1. Computer Power Supplies Parts
  2. sku: 12579018085949793
  3. MERIDIAN CWT550AD

MERIDIAN Atx Power Supply Psu Pentium MTC-550AD CWT-550AD 500W

Cwt-550ad Meridian Cwt550ad Technology Mtc-550ad 500w Atx Power Supply Psu Pentium 4

( Brand: Meridian ), ( Manufacturer Part Number: CWT550AD ), ( Maximum Power: 550 W ), ( Form Factor: Atx ), ( Maximum Wattage: 500 W ), ( Type: Power Module )

Review MERIDIAN Technology Atx Power Supply Psu Pentium

The Meridian CWT550AD MTC-550AD CWT-550AD 500W ATX Power Supply Unit (PSU) is a reliable and efficient solution for powering your Pentium-based computer system. This power supply offers a maximum power output of 500 watts, making it suitable for most mid-range systems.

The PSU is designed with a high-performance, quiet 135mm cooling fan that ensures optimal temperature management and prolongs the life of the components. The fan speed is regulated, allowing for quiet operation under normal loads and only increasing when necessary to maintain optimal temperatures.

This power supply unit complies with the ATX form factor, making it compatible with most modern desktop motherboards. It also features a modular design, allowing you to only connect the cables that you need, reducing clutter and improving airflow within your case.

The Meridian CWT550AD MTC-550AD CWT-550AD 500W ATX Power Supply Unit is constructed with high-quality components, including Japanese capacitors, ensuring stable and reliable power delivery to your components. It also features over-voltage, over-current, and short-circuit protection, providing an additional layer of safety for your system.

The power supply also includes a range of connectors to support various peripherals, including two 4-pin Molex connectors, two 6-pin PCIe connectors, and a 24-pin ATX connector. The cables are sleeved, providing a clean and aesthetically pleasing appearance.

In summary, the Meridian CWT550AD MTC-550AD CWT-550AD 500W ATX Power Supply Unit is a high-performance, efficient, and reliable solution for powering your Pentium-based computer system. It features a quiet cooling fan, modular design, high-quality components, and various safety features, making it an excellent choice for any mid-range system.

Meridian CWT550AD (MTC-550AD, CWT-550AD) 500W ATX Power Supply: An In-depth Analysis

The Meridian CWT550AD (also known as MTC-550AD and CWT-550AD) is a 500-watt ATX power supply unit (PSU). In this analysis, we will discuss its key features, pros, cons, and a concluding recommendation.

Key Features:

1. 500-watt power output

2. ATX form factor

3. 80 PLUS Standard efficiency

4. Active PFC (Power Factor Correction)

5. Single 12V rail

6. 24-pin ATX connector

7. 4 4-pin EPS12V connector

8. 4 x PCIe connectors

9. Modular design

Pros:

1. Sufficient power capacity for most entry-level and mid-range systems

2. ATX form factor is widely used and compatible with most modern motherboards

3. 80 PLUS Standard efficiency ensures optimal power conversion and energy savings

4. Active PFC helps improve power factor and reduces power consumption

5. Single 12V rail simplifies cable management and reduces voltage drop

6. Modular design allows for easy cable management and fewer unused cables

Cons:

1. The 500-watt capacity might be insufficient for high-end systems or future upgrades

2. The 80 PLUS Standard efficiency is less efficient compared to newer certifications like 80 PLUS Gold or Platinum

3. The single 12V rail may not be suitable for systems with multiple high-power components

Conclusion:

The Meridian CWT550AD is a decent choice for users seeking a reliable and efficient power supply for their entry-level or mid-range systems. Its 500-watt capacity, ATX form factor, and modular design make it a versatile option for most modern systems. However, potential drawbacks include its 80 PLUS Standard efficiency and single 12V rail, which may not suffice for high-end systems or future upgrades. If you have a high-performance system or plan on upgrading in the future, consider opting for a more powerful and efficient power supply unit with a higher certification like 80 PLUS Gold or Platinum.

Recommendation:

For users seeking a power supply unit for entry-level or mid-range systems, the Meridian CWT550AD is a solid choice. It offers sufficient power capacity, ATX compatibility, and an efficient design with modular cables. However, if you require a more powerful or efficient PSU, consider a higher-capacity or higher-certification model.

Details:

Over voltage and over current protection. The power supply unit itself is clean and in good working condition. Brand: Meridian Technology Corp. Low noise and ripple.

Up for sale is a Meridian Technology Corp. Peak Output: 500W. ATX power supply, model MTC-550AD also marked CWT-550AD. Features: - ATX compliant.

Form Factor: ATX. Condition: Used Good unit clean, original box has significant wear. Original box is included but has significant wear and damage. Specifications: - model: MTC-550AD / CWT-550AD.

Short circuit protection on all outputs. Thermal control. Unit is in good used condition with all cables attached. Designed for Pentium 4 systems.

part #: cwt550ad prices

  • $28.00-$108.99

specifications powsuppy:

  • brand: Meridian
  • mpn: Cwt550ad
  • maximum power: 550 W
  • form factor: Atx
  • maximum wattage: 500 W
  • type: Power Module

shipping powsuppy:

  • type: Calculated
  • cost: $10.60
  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • transit: 5-12 Days

returns powsuppy:

  • policy: No Returns

seller powsuppy:

  • city: Stroudsburg, Pennsylvania
  • # reviews: 669
  • rating: 99.2%

offer powsuppy:

  • started: May 14, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0

payments powsuppy:

  • wallet: Apple-pay
  • other
  • credit card: Mastercard

general powsuppy:

  • condition: Open box
  • Computers/Tablet's Networking > Computer Components Parts > Power Supplies
maximum power: 550 w, form factor: atx, maximum wattage: 500 w, type: power module,
category: computers > computers/tablets networking > computer components parts > power supplies, sku: 12579018085949793,

Meridian CWT550AD Is Similar To:

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