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Silver rectangular ATX power supply unit with ventilation grille and fan visible

KHACHIMO

KHACHIMO PBA600F-3R3 3.3V 1200A 600W power supply

SKU CH-ZCA2-J6ES0

Delivers 600 W at 3.3 V with 1200 A, 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support

  • TypeATX
  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Fan stays off at low loads for silent running
  • LLC resonant topology with DC-to-DC delivers clean, stable power
  • 3 V rail supplies up to 1200 A for high-current components

High-efficiency ATX power supply

This 600 W ATX unit delivers up to 1200 A on the 3.3 V rail and meets 80 PLUS Gold efficiency standards. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power while reducing coil whine. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. It suits builders who want a quiet, efficient power source for a standard desktop PC.

Ideal for quiet workstations and modern sleep states

The Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation, making it a good fit for noise-sensitive environments. Modern Standby support benefits users who rely on quick resume from sleep. Builders needing higher total wattage or multiple 12 V rails for multi-GPU configurations should look at a larger unit, as this model provides a single 600 W output.

Topology and fan behaviour change daily use

The resonant LLC design with DC-to-DC conversion lowers coil whine and supports deeper, more energy-efficient sleep states. Zero RPM mode removes fan noise entirely during light workloads such as browsing or media playback. Together these features mean the power supply runs cooler and quieter without extra software or hardware add-ons.

Points forts

  • Fast wake from sleep with Modern Standby support
  • 80 PLUS Gold efficiency lowers power draw and heat
  • Fan stays off at low loads for silent running
  • LLC resonant topology with DC-to-DC delivers clean, stable power
  • 3 V rail supplies up to 1200 A for high-current components

Caractéristiques

TypeATX

Questions sur cet article

What motherboard power connector does the ATX-type PBA600F-3R3 require?

It uses a standard 24-pin ATX main connector plus the CPU and peripheral cables that ship with the unit.

Will the 3.3 V rail on this 600 W supply handle legacy PCI cards that draw 5 V?

The 3.3 V rail delivers up to 1200 A; 5 V devices need the separate 5 V rail, so check your motherboard provides that voltage.

How can I confirm the Zero RPM fan mode is active after building the PC?

At low and medium loads the fan stops completely — listen for silence and watch the fan blades stay still while the system idles.

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