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Black 1U 300W power supply unit with rear fan grille and modular cables visible

KHACHIMO

KHACHIMO 1U 300W Replaceable AIO XPS 2710 2720 Power Supply

SKU CH-T4MM-R3W1G

1U 300 W ATX unit fits Dell XPS 2710 and 2720 AIOs with 80 PLUS Gold efficiency and zero-RPM fan mode

  • Product typeATX
  • Faster wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps operation near-silent at low loads
  • Resonant LLC with DC-to-DC topology delivers clean, stable power
  • 300 W ATX unit built as a direct replacement for XPS 2710 and 2720

Compact 300W ATX power supply

This 1U form-factor unit delivers 300 watts of continuous power for Dell XPS 2710 and 2720 all-in-one desktops. It targets owners of those specific models who need a direct replacement for the original L260EA-00 or PS-3261-9DA modules. The 80 PLUS Gold certification ensures high efficiency across typical workloads.

Drop-in fit for proprietary AIO chassis

The supply matches the original mechanical and electrical interface, so it slides into the existing 1U bay without adapter cables or case modification. Modern Standby compatibility allows the system to enter and exit low-power sleep states quickly, preserving the fast wake behaviour the platform expects. DC-to-DC conversion with resonant LLC topology provides clean voltage rails for the integrated motherboard and display electronics.

Gold efficiency with semi-passive cooling

At low and medium loads the fan stops completely, eliminating audible noise while the 80 PLUS Gold rating keeps waste heat minimal. Under heavier demand the fan spins up to maintain safe temperatures inside the sealed all-in-one enclosure. The resonant LLC design also suppresses coil whine, contributing to quieter overall operation during sustained use.

How it compares

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

Price $240.99
Pricier than about 70% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What is the maximum continuous power this 300W unit can deliver before protection triggers?

The power supply is rated for 300W continuous output; its over-power protection will engage if the load exceeds that level for a sustained period.

How loud does the fan get when the system runs at full load all day?

At low and medium loads the Zero RPM mode keeps the fan completely off; under sustained high load the fan spins up but the LLC resonant topology and DC-to-DC conversion are designed to minimise coil whine and keep acoustic noise low.

Which Dell XPS chassis models accept this 1U form-factor replacement?

It is a direct replacement for the XPS 2710 and XPS 2720 all-in-one desktops, matching the original L260EA-00 and PS-3261-9DA part numbers.

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