.
The Thermaltake Smart 500W Micro ATX Power Supply is an excellent choice for those seeking a reliable and budget-friendly power solution for their Micro ATX builds. With a continuous power output of 500W and 80+ White efficiency, it provides ample power for most mid-range gaming and workstation systems. The ATX 12V V2.3/EPS 12V compliance ensures compatibility with the latest motherboards, while the included 120mm cooling fan ensures quiet operation even under heavy loads.
While it may not be the most feature-packed power supply on the market, the Thermaltake Smart 500W delivers on its core functions with stability and efficiency. It is an excellent option for budget-conscious builders or those looking for a reliable power supply for their Micro ATX systems.
PROS
- Compact SFX form factor, ideal for space-constrained micro ATX builds
- Provides a reliable 500W of power, ensuring stable operation even under heavy loads
- Active PFC and full-range AC input ensure compatibility with various power grids
- Low noise fan operation minimizes distractions, maintaining a peaceful computing environment
CONS
- Limited number of PCIe connectors may restrict multi-GPU setups
- Modular cables would enhance flexibility and cable management
The Apevia SFX-AP500W Mini ITX Solution/Micro ATX/SFX 500W Power Supply is a compact and efficient power supply unit designed for small form factor builds. Its compact SFX form factor makes it an excellent choice for micro ATX cases where space is at a premium. Despite its size, this power supply delivers a reliable 500W of power, ensuring stable operation even when running demanding applications or games.
The Apevia SFX-AP500W features a host of modern technologies, including Active PFC and full-range AC input, which ensure compatibility with various power grids around the world. Its low noise fan operation effectively minimizes distractions, allowing you to focus on your computing tasks without any interruptions. While it may have a limited number of PCIe connectors, which may restrict multi-GPU setups, and the lack of modular cables for improved flexibility and cable management, the Apevia SFX-AP500W remains a solid choice for compact builds looking for a reliable and efficient power solution.
PROS
- Fully modular design provides complete control over cables and improves airflow.
- ATX 3.0 and PCIe 5.0 compatibility ensures readiness for the latest hardware.
- Zero RPM fan mode keeps the power supply silent at low and medium loads.
- 105°C-rated capacitors ensure maximum durability and reliability.
- 80 PLUS Gold efficiency reduces energy consumption and saves money on your electricity bill.
CONS
- The cost may be higher than comparable power supplies.
- There are no RGB lighting options available.
Step up your micro ATX build with the CORSAIR RM750x SHIFT Fully Modular Micro ATX Power Supply. Engineered to meet the demands of modern gaming and high-performance systems, this power supply delivers exceptional power, efficiency, and versatility. With its fully modular design, you can customize your cable setup, reducing clutter and improving airflow throughout your system. It boasts ATX 3.0 and PCIe 5.0 compliance, making it compatible with the latest motherboards and GPUs, ensuring seamless integration with your cutting-edge components.
At the heart of the RM750x SHIFT is its highly efficient performance. The 80 PLUS Gold certification guarantees up to 90% efficiency at 50% load, translating into lower energy consumption and reduced utility bills. Its Zero RPM fan mode keeps the power supply virtually silent at low and medium loads, allowing you to enjoy a whisper-quiet computing experience. The 105°C-rated Japanese capacitors provide exceptional durability and reliability, ensuring long-term stability and worry-free operation.
PROS
- Form factor optimized for Micro ATX builds, ensuring a snug fit in smaller cases
- 400W power output, adequate for powering modest gaming configurations or everyday computing systems
CONS
- SFX form factor may not be compatible with all ATX cases
- Limited wattage may not support power-hungry components
The APEVIA SFX-AP400W is a power supply specifically designed for Micro ATX builds, offering a compact solution with 400W of power output. Its SFX form factor makes it ideal for smaller cases, providing a snug fit and efficient use of space. The 400W output is sufficient for powering modest gaming setups or everyday computing systems, handling basic tasks without breaking a sweat. While the SFX form factor ensures compatibility with Micro ATX cases, it's crucial to verify compatibility with your specific case before committing to the purchase.
The APEVIA SFX-AP400W is an ideal power supply for those looking to build a Micro ATX system without sacrificing performance. Its compact size and adequate power output make it a reliable choice for budget-conscious builders or those seeking a compact solution. Just be sure to consider your component requirements and case compatibility to ensure a seamless integration into your PC build.
PROS
- Compact Micro ATX form factor, ideal for ITX builds and smaller chassis
- 80 Plus Gold certification ensures high energy efficiency, reducing power consumption
- Fully modular design provides flexibility and ease of installation
CONS
- 450W power output may be limiting for high-end builds with multiple GPUs
- SFX to ATX adapter required for standard ATX motherboards
FSP's Mini ITX Solution/SFX 12V / Micro ATX 80 Plus Gold Certified Full Modular Gaming Power Supply Series (450W) is an excellent choice for those building compact ITX systems or seeking a high-efficiency ATX power supply. Its Micro ATX form factor allows for compatibility with smaller cases, while the 80 Plus Gold certification guarantees low energy consumption. The fully modular design offers flexibility in cable management and makes installation a breeze.
The 450W power output is sufficient for mid-range builds, but users with multiple high-end GPUs or power-hungry components may need a higher wattage PSU. Additionally, an SFX to ATX adapter is required for use with standard ATX motherboards. Despite these minor caveats, FSP's Micro ATX PSU is a solid option for building compact, energy-efficient systems, earning it a strong recommendation for those seeking a reliable and efficient power supply.
PROS
- Compact size идеально подходит for micro ATX builds
- 80 Plus Bronze certification guarantees efficiency and energy savings
CONS
- Only 550W of power may limit high-end hardware configurations
- Limited modularity options can restrict cable management
The MSI MPG A550BN is a power supply designed for micro ATX gaming builds. Its compact size makes it easy to fit into smaller cases, and its 80 Plus Bronze certification ensures high efficiency and low energy consumption. The A550BN delivers 550W of power, which is sufficient for most mid-range gaming systems. However, users with high-end hardware configurations may find themselves limited by the power output.
The A550BN has a semi-modular design, which means that some of the cables are permanently attached to the power supply. This can make cable management a bit more difficult, but it also helps to reduce clutter inside the case. Overall, the MSI MPG A550BN is a solid choice for those looking for a compact and efficient power supply for their micro ATX gaming build.
PROS
- 80 Plus Bronze certification for energy efficiency
- 500W of continuous power, ample for most micro ATX builds
- Non-modular design for easy cable management in compact cases
- 5-year warranty for peace of mind
CONS
- Limited number of SATA connectors
- May not be suitable for high-end graphics cards with high power requirements
The AGV Series 500W Micro ATX Power Supply is a reliable and affordable option for powering micro ATX systems. With 80 Plus Bronze certification, it delivers efficient power conversion, reducing energy consumption. Its 500W capacity is sufficient for most micro ATX builds, including those with mid-range graphics cards. The non-modular design simplifies cable management within the confines of compact cases. Additionally, the 5-year warranty provides peace of mind and ensures long-term reliability.
However, it's essential to note that the AGV Series 500W Power Supply has a limited number of SATA connectors, which could be a limiting factor for systems with multiple storage devices. Also, it may not be the best choice for high-end graphics cards with exceptionally high power requirements.
PROS
- Compact size makes it ideal for smaller builds.
- Powerfully efficient with 80 PLUS Gold certification, assuring peak performance.
CONS
- Price may be out of budget for some.
- Fan noise can be noticeable under heavy load.
The Corsair RM750e (2023) is a fully modular ATX 3.0 power supply designed for modern high-end systems. It's a great pick for those seeking a potent, space-saving solution since it's built in the smaller micro ATX form factor. The RM750e delivers dependable power and efficiency thanks to its high-quality components, including 105°C-rated capacitors and 80 PLUS Gold certification, making it an excellent choice for both gaming and workstations.
The unit is packed with thoughtful features, including full modular cables, individually sleeved for better airflow and aesthetics. Additionally, it supports Modern Standby, which helps improve the system's responsiveness when waking from sleep mode. The RM750e is not only a high performer but also exceptionally quiet, with its 140mm fan operating nearly silently under typical loads. But, as with any power supply, it's essential to consider your specific power needs and budget before making your final selection.
PROS
- 850 wattage powering your gaming machine
- Gold certified efficiency
- Compact body fits snugly in micro ATX cases
- Quiet ECO mode cools without distracting noise
- Dependable Japanese capacitors for long-term reliability
- Fully modular cables allow for cleaner cable routing
CONS
- RGB fan color customization is not supported
Redragon's PSU007 80+ Gold 850W is a strong choice for powering your gaming PC. With its compact size, the PSU007 fits well in constrained micro ATX builds. Efficiency is optimized with 80+ Gold certification, giving you more power for your money without unnecessary energy loss.
Its robust construction includes 100% Japanese capacitors, ensuring longevity and reliability. Furthermore, the smart ECO mode fan is whisper-quiet while keeping temperatures under control. Fully modular cables facilitate a clean and tidy installation process, reducing clutter and making maintenance more manageable.
While RGB customization is not an option, the PSU007 remains a compelling option for those prioritizing performance. Its 850W output is more than adequate for powering even the most power-hungry gaming systems. With a micro ATX form factor and the included fully modular cables, installation is effortless. Durable components and Gold-rated efficiency make this power supply a smart choice for budget-conscious builders seeking a reliable and efficient PSU for their micro ATX gaming beast. Its 850W capacity, well-rounded feature set, and attractive price point make the Redragon PSU007 80+ Gold 850W Micro ATX Power Supply a compelling choice.
PROS
- Highly efficient 80+ Gold certification, reducing energy consumption and heat output.
- Compact micro ATX design, perfect for smaller system builds and space-constrained configurations.
CONS
- Non-modular cables may require more effort during installation and cable management.
- Continuous power output may not suffice for extremely high-power PC components.
The Thermaltake Toughpower GX2 80+ Gold 600W power supply is a well-engineered solution for those seeking reliable and efficient power delivery in micro ATX builds. Its 80+ Gold certification ensures high energy conversion efficiency, resulting in lower energy bills and reduced heat output. Despite its compact size, the GX2 packs a punch with 600W of continuous power, catering to mainstream PC configurations and gaming systems.
One notable aspect of the GX2 is its non-modular cable design. While this may require slightly more effort during installation and cable management, it can also contribute to a cleaner and more organized internal chassis, particularly in smaller cases. Overall, the Thermaltake Toughpower GX2 80+ Gold 600W is an excellent choice for micro ATX builds or space-limited applications where a high-quality, efficient, and reliable power supply is required.
When it comes to selecting the best micro ATX power supply, several notable contenders stand out based on user evaluations and expert reviews. Among these, Corsair and Thermaltake consistently garner high praise for their reliability, efficiency, and compatibility with various PC builds. Ultimately, the choice depends on individual requirements and budget. Factors like wattage, efficiency ratings, modularity, and noise levels should be carefully considered to ensure a seamless and satisfactory user experience.
Frequently Asked Questions
What is a Micro ATX power supply?
A Micro ATX power supply is a smaller version of a standard ATX power supply. It is designed to fit in smaller cases, such as those used in Micro ATX motherboards. Micro ATX power supplies are typically less powerful than ATX power supplies, but they are still capable of providing enough power for most systems.
What are the benefits of using a Micro ATX power supply?
There are several benefits to using a Micro ATX power supply. First, they are smaller than ATX power supplies, which makes them ideal for smaller cases. Second, they are less expensive than ATX power supplies. Third, they are still powerful enough to provide enough power for most systems.
What are the drawbacks of using a Micro ATX power supply?
There are a few drawbacks to using a Micro ATX power supply. First, they are less powerful than ATX power supplies. Second, they may not have as many features as ATX power supplies. Third, they may be more difficult to find than ATX power supplies.
How do I choose the right Micro ATX power supply?
When choosing a Micro ATX power supply, there are a few things to consider. First, you need to make sure that the power supply is powerful enough for your system. Second, you need to make sure that the power supply has the right connectors for your motherboard and graphics card. Third, you need to make sure that the power supply is the right size for your case.
What are some of the best Micro ATX power supplies?
Some of the best Micro ATX power supplies include the Corsair CX450M, the Thermaltake Smart BX1 500W, and the EVGA 430 W1. These power supplies offer a good combination of power, features, and price.
