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Compact 140mm depth ATX PSU with 120mm fan and modular cables

Silverstone Technology

Silverstone Technology Strider Platinum 550W ATX Power Supply

SKU CH-DV6V-1QZQH

Compact 140mm-deep ATX unit delivers 550W through a single +12V rail with 80 PLUS Platinum efficiency and semi-fanless 120mm cooling

  • TypeAT
  • 550 W peak output with 80 PLUS Platinum efficiency
  • 140 mm depth fits compact ATX builds
  • 100 % modular cables simplify installation
  • 120 mm fan runs semi-fanless below 20 % load
  • Single +12 V rail delivers 24/7 power at 40 °C

Compact Platinum ATX Power Supply

The SilverStone Strider Platinum 550W is a fully modular ATX unit built for small-footprint systems that demand high efficiency. Its 140mm depth allows installation in tight chassis where longer power supplies would not fit. The single +12V rail delivers 550W of continuous power at up to 40°C operating temperature. Builders who need more wattage for multi-GPU configurations will have to look elsewhere.

80 PLUS Platinum Efficiency and Semi-Fanless Cooling

The 80 PLUS Platinum rating means the unit wastes less energy as heat during normal loads. A 120mm fan runs only when the load exceeds 20%, staying completely off during idle or light work for silent operation. Under load the fan speed scales with temperature to keep noise low. Strict 3% voltage regulation and low ripple protect sensitive components.

Fully Modular Cabling for Clean Builds

All cables detach so only the required leads occupy space inside the case, improving airflow and cable routing in compact enclosures. The package includes multiple PCI-E connectors for modern graphics cards. The ATX form factor fits standard mounting points, and the 140mm depth leaves room behind the motherboard tray for cable management.

Highlights

  • 550 W peak output with 80 PLUS Platinum efficiency
  • 140 mm depth fits compact ATX builds
  • 100 % modular cables simplify installation
  • 120 mm fan runs semi-fanless below 20 % load
  • Single +12 V rail delivers 24/7 power at 40 °C

Specifications

TypeAT

Questions about this item

How do I install the 100 % modular cables into the 140 mm deep ATX unit without blocking airflow?

Mount the power supply with its fan facing the case vent, then plug only the cables your build needs into the unit's modular sockets; the 140 mm depth leaves room behind the motherboard tray for routing.

Which part will need attention first after years of 24/7 operation at 40 °C?

The 120 mm fan bearings are the only moving component; if noise appears, replace the fan with a matching 120 mm model.

What limit appears first when the load stays above 20 % for long periods?

The fan spins up once load exceeds 20 %, so sustained higher loads mean continuous fan noise rather than silent operation.

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