1. Computer Power Supplies Parts
  2. sku: 12394987599622813
  3. STARTECH ATX2POW400HS

STARTECH ATX2POW400HS Atx Power Supply Psu Pin Silent 400W 20/24

Atx2pow400hs Startech 400w Atx Power Supply Psu 20/24 Pin Silent New

( Brand: Startech ), ( Manufacturer Part Number: ATX2POW400HS ), ( Connectors: 20 Pin, 24 Pin ), ( Form Factor: Atx ), ( Type: Power Module ), ( Maximum Power: 400 W )

Review STARTECH Atx Power Supply Psu 20/24 Pin Silent New

The StarTech.com ATX2Pow400HS is a reliable and efficient 400-watt ATX power supply unit (PSU) designed to meet the power demands of modern desktop computers. This PSU features a high wattage output, making it an excellent choice for systems with multiple high-performance components or multiple graphics cards.

The unit comes with a 20-pin and a 4-pin 24-pin connector, ensuring compatibility with a wide range of modern systems. The 20-pin connector covers the essential power requirements for the motherboard, while the 24-pin connector offers additional power lines for peripherals and other components. In total, this PSU provides 20 4 4-pin connectors, ensuring all necessary power connections are covered.

One of the standout features of the ATX2Pow400HS is its silent operation. StarTech.s proprietary Silent Power Technology (SPT) integrates a quiet 135mm cooling fan, which ensures the PSU remains cool and efficient while keeping noise levels to a minimum. This makes it an ideal solution for users who value a quiet computing environment.

The PSU adheres to the ATX form factor and is 80 PLUS certified, meaning it converts at least 80% of the input power into usable DC output power under typical load conditions. This certification not only ensures high efficiency but also minimizes energy waste and helps reduce the overall carbon footprint of your system.

The ATX2Pow400HS is built with high-quality components, including Japanese capacitors, ensuring long-lasting performance and reliability. The unit also undergoes rigorous testing to meet industry standards and to ensure it can handle the demands of modern components.

In summary, the StarTech.com ATX2Pow400HS is a high-performance, silent 400-watt ATX power supply that is compatible with a wide range of modern systems. Its efficient design, quiet operation, and reliable components make it an excellent choice for powering demanding desktop systems while maintaining a quiet computing environment.

The StarTech ATX2Pow400HS 400W ATX power supply (PSU) is a silent, efficient option for powering your computer system. Below are some pros and cons to help you decide if this PSU is the right choice for you.

Pros:

1. Silent Operation: This PSU utilizes a fanless design, which means it operates silently without any fan noise. This can be beneficial for those who value a quiet computing environment.

2. High Efficiency: The StarTech ATX2Pow400HS has an 80 PLUS Gold certification, which means it converts 90% or more of the input power into output power under typical loads. This results in less power waste and increased energy savings.

3. Modular Design: This PSU features a modular design, which allows you to only connect the cables you need. This can help reduce clutter in your case and improve airflow.

4. 20/24 Pin Compatibility: This PSU is compatible with both 20-pin and 24-pin ATX motherboards, providing flexibility in its use.

5. 5-Year Warranty: StarTech offers a 5-year warranty on this PSU, which provides peace of mind and protection against any manufacturing defects.

Cons:

1. Limited Power Capacity: With a maximum capacity of 400W, this PSU may not be suitable for high-end systems that require more power.

2. No Overvoltage Protection: This PSU does not have any overvoltage protection, which means it may not be suitable for systems that require voltage regulation.

3. Limited Connectivity: While the modular design is beneficial for reducing clutter, it may also limit the number of connectors available for certain components.

Conclusion:

The StarTech ATX2Pow400HS 400W ATX power supply is a solid choice for those who prioritize silent operation and high efficiency. Its modular design and 20/24 pin compatibility add to its versatility. However, its limited power capacity and lack of overvoltage protection may make it less suitable for some users. Ultimately, it depends on your specific system requirements and preferences. If a quiet, efficient PSU is your priority, then the StarTech ATX2Pow400HS is a worthy consideration. On the other hand, if you require more power or voltage regulation, you may need to look elsewhere. I would recommend carefully evaluating your system's power needs and considering the advantages and disadvantages of this PSU before making a decision.

Details:

Details: Brand: StarTech. Packaging may show minor shelf wear from storage or handling, but the product itself remains new and unused. Multiple peripheral connectors for standard PC components. Designed for standard ATX desktop systems.

Model: ATX2POW400HS. Power Output: 400W. ATX12V 2.01 compliant. New Condition, This item is brand new and has not been used.

Brand new, factory sealed. Packaging is unopened and in original condition. 20/24-pin main power connector.

part #: atx2pow400hs prices

  • $45.00-$119.59

specifications powsuppy:

  • brand: Startech
  • mpn: Atx2pow400hs
  • connectors: 20 Pin, 24 Pin
  • form factor: Atx
  • type: Power Module
  • maximum power: 400 W

general powsuppy:

  • condition: New
  • Computers/Tablet's Networking > Computer Components Parts > Power Supplies

seller powsuppy:

  • city: Manhattan, Kansas
  • rating: 99.0%
  • # reviews: 107

returns powsuppy:

  • time: 30 Days
  • method: Money back
  • paid by: Seller
  • policy: Returns Accepted

payments powsuppy:

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offer powsuppy:

  • sold: 0
  • quantity: 1
  • started: April 30, 2026
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock

shipping powsuppy:

  • cost: $0.00
  • class: Standard
  • type: Fixed
  • service: Standard
  • transit: 4-9 Days
connectors: 20 pin, 24 pin, form factor: atx, type: power module, maximum power: 400 w,
category: computers > computers/tablets networking > computer components parts > power supplies, sku: 12394987599622813,

Startech ATX2POW400HS Is Similar To:

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5 offers $45.00–$119.59 USD
  • Offer #1: $49.99 price + $0.00 shipping estimate = $49.99* total.FREE SHIPPING
  • Offer #2: $119.59 price + $31.63 shipping estimate = $151.22* total. The Case may have scratches, scuffs or dents from previous use Does Not include A Motherboard, RAM, HDD Or other components NOT pictured.+$31.63 shipping
  • Offer #3: $45.00 price + $7.45 shipping estimate = $52.45* total. The product is a StarTech ATX power supply model ATX2PW400PRO.+$7.45 shipping
  • Offer #4: $35.00 price + $12.92 shipping estimate = $47.92* total. Perfect for keeping your system up and running smoothly, this unit is sure to meet the needs of your Dell-compatible PC setup. The StarTech Dell-Compatible Power Supply ATXPW400DEL is a new, sealed power module designed for Dell PCs.+$12.92 shipping
  • Offer #5: $25.00 price + $11.53 shipping estimate = $36.53* total. Manufactured by StarTech, this power supply is a reliable choice for ensuring stable and efficient power delivery to your computer system The Started ATX2Power400 ATX12V Computer PC Power Supply 2.01 is a new in box power supply module designed for computers.+$11.53 shipping

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