BIYTC 90W AC Adapter for Dell OptiPlex Micro Desktops

If your OptiPlex micro desktop or compact Dell system needs a reliable external power brick, this BIYTC 90W adapter supplies the correct voltage and multiple current ratings to match many OptiPlex models. It’s designed to fit Dell connector dimensions and supports worldwide AC input, so it’s ready for office, classroom, or home use without complicated setup. The unit includes basic safety protections and comes with a power cord so you can plug in and go immediately.

Which Dell OptiPlex models will this BIYTC adapter work with?

This adapter is compatible with a broad set of Dell OptiPlex micro and small desktop models, covering several series and generations. Confirm the connector size (4.5 x 3.0 mm) and the required output (19.5V) on your Dell device before purchasing to ensure match. It supports models commonly shipped without internal PSUs, where an external brick is used to power the system.

• Compatible models include OptiPlex Micro 7010, 7020, 7040, 7050, 7060, 7070, 7080, 9020, 9010 and many 3000/5000/7000 series micro systems
• Connector: 4.5 x 3.0 mm barrel plug — verify your original connector size
• Output voltage required by Dell micro desktops: 19.5V

How much power and charging speed does this adapter provide?

BIYTC’s adapter delivers 19.5 volts with available current ratings that support up to 90 watts total power. The adapter lists outputs that include 3.33A and 4.62A options, enabling compatibility with systems that demand different current draw levels. This allows steady operation of the desktop and connected devices without throttling due to inadequate power.

• Nominal output: 19.5V DC
• Current options: 3.33A and 4.62A (up to 90W capability)
• Designed to support desktops under normal office and productivity loads

What safety features and certifications does the adapter include?

The power brick has integrated protections to minimize risk to your desktop and surroundings. Built-in overcharge, overvoltage, overcurrent, and short-circuit protection help prevent damage from electrical faults. While it’s not a manufacturer OEM part, the protections align with common safety expectations for replacement adapters.

• Overcharge protection to prevent battery or component stress
• Overvoltage and overcurrent protection for stable output
• Short-circuit protection to reduce fire or component risk

What’s included and how easy is installation?

The package ships ready to plug in: the adapter brick plus an AC power cord are included so you won’t need additional cables. Installation is straightforward — plug the cord into a wall outlet and the barrel connector into your OptiPlex micro power jack. Always match voltage and connector type before powering on the system.

• Package contents: 1x BIYTC AC adapter, 1x AC power supply cord
• Ready to use out of the box; no driver or software needed
• Simple plug-and-play connection to Dell micro desktops

Who is this for: IT technicians, small-business owners, schools, and home users who need a dependable replacement power supply for Dell OptiPlex micro and compact desktops. If your original Dell brick is lost, damaged, or underpowered, the BIYTC 90W adapter is a practical substitute that offers the right voltage, compatible connector sizing, and essential protections for everyday computing tasks. Always confirm your model’s power requirements and connector dimensions before purchase to ensure full compatibility.

Technical summary: AC input 100–240V 50–60Hz, connector 4.5 x 3.0 mm, output 19.5V with 3.33A / 4.62A support, includes safety protections and power cord.