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Silver rectangular AT power supply unit with fan and ventilation holes 215x115x50mm

myVolts

myVolts S-350-12v 300W 5V 60A AT power supply

SKU CH-HP3N-K1FGE

A 300W AT switching power supply delivering 5V at 60A with overload, overvoltage, short-circuit and over-temperature protection

  • Product typeAT
  • Multiple safety protections guard against faults
  • All-copper transformer with honeycomb design resists heat buildup
  • Built-in fan and LED indicator aid cooling and status checks
  • Compact 215x115x50 mm form factor saves installation space
  • Wide 100-120 V / 200-260 V AC input suits global use

Universal 5 V 300 W AT supply

This AT-form-factor switching unit delivers a regulated 5 V output at up to 60 A for 300 W total power. It accepts 100-120 V or 200-260 V AC input, making it suitable for worldwide bench use. Built-in protections cover short circuit, overload, overvoltage, over-temperature and inrush current. A forced-air fan and honeycomb copper transformer keep temperatures low during continuous operation.

60 A headroom for dense 5 V loads

The 60 A rating comfortably runs multiple CCTV cameras, radio transceivers or microcontroller arrays from a single rail. Voltage regulation stays tight while the fan spins at 4500-5000 rpm to move air through the vented alloy chassis. Headroom disappears when the combined draw approaches 300 W; sustained loads above that trip the overload guard and shut the output down.

Replaces bulky linear transformers

The 215 x 115 x 50 mm enclosure is far smaller than equivalent iron-core units, freeing rack or cabinet space. Swapping a legacy linear supply for this switcher cuts weight and heat while adding the full protection suite. The upgrade pays off when the installation needs quiet, fan-cooled operation and automatic fault recovery without manual fuse changes.

How it compares

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

Price $72.99
Cheaper than about 78% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Will this 5 V 60 A unit power legacy AT motherboards and drives without adapters?

It is an AT-type supply delivering 5 V at 60 A with 300 W total output, matching the voltage and connector style used by older AT systems.

How can I confirm the supply is operating correctly once installed?

The built-in LED power indicator lights when the unit is on, and the fan spins at 4500–5000 rpm to show active cooling.

What comes in the box and what must I source separately?

The package includes one power supply measuring 215 × 115 × 50 mm; mounting screws, AC power cord and any AT-to-ATX adapters are not included.

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