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Silver rectangular ATX power supply unit with modular cable sockets and a 135mm fan grille

Silverstone Technology

Silverstone Technology DA1650-G SST-DA1650-G 1650W Fully Modular ATX Power Supply 80 Plus Gold

SKU CH-RDAJ-MPAR6

Fully modular 1650W ATX power supply with 80 PLUS Gold efficiency, 100% Japanese capacitors and a 135mm FDB fan rated for 24/7 operation at 50°C

  • TypeProprietary Power Supply
  • 80 PLUS Gold certification delivers high efficiency
  • 1650W continuous output sustained at 50°C operating temperature
  • 100% modular design with universal EPS and PCIe connectors for flexible cable routing
  • 135mm FDB fan runs semi-fanless and delays shut-off for quiet operation
  • ±2% voltage regulation with low ripple backed by all Japanese capacitors

High-Capacity ATX Power Supply

This fully modular ATX power supply delivers 1650W of continuous output for demanding workstations and multi-GPU systems. It holds 80 PLUS Gold certification for high efficiency under typical loads. The unit is designed for 24/7 operation at up to 50°C ambient temperature.

Thermals, Noise and Power Draw

A 135mm FDB fan provides ultra-silent cooling with a semi-fanless mode that stops the fan at low loads. Delayed shut-off function continues airflow after system power-off to remove residual heat. Strict ±2% voltage regulation and low ripple ensure stable power delivery across all rails.

Universal Modular Connector Interface

All cables detach through a universal EPS and PCIe connector interface for maximum routing flexibility. Japanese capacitors are used throughout for long-term reliability. Buyers needing a lower-wattage unit or non-modular design for a basic build should consider other options.

Highlights

  • 80 PLUS Gold certification delivers high efficiency
  • 1650W continuous output sustained at 50°C operating temperature
  • 100% modular design with universal EPS and PCIe connectors for flexible cable routing
  • 135mm FDB fan runs semi-fanless and delays shut-off for quiet operation
  • ±2% voltage regulation with low ripple backed by all Japanese capacitors

Specifications

TypeProprietary Power Supply

Questions about this item

How do I install the fully modular cables, and which step do people often get wrong?

Connect only the cables your build needs using the universal EPS and PCIe interfaces; the common mistake is leaving a required CPU or GPU power cable unplugged, which prevents the system from starting.

What maintenance or replacement will this power supply need later?

The 135 mm FDB fan is the only moving part; dust it periodically and expect it to outlast the 24/7 continuous rating at 50 °C, while all Japanese capacitors are rated for long-term operation.

What limit appears first under sustained full load?

The 1650 W continuous output ceiling at 50 °C ambient is the first hard limit; the unit maintains ±2 % voltage regulation and low ripple up to that point, and the semi-fanless mode disengages once thermal thresholds are reached.

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