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Rectangular metal power supply unit with multiple cable connectors visible

DELTA

DELTA L280E-01 280W power supply

SKU CH-TW63-TGTE8 MPN L280E-01

A 280 watt power supply with mini 24-pin, 4-pin 12V, SATA, mini-SATA, PATA and floppy connectors for Dell OptiPlex XE SFF systems

  • 280 W output powers Dell OptiPlex XE SFF systems
  • Mini 24-pin main connector fits proprietary motherboard layout
  • 12 V 4-pin auxiliary connector supplies CPU power rail
  • SATA and mini-SATA connectors support multiple drive types
  • Legacy PATA and floppy connectors retain older peripheral compatibility

Genuine Dell OptiPlex XE SFF replacement

This 280W unit is a direct replacement for the Dell OptiPlex XE small form factor desktop. It matches the original L280E-01 part number and associated Dell codes Y738P, D499R and KD98N. The supply is new and fully tested for immediate installation.

Mini 24-pin motherboard connector

The single specification that decides compatibility is the proprietary mini 24-pin main power connector (P1). Standard ATX 24-pin plugs will not fit this board. The unit also provides a 4-pin 2x2 12V connector (P2) and a 6-pin in-line connector (P10) for the same platform.

One SATA device plus legacy drives

The supply includes one SATA power connector (P3) and one mini-SATA connector (P6) for a single modern drive. It also offers one PATA connector and one floppy connector (P4) for legacy devices. No additional SATA or PCIe connectors are present for extra drives or graphics cards.

Highlights

  • 280 W output powers Dell OptiPlex XE SFF systems
  • Mini 24-pin main connector fits proprietary motherboard layout
  • 12 V 4-pin auxiliary connector supplies CPU power rail
  • SATA and mini-SATA connectors support multiple drive types
  • Legacy PATA and floppy connectors retain older peripheral compatibility

Specifications

ModelL280E-01

Questions about this item

What does the 280 W rating mean when the unit is installed in a Dell Optiplex XE SFF?

The 280 W figure is the maximum continuous output the supply can deliver to the system components inside that chassis.

Which motherboard power interface does the 24-pin mini connector use and what does it limit?

The mini 24-pin connector carries the main ATX power rails and its pin count caps the number of simultaneous voltage lines available to the board.

What physical clearance does the SFF form factor need to fit and mount in the case?

The unit is built to the Dell Optiplex XE SFF dimensions, so it slides into the dedicated bay and secures with the original screw points.

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