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Black rectangular power supply unit with 24-pin, 4-pin, SATA and floppy connectors visible

Ruth's sister

Ruth's sister Internal Power Cable WU142 275W 24Pin 4Pin SATA

SKU CH-TEQJ-EMTMJ

275W PSU for 740, 745 and 755 SFF systems with 24-pin, 4-pin CPU and SATA connectors

  • 275 W output powers compatible SFF systems
  • 24-pin ATX connector feeds the motherboard
  • 4-pin CPU connector supplies processor power
  • SATA power connector drives storage devices
  • 100–264 V input works worldwide

Ruth's sister 275W Internal Power Cable

This 275W internal power cable delivers system-board and drive power for compatible small-form-factor desktops and servers. It carries a 24-pin ATX connector, a 4-pin CPU connector, a 4-pin SATA connector and a 4-pin FDD connector. The unit is non-modular and uses passive power-factor correction.

Replaces L275E-01, H275E-00, PW124.

The cable assembly fits systems originally shipped with part numbers WU142, 0WU142 or CN-0WU142. It is a direct swap for Dell 740 SFF, 745 SFF, 755 SFF, XPS 210 and 9200C chassis. The jump is worth it when the original supply has failed or shows unstable voltage under load.

Limited to 275W total output

The 24-pin and 4-pin CPU leads cover motherboard needs, while the single SATA lead powers one drive. Builds requiring additional SATA devices, a dedicated graphics card or higher wattage cannot use this unit. Input range is 100-264V at 50-60Hz.

Highlights

  • 275 W output powers compatible SFF systems
  • 24-pin ATX connector feeds the motherboard
  • 4-pin CPU connector supplies processor power
  • SATA power connector drives storage devices
  • 100–264 V input works worldwide

Specifications

No published specifications for this item yet.

Questions about this item

Does the 24-pin ATX connector match the motherboard socket on a 740 SFF system?

Yes, the P1 24-pin ATX connector is listed as compatible with 740 SFF, 745 SFF and 755 SFF models.

Which connector must be seated first to avoid a no-post condition?

Seat the 24-pin ATX connector fully before attaching the 4-pin CPU power plug; reversing the order often leaves the 24-pin loose.

When should the 4-pin SATA power lead be replaced?

Replace the SATA lead if the plastic housing cracks or the pins show discoloration from heat cycling.

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