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KHACHIMO

KHACHIMO Power Supply 300-1279 PEX668-31 SPARC5 SPARC20

SKU CH-SWDS-20GZW

Replacement ATX power supply for Sun SPARC5 and SPARC20 workstations, part numbers 300-1279 and PEX668-31, tested working

  • TypeATX
  • Designed for SUN SPARC5 and SPARC20 workstations
  • Replaces OEM part numbers 300-1279 and PEX668-31
  • ATX form factor fits standard chassis
  • Tested working and built to good quality standards

Sun SPARCstation 5 and 20 replacement PSU

This ATX form-factor unit is built as a direct replacement for the original 300-1279 and PEX668-31 power supplies used in Sun SPARCstation 5 and SPARCstation 20 workstations. It is intended for technicians or enthusiasts restoring or maintaining these legacy Unix systems. Each unit is tested working before dispatch.

300-1279 compatible output for vintage loads

The supply delivers the rail voltages required by the SPARC 5 and 20 platforms, supporting typical configurations with CPU, memory and period-appropriate storage. It will not support modern high-wattage GPUs or multi-drive RAID arrays that exceed the original chassis design limits.

Highlights

  • Designed for SUN SPARC5 and SPARC20 workstations
  • Replaces OEM part numbers 300-1279 and PEX668-31
  • ATX form factor fits standard chassis
  • Tested working and built to good quality standards

Specifications

TypeATX

Questions about this item

Will the 300-1279 PEX668-31 power supply fit and power my existing SPARC5 workstation without modification?

This unit is built for the SUN SPARC5 and SPARC20 workstations, matching the original 300-1279 and PEX668-31 part numbers so it installs directly into the chassis you already have.

How can I confirm the 300-1279 PEX668-31 supply is operating correctly once installed in my SPARC20?

The supplier tests every unit before shipping; after fitting it, a normal POST and stable boot of the SPARC20 indicate the supply is delivering the expected power.

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