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Rectangular ATX power supply unit with matte black metal casing and rear exhaust grille

KHACHIMO

KHACHIMO SD-350-48 350W ATX Power Supply

SKU CH-X4C1-44J2V

An 80 PLUS Gold ATX power supply delivering 350 W with zero-RPM fan mode and Modern Standby support for fast wake times and silent low-load operation

  • Product typeATX
  • Modern Standby support for near-instant wake from sleep
  • 80 PLUS Gold certification delivers high efficiency and cooler running
  • Zero RPM fan mode stops the fan at low loads for silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, stable power
  • 350 W ATX output powers mainstream desktop builds reliably

350W ATX power supply

The KHACHIMO SD-350-48 is a 350W ATX power supply built for modern standby systems. It delivers 80 PLUS Gold certified efficiency to reduce energy waste and heat output. This unit targets builders who need reliable power for mainstream desktop configurations.

Modern standby and efficiency limits

Modern standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency. The 80 PLUS Gold rating ensures high efficiency operation for lower power consumption, less noise, and cooler temperatures. At higher sustained loads the fan will spin to maintain safe thermal performance.

Replacing older ATX units

This supply replaces older ATX units that lack modern standby support and high efficiency ratings. The upgrade is worth it when building or refreshing a system that uses low-power sleep states and values quiet operation. It is not suited for builds requiring higher wattage or multiple high-end graphics cards.

How it compares

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

Price $109.99
Cheaper than about 63% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Is the 350W model the right capacity for a standard office build?

A 350W unit covers typical office configurations with integrated graphics and a single storage drive, leaving headroom for normal load spikes.

What does the 80 PLUS Gold rating mean for daily electricity use?

Gold certification confirms high efficiency across typical loads, reducing wasted energy and keeping internal temperatures lower than standard units.

Does the ATX form factor and Modern Standby support work with current motherboards?

Yes, the ATX layout fits standard cases and Modern Standby compatibility enables faster wake times and deeper sleep states on supported platforms.

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