DPS-600EM-00 600W Power Supply for Dell XPS 8940, OptiPlex & Inspiron Desktops — With PCIe Graphics Power

More power for Dell towers, so you can replace a failed PSU or add a graphics card.

The DPS-600EM-00 is a 600W power supply for Dell desktops including the XPS 8940, OptiPlex 3040, 5040, 7040, 5070, 7070, 5080 and 7080 MT, and Inspiron 3650 and 3656. It provides Dell motherboard connectors and PCIe graphics power. It suits users replacing a failed supply or upgrading for a graphics card.

Why Dell Towers Need a Dell-Specific Power Supply

Many recent Dell desktops use an 8-pin main motherboard connector instead of the standard 24-pin ATX plug, along with a proprietary mounting layout. A retail ATX supply will not connect to the board without adapters, and it may not fit the case.

The DPS-600EM-00 is built for these systems. It mounts in the Dell chassis, plugs into the board directly and adds PCIe power connectors, which many factory 240W–300W units lack. That makes it a practical upgrade if you want to add a graphics card.

Power for Graphics Card Upgrades

With 600W output and PCIe 8-pin (6+2) connectors, the supply can power many mid-range and some high-end graphics cards. Always check the card’s power requirement and physical size against your case before upgrading.

Wide Dell Compatibility

The unit is listed for XPS 8940, OptiPlex 3040/5040/7040 MT, OptiPlex 5070/7070/5080/7080 MT and Inspiron 3650/3656, so one part can cover several desktops in a home or office.

Setup Instructions

How to Install the DPS-600EM-00

1. Shut down the Dell desktop, unplug the AC cord and press the power button for a few seconds to drain residual power.
2. Open the side panel, photograph the cable routing, then disconnect the power cables from the motherboard, drives and any graphics card.
3. Remove the mounting screws or release latch, take out the old unit and install the replacement in the same position.
4. Reconnect every cable, close the case, plug in the AC cord and power on to confirm the system boots and the fan spins.