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Semi-modular ATX power supply unit with honeycomb ventilation grille and 135mm fan

myVolts

myVolts 650W Semi-Modular ATX Power Supply 80 Plus Bronze

SKU CH-1D5A-P4ZZS

Semi-modular 650W ATX unit with 80 Plus Bronze efficiency, active PFC, single +12V rail, 135mm fan, Japanese main capacitors and full protection suite

  • Product typeAT
  • 650 W output with active PFC and single +12 V rail delivers stable power for SLI and CrossFire builds
  • 80 Plus Bronze and UL certified for 85 % minimum efficiency at 50 % load and recognised safety testing
  • 135 mm high-flow fan runs quietly while keeping temperatures low and reducing energy cost
  • Universal 115-230 V input with full protection suite guards components against voltage, current and thermal events
  • Semi-modular flat cables and Japan-made main capacitors simplify cable routing and improve long-term reliability

650W ATX Power Supply for Mid-Range Builds

This new myVolts unit delivers 650 watts of continuous power through a single +12V rail and carries 80 Plus Bronze certification for 85% minimum efficiency at 50% load. It complies with Intel ATX 12V standards and includes active PFC to support SLI and CrossFire multi-GPU configurations. The semi-modular design keeps cable clutter low inside mid-range gaming PCs or home-theatre builds.

Semi-Modular Cabling and Protection Suite

Flat, flexible modular cables let you connect only the PCI-Express and peripheral leads your build requires, improving airflow through the honeycomb ventilation structure. Japan-made main capacitors and comprehensive protections — over-voltage, under-voltage, over-current, short-circuit, over-load and over-temperature — guard components against unstable mains input. A 135 mm high-flow fan runs quietly while exhausting heat efficiently.

Compatibility Checks Before Ordering

Verify that your case accepts a standard ATX-form-factor power supply and that the 13.5 cm fan clearance suits your layout. Confirm your motherboard and graphics cards use the native PCI-Express connectors provided, as no adapter cables are mentioned. Ensure your local mains supply falls within the universal 115-230 V, 50-60 Hz range so the active PFC circuit operates correctly.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $201.99
Pricier than about 63% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Which components are most likely to wear out and need replacement over time?

The 13.5 cm fan and the Japan-made main capacitors are the primary parts that degrade with continuous operation.

What limit appears first when the unit runs at full load for long periods?

The 650 W output ceiling is the hard limit; sustained loads above that trigger over-load protection and shut the supply down.

How loud and hot does the 135 mm fan get during all-day operation?

The high-flow 135 mm fan is designed for low noise; 85 % minimum efficiency at 50 % load means less waste heat, so the fan stays at modest speed.

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