description Dell OptiPlex 3090 Micro Overview
The Dell OptiPlex 3090 Micro is a compact, small-form-factor desktop computer engineered for business and enterprise environments. As part of Dell's 3090 series, it is typically equipped with 10th or 11th Generation Intel Core processors and supports up to 64GB of DDR4 RAM. The micro form factor allows the device to be mounted behind monitors or under desks, making it suitable for space-constrained offices. It is designed for professionals who require standard productivity computing capabilities in a modular, space-saving chassis.
help Dell OptiPlex 3090 Micro FAQ
Does every Dell OptiPlex 3090 Micro have an 11th Generation Intel processor?
No. Dell's official Micro specifications list 10th Generation T-series processors such as the Core i5-10500T and Core i7-10700T, plus Celeron and Pentium options, so the service tag matters. [Dell processor specifications](https://www.dell.com/support/manuals/en-us/optiplex-3090-micro/optiplex3090_micro_ss/processors?guid=guid-2989f2d9-89d6-45d2-aec3-7123506ca7a9&lang=en-us)
How much RAM can the Dell OptiPlex 3090 Micro support?
It has two SODIMM slots and supports up to 64 GB of DDR4 memory using two 32 GB modules. Dell lists memory speeds of 2666 MHz or 2933 MHz depending on the installed processor. [Dell memory specifications](https://www.dell.com/support/manuals/en-us/optiplex-3090-micro/optiplex3090_micro_ss/memory?guid=guid-e9d2ea83-38a4-431d-803c-96d63c1dbc34&lang=en-us)
Can the OptiPlex 3090 Micro run two monitors without a graphics card?
Yes, the standard rear panel has two DisplayPort 1.4 outputs. Some configurations also include an optional third VGA, DisplayPort, or HDMI 2.0b port. [Dell external ports](https://www.dell.com/support/manuals/en-us/optiplex-3090-micro/optiplex3090_micro_ss/external-ports?guid=guid-4c4cc1ba-66a4-45f0-8dfc-6013a624ddc0&lang=en-us)
Can the Dell OptiPlex 3090 Micro run Ubuntu?
Dell lists Ubuntu Linux 20.04 LTS 64-bit among the supported operating systems, alongside Windows 11 Home and Pro. The exact driver experience can still depend on the Wi-Fi module and other installed options. [Dell operating system specifications](https://www.dell.com/support/manuals/en-us/optiplex-3090-micro/optiplex3090_micro_ss/operating-system?guid=guid-7b81d002-0a69-4d28-9c38-bbcdf7051010)
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