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OptiPlex 3090 Micro Form Factor

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Essential, compact desktop.

Essential commercial micro form factor desktop that delivers best-in-class security and performance with 10th Gen Intel® processors.

Operating System

Available with Windows 11 or Windows 10.

Uncompromising productivity

Power through your work: Built with 10th Generation Intel® Core™ i3 or i5 processors for faster performance.

Optimized chassis design: The 3090 micro now has simplified configurations to be cost effective and provide an easier purchasing decision.

Modernize your experience with Dell Technologies Unified Workspace

Dell Technologies Unified Workspace is the gold standard approach to helping you achieve a modernized endpoint environment and deliver an optimized end user experience. Dell's software and services solutions integrate with current endpoint environments and provide enhanced efficiencies, actionable insights and an optimized experience across deployment, security, management and support.

Gains from implementing Dell Technologies Unified Workspace offset hardware and IT costs*
• Modern factory provisioning and reduce deployment time by 50%*
• Comprehensive endpoint security above and below the OS
• Unified management from one console of your choice
• Predictive, proactive support to reduce support calls by up to 46%* and resolve issues 6x faster*
Windows 11 Pro - designed for hybrid work.
Windows 11 Pro - designed for hybrid work.
The most productive and secure version of Windows yet—but simple for IT.
Learn More

Ports & Slots

1. Power Button | 2. Universal Audio Jack | 3. Line-In/out | 4. USB 3.2 Gen 1 Type-A port | 5. Knock-out Slots for Wireless Antenna | 6. Optional Port: Serial/PS2/VGA/DP1.4/HDMI 2.0 | 7. 4 x USB3.2 Gen1 Type-A Ports, 1 with Smart Power on | 8. Thumbscrew | 9. Padlock Loop | 10. RJ-45 Port | 11. K-lock Slot | 12. 2 x Display Ports| 13. Power Connection

Dimensions & Weight

1. Width: 1.42" (36 mm)
2. Depth: 7.03" (178.56 mm)
3. Height: 7.16" (182 mm)

Starting Weight: 2.56 lb (1.16 kg)*

Essential accessories for your OptiPlex 3090 Micro

Work smarter and faster with a fully customized workspace with purpose-built accessories designed and tested for OptiPlex.
Dell 24 Monitor – P2422H
Dell 24 Monitor – P2422H
Stay productive no matter where you work with this sleek 23.5" FHD monitor with ComfortView Plus.
Mouse - KM5221W
Dell Pro Wireless Keyboard and Mouse - KM5221W
Enhance your everyday productivity with a quiet full size keyboard and mouse combo that offers programmable shortcuts and 36 months battery life.*
Dell Wired Mouse with Fingerprint Reader – MS819
Safeguard your identity and login instantly, without needing to remember complex passwords, when you use the Dell Wired Mouse with Fingerprint Reader.
Dell Pro Wired Headset - WH3022
Experience exceptional audio clarity with this Teams certified wired headset that allows you to wear the microphone on either side for a customized fit.
Dell Slim Soundbar - SB521A
World’s slimmest and lightest soundbar* offers exceptional audio clarity and easy magnetic attachment to your Dell monitors, ensuring a clutter-free desk.
OptiPlex Micro Cable Cover
Thermally tested and designed for OptiPlex, this custom cable cover offers an easy-to-install and attractive way to manage cables and secure ports.
Dell UltraSharp Webcam - WB7022
Elevate your video conferencing experience with the world’s best image quality* 4K webcam that optimizes your visuals with a large 4K Sony STARVIS™ CMOS sensor and AI Auto-Framing.
Dell 27 Monitor - P2722H
Dell 27 Monitor - P2722H
Stay productive, no matter where you work. Reduce harmful blue light with this sleek 27" FHD monitor featuring ComfortView Plus technology.
Picture of a Dell Ultrasharp 24" Monitor U2422H.
Dell Ultrasharp 23.8" Monitor - U2422H
Take your work to new heights with this 23.8" FHD monitor with a wide color coverage. Features ComfortViewPlus an always-on built-in low blue light screen, fast connectivity and transfer speeds.

Essential stands, mounts and enclosures for your OptiPlex 3090 Micro

Create a full customized and comfortable workspace with purpose-built accessories designed and tested for OptiPlex.
Dell Single Monitor Arm – MSA20
Enjoy a virtually tool-free assembly and easy installation with this World’s first monitor arm that offers swivel angle adjustment with a flip of a switch*.
Dell Micro All-in-One Stand – MFS18
Securely house your OptiPlex Micro and Dell monitor neatly on your desk with this compact stand.
OptiPlex Micro All-in-One VESA Mount for E Series Monitors
This mount allows the Micro to be VESA mounted to select Dell E Series displays.
OptiPlex Micro Dual VESA Mount with Adapter Bracket
Completely open your workspace with a behind-the-monitor mounting solution. Use with Dell MSA20 or Dell MDA20 for ultimate support.
OptiPlex Micro DVD+/-RW Enclosure
Mount your system on a wall or under a surface with full optical drive access. This includes an adapter box to securely house the system’s power adapter.
OptiPlex Micro Vertical Stand
Vertically position your system on your desktop for added stability.
OptiPlex Micro VESA Mount with Adapter Bracket
Mount your system on a wall or under a desk. This includes an adapter box to securely house the system’s power adapter.

We’ve got your business covered

Get 24x7 proactive, automated support and onsite service when you need it with Dell ProSupport. Let our team give you back valuable time so you can take care of business.
ProSupport Plus
ProSupport Plus
Get anytime priority access to expert support with AI-driven predictive analytics and Accidental Damage Service to protect against drops, spills, surges and more.



Dell Support

From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered!

Intel® Core™ Processors

Learn More about Intel

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