1. Computer Power Supplies Parts
  2. sku: 8423005850696761
  3. COOLMAX V-400

COOLMAX V-400 Atx Power Supply V2.03 400W

V2.03 Coolmax V-400 Atx 400w Power Supply

( Brand: Coolmax ), ( Manufacturer Part Number: V-400 ), ( Part Type: Supply ), ( Compatible Brand: Universal ), ( Cooling: 1 Fan ), ( Color: Silver ), ( Maximum Input Current: 10 A ), ( Form Factor: Atx ), ( Maximum Power: 400 W ), ( Unit Type: Unit ), ( Country/region Of Manufacture: China )

Review COOLMAX Atx Power Supply

The Coolmax V-400 V2.03 is a high-performance 400-watt power supply unit (PSU) designed for the modern computing setup. This ATX format PSU comes with several advanced features that ensure stable and efficient power delivery to your system components.

The Coolmax V-400 V2.03 is built with a 120mm double ball fan for optimal cooling performance. This fan is designed to operate quietly while maintaining a consistent temperature, allowing for a more pleasant computing experience. The fan speed is adjustable, enabling users to customize the fan noise level to their preference.

The PSU utilizes 100% Japanese capacitors, which are renowned for their durability and reliability. These capacitors provide the power supply with a longer lifespan and improved power stability. The unit also features Active PFC technology, which ensures high efficiency and reduces power loss during the power conversion process.

The Coolmax V-400 V2.03 offers a modular design, which makes cable management easier and more efficient. The modular design allows users to only connect the cables they need, reducing clutter and improving airflow within the case. The PSU comes with a full suite of essential cables, including 24-pin ATX, 8-pin EPS12V, and various peripheral cables.

Safety is a top priority for Coolmax, and the V-400 V2.03 is equipped with several safety features to ensure the protection of your components. These features include overvoltage protection, undervoltage protection, overcurrent protection, short-circuit protection, and overheat protection.

The Coolmax V-400 V2.03 is a high-quality, reliable, and efficient power supply solution that caters to the demands of modern computing systems. With its advanced features, quiet operation, and robust design, this PSU is an excellent choice for any PC builder or upgrader.

The Coolmax V-400 V2.03 is a 400-watt ATX power supply unit (PSU). Here are some pros and cons that may help you decide if this PSU is a good choice for your computer build.

Pros:

1. Affordable: The Coolmax V-400 V2.03 is a budget-friendly option for those looking for a reliable power supply without spending a lot of money.

2. Efficient: This PSU has an 80 certification, which means it is energy efficient and can save you money on electricity bills in the long run.

3. Quiet Operation: The Coolmax V-400 V2.03 operates quietly, making it a good choice for those who value a quiet computer environment.

4. Multiple Outputs: The PSU offers a variety of output connectors, including 24-pin ATX, 4 4-pin EPS12V, and various PCIe and SATA connectors, making it a versatile option for different system configurations.

Cons:

1. Limited Wattage: With a maximum output of only 400 watts, this PSU may not be suitable for high-end computer builds that require more power.

2. Limited Features: The Coolmax V-400 V2.03 does not offer advanced features like modular cabling, active PFC, or over-voltage protection, which may be desirable for some users.

3. Limited Brand Reputation: Coolmax is not as well-known a brand as some other PSU manufacturers, and there may be concerns about the reliability and durability of their products.

Conclusion:

The Coolmax V-400 V2.03 is a budget-friendly and efficient power supply unit that is suitable for basic computer builds. Its quiet operation and variety of output connectors are additional advantages. However, it has limited wattage, features, and brand reputation, making it less desirable for high-end builds or those who value advanced features. Ultimately, the decision to buy this PSU depends on your specific needs and budget.

Recommendation:

If you are building a basic computer system and are looking for an affordable and efficient power supply, the Coolmax V-400 V2.03 may be a good choice for you. However, if you require more power, advanced features, or a well-known brand, you may want to consider other options. It's always a good idea to compare different models and read reviews before making a purchase.

Details:

With a maximum power output of 400W and cooling system featuring one fan, this ATX form factor supply is suitable for wide range universal compatible brands. The sleek silver color and compact design make it a stylish efficient choice for powering your computer setup. Made by COOLMAX in China, this model is a reliable option for ensuring stable and efficient power delivery to your system components. The COOLMAX V-400 ATX V2.03 400W Power Supply is a high-quality power supply unit designed for computer systems.

part #: v400 prices

  • $35.00-$38.99

specifications powsuppy:

  • brand: Coolmax
  • mpn: V-400
  • part type: Supply
  • compatible brand: Universal
  • cooling: 1 Fan
  • color: Silver
  • maximum input current: 10 A
  • form factor: Atx
  • maximum power: 400 W
  • unit type: Unit
  • country/region of manufacture: China

shipping powsuppy:

  • cost: $19.30
  • class: Economy
  • service: UPS Ground Saver
  • carrier: UPS
  • transit: 6-10 Days
  • type: Calculated

seller powsuppy:

  • rating: 100.0%
  • city: Amarillo, Texas
  • # reviews: 9

general powsuppy:

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

offer powsuppy:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: August 5, 2025

returns powsuppy:

  • policy: No Returns

payments powsuppy:

  • credit card: Discover
  • other
  • wallet: Apple-pay
part type: supply, compatible brand: universal, cooling: 1 fan, maximum input current: 10 a, form factor: atx, maximum power: 400 w, unit type: unit, country/region of manufacture: china,
category: computers > computers/tablets networking > computer components parts > power supplies, color: silver, sku: 8423005850696761,

Coolmax V-400 Is Similar To:

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5 offers $35.00–$38.99 USD
  • Offer #1: $35.00 price + $14.92 shipping estimate = $49.92* total. Coolmax Tech Qty of 1 per Lot ATX v2.01 Power Supply.+$14.92 shipping
  • Offer #2: $38.99 price + $7.00 shipping estimate = $45.99* total. Made by the trusted brand Coolmax and originating from China, this power supply is a dependable choice for keeping your system running smoothly. The Coolmax Power Supply is a reliable and efficient ATX12V unit designed for powering your computer system.+$7.00 shipping
  • Offer #3: $38.99 price + $0.00 shipping estimate = $38.99* total.FREE SHIPPING
  • Offer #4: $26.53 price + $11.16 shipping estimate = $37.69* total. Open box but it's new...never used New.+$11.16 shipping
  • Offer #5: $25.99 price + $13.81 shipping estimate = $39.80* total. Brand new in sealed box.+$13.81 shipping

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