{{ 'fb_in_app_browser_popup.desc' | translate }} {{ 'fb_in_app_browser_popup.copy_link' | translate }}

{{ 'in_app_browser_popup.desc' | translate }}

Cooler Master MWE Gold 550 V3 ATX 3.1 550W 80 PLUS Gold Non-Modular Power Supply

Cooler Master MWE Gold 550 V3 ATX 3.1 550W 80 PLUS Gold Non-Modular Power Supply

The Cooler Master MWE Gold 550 V3 ATX 3.1 provides high-efficiency power delivery and modern hardware compatibility for mainstream PC builds. Featuring 80 PLUS Gold certification and dual EPS connectors, it ensures stable performance for current-generation CPUs and GPUs in a compact 140mm form facto


Grand Opening Sale: 2% OFF on order

{{ productService.variationPriceMemberTag(variationSelected) }}
{{shoplineProductReview.avg_score}} {{'product.product_review.stars' | translate}} | {{shoplineProductReview.total}} {{'product.product_review.reviews' | translate}}
{{amazonProductReview.avg_rating}} {{'product.product_review.stars' | translate}} | {{amazonProductReview.total_comment_count}} {{'product.product_review.reviews' | translate}}
{{ title.name_translations | translateModel }} : {{variationName[$index] | translateModel}}
Quantity
Add to Wishlist
The maximum quantity per submit is 99999
This quantity is invalid, please enter a valid quantity.
Sold Out

Not enough stock.
Your item was not added to your cart.

Not enough stock.
Please adjust your quantity.

{{'products.quick_cart.out_of_number_hint'| translate}}

{{'product.preorder_limit.hint'| translate}}

Limit {{ product.max_order_quantity }} per order.

Only {{ quantityOfStock }} item(s) left.

Please message the shop owner for order details.
Add to Wishlist
Description
Shipping & Payment
Customer Reviews
Description

The Cooler Master MWE Gold 550 V3 ATX 3.1 represents a significant step forward for mainstream power solutions, integrating the latest ATX 3.1 standards into a reliable, non-modular design. This power supply is engineered to provide a consistent 550W output with 80 PLUS Gold efficiency, ensuring that 90% of power drawn is converted into usable energy. By minimizing heat waste, the MWE Gold V3 maintains a cooler internal environment and reduces long-term electricity costs. Its fixed cable design is optimized for standard builds, offering a straightforward installation process for users who prioritize functional reliability and modern power specifications.


This product is for:
- Entry-level gaming enthusiasts requiring 80 PLUS Gold efficiency for stable system performance.
- System integrators building modern office workstations that demand ATX 3.1 compliance.
- Budget-conscious builders looking for a reputable brand with a 5-year warranty.
- Users upgrading older systems who need dual EPS connectors for modern motherboard compatibility.
- PC builders working with mid-tower cases where non-modular cable management is easily managed.

Detailed specifications:
- Model Number: MPE-5502-ACAAG-3B
- ATX Version: ATX 12V Ver. 3.1
- Efficiency: 80 PLUS Gold (90% Typical Load)
- Dimensions: 140 x 150 x 86 mm
- Fan Type: 120mm Hydro Dynamic Bearing (HDB)
- Fan Speed: 1800 RPM
- Protections: OVP, OPP, SCP, OCP, UVP, OTP
- Connectors: 1x 24-Pin ATX, 2x 4+4 Pin EPS, 2x 6+2 Pin PCI-e, 6x SATA, 3x Peripheral 4-Pin
- MTBF: >100,000 Hours at 25°C ambient

Integrating the MWE Gold 550 V3 into a build offers a quiet and thermally efficient experience. The 120mm HDB fan utilizes a smart thermal control loop that keeps the fan at lower speeds during idle or light productivity tasks, only ramping up when the system is under heavy load. The DC-to-DC circuit design ensures that the +3.3V and +5V rails remain stable, which is critical for protecting sensitive storage drives and peripherals. Its 140mm depth is particularly advantageous for builders, as it leaves more room in the PSU shroud for tucking away unused cables, facilitating better airflow throughout the chassis.

Compared to the previous MWE Gold V2, the V3 model adds critical support for the ATX 3.1 standard, providing better transient response and updated safety protocols. While it lacks the modularity found in the higher-end MWE Gold series, it offers the same 80 PLUS Gold efficiency at a more accessible price point. Unlike many competing 550W units that only provide a single EPS connector, the MWE Gold V3 includes two, making it fully compatible with modern high-performance motherboards that require additional CPU power overhead.

Q&A:
- Does this 550W model include the 12V-2x6 PCIe 5.1 cable? No, the native 12V-2x6 connector is only included in the 750W and 850W models of the MWE Gold V3 series.
- Is the MWE Gold V3 compatible with older ATX motherboards? Yes, it uses standard 24-pin and 4+4 pin connectors that are backward compatible with older ATX standards.
- What are the benefits of the HDB fan? The Hydro Dynamic Bearing fan offers a longer lifespan and quieter operation compared to standard sleeve bearing fans.
- Can this power supply handle a dedicated graphics card? Yes, it includes two 6+2 pin PCI-e connectors, suitable for mid-range dedicated GPUs.
- What is the warranty period for this product? Cooler Master provides a 5-year limited manufacturer warranty for the MWE Gold V3 series.
Shipping & Payment

Delivery Options

  • 門市自取【可選時段】(請先私訊確認庫存)
  • 宅配/代理商配送 - 免運費
  • 宅配/代理商配送
  • 新竹物流 - 常溫
  • 7-11 Pickup only (C2C)
  • 7-11 Pickup and pay in store (C2C)
  • Family Mart Pickup only (C2C)
  • Family Mart Pickup and pay in store (C2C)

Payment Options

Customer Reviews
{{'product.product_review.no_review' | translate}}

Related Products