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Rectangular silver metal ATX power supply unit with cooling fan and power connectors

KHACHIMO

KHACHIMO DC 2650W Switching Power Supply

SKU CH-4ES6-89RH8

ATX power supply delivering 2650 W with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby compatibility

  • Product typeATX
  • Modern Standby support enables extremely fast wake-from-sleep times
  • 80 PLUS Gold certification delivers high efficiency for lower power consumption
  • Zero RPM fan mode stops the fan at low loads for near-silent operation
  • Resonant LLC topology with DC-to-DC conversion provides clean, consistent power
  • ATX form factor fits standard desktop chassis

High-wattage ATX power supply

The KHACHIMO DC 2650W Switching Power Supply is an ATX-form-factor unit rated at 2650 watts. It carries 80 PLUS Gold certification for high-efficiency operation and uses a resonant LLC topology with DC-to-DC conversion to deliver clean, consistent power. Modern Standby compatibility enables extremely fast wake-from-sleep times and better low-load efficiency.

For high-demand systems and silent builds

This unit suits workstations or servers that require very high output and benefit from quiet running; the Zero RPM fan mode stops the cooling fan entirely at low and medium loads for near-silent operation. Builders needing only modest wattage or a smaller physical footprint should look at lower-capacity alternatives.

Verify connector and space requirements

Confirm that your motherboard and components match the ATX power connector layout and that your case can accommodate a supply of this capacity. Check that the listed part numbers — 789376-001, 798099-B21, D48S2650A, HSTNS-PD55, 813831-001, 795554-101 — correspond to the exact replacement you need.

How it compares

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

Price $497.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What motherboard power connector does the ATX-type 2650W unit require?

It uses a standard 24-pin ATX main connector plus the EPS and PCIe cables needed for the board and graphics cards you already have installed.

Will the 80 PLUS Gold certified 2650W supply run efficiently with older components that draw little power at idle?

Yes — Modern Standby compatibility and the resonant LLC topology with DC-to-DC conversion keep efficiency high and ripple low even at very light loads typical of legacy hardware.

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

With the system at idle or light load the fan should stay completely still; you can also watch the fan-speed reading in BIOS or monitoring software drop to 0 RPM.

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