Cooler Master MPX-6501-AMAAB-US

Overview

The Cooler Master MPX-6501-AMAAB-US is a 650 watt semi-modular power supply designed to provide reliable and efficient power delivery for a variety of PC builds. It features an 80 Plus Bronze certification, ensuring up to 85 percent efficiency at typical loads, which reduces wasted energy and heat. The unit is equipped with a 120 mm fan that remains off under light loads to maintain silent operation, making it suitable for gaming rigs, home office workstations, and streaming PCs that require stable and quiet power.

Key features

• Semi-modular cabling system allows you to connect only the cables you need, improving airflow and simplifying installation.
• 80 Plus Bronze certification delivers efficient power conversion, reducing heat output and energy costs.
• 120 mm fan with a dustproof LDB bearing ensures quiet and durable cooling, activating only when system load exceeds 15 percent.
• Four PCIe connectors with thicker 16 AWG wiring support dual graphics cards or high-power GPUs, providing flexibility for demanding setups.
• Internal DC to DC circuit design maintains stable voltage across all rails for consistent performance.
• Comprehensive protection features guard against over current, over voltage, over temperature, surges, and short circuits to safeguard your components.
• Compliance with ATX 12V v2.4 standard and operation in ambient temperatures from 0 to 40 degrees Celsius ensures compatibility and reliability in various environments.

Key specs

• Power output: 650 watts continuous
• Efficiency rating: 80 Plus Bronze (up to 85% efficiency)
• Fan size: 120 mm with dustproof LDB bearing
• Fan operation: Fanless below 15% load for silent running
• Cabling: Semi-modular design
• PCIe connectors: Four with 16 AWG wiring
• Standards: ATX 12V v2.4 compliant
• Operating temperature range: 0 to 40 degrees Celsius

Connectivity and compatibility

This power supply supports a wide range of modern PC components thanks to its semi-modular design and multiple PCIe connectors. The four PCIe cables with thicker wiring are ideal for powering dual graphics cards or a single high-demand GPU, making it a strong choice for gaming and content creation systems. Its compliance with ATX 12V v2.4 ensures compatibility with most current motherboards and cases.

Performance and reliability

The internal DC to DC circuit stabilizes voltage across all rails, which helps maintain consistent power delivery even under varying loads. The fan’s dustproof LDB bearing extends its lifespan while keeping noise levels low, and the fan’s smart operation prevents unnecessary noise during light tasks. Built-in protections guard your system against electrical faults, enhancing overall reliability and component safety.

Ideal uses and environments

This power supply fits well in compact gaming towers, home office PCs, and streaming setups that require quiet operation and efficient power use. Its semi-modular design helps maintain clean cable management and optimal airflow, which is especially beneficial in smaller cases or builds where space and cooling are critical. It is well suited to users who want a balance of performance, efficiency, and quiet operation without overspending.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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