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Small black rectangular mini desktop PC with Dell branding

DELL

DELL OptiPlex 3090 Micro desktop PC i5-10500T 16GB DDR4 512GB Windows 11 Pro

SKU CH-RTSD-39GDZ

A compact micro desktop with a 6-core Intel i5-10500T up to 3.80 GHz, 16GB DDR4, 512GB SSD, Intel UHD 630 graphics and Windows 11 Pro

  • CPU modelIntel Core i5-10500T
  • RAM capacity16 GB DDR4
  • SSD storage512 GB
  • GraphicsIntel UHD Graphics 630
  • Operating systemWindows 11 Pro
  • Form factorMini PC
  • Micro form factor saves desk space
  • Intel Core i5-10500T with 3.80 GHz turbo handles daily tasks
  • 16GB DDR4 memory keeps multiple apps responsive
  • 512GB SSD provides fast boot and file access
  • Windows 11 Pro delivers business-grade security and management

Compact micro desktop for everyday productivity

The Dell OptiPlex 3090 Micro is a new mini PC built around an Intel Core i5-10500T processor with 6 cores and 12 threads running at a 2.30 GHz base and 3.80 GHz turbo. It ships with 16GB of DDR4 memory and a 512GB SSD, driven by Intel UHD Graphics 630 and preloaded with Windows 11 Pro for immediate deployment in office or home settings.

Suits users needing a space-saving Windows 11 Pro

This system fits buyers who want a quiet, small-footprint machine for web browsing, document editing, video calls and light multitasking. It is not for buyers who need discrete graphics performance, internal expansion slots, support for multiple high-resolution displays beyond the integrated output capability, or user-upgradable memory beyond the installed 16GB.

Simple setup with minimal integration risk

The micro form factor arrives fully assembled with a wireless keyboard and mouse, so installation is limited to connecting power, a display and peripherals. The main friction points are the proprietary chassis that prevents standard component upgrades and the integrated graphics which cannot be supplemented with a dedicated card; verify your display connectors match the available ports before purchase.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $307.99
Cheaper than about 70% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 512 GB
Typical for this category: the median of 11,342 items is 512 GB.

Specifications

Product
Product typeDesktop PC
Processor
CPU modelIntel Core i5-10500T
Memory
RAM capacity16 GB DDR4
Storage
SSD storage512 GB
Graphics
GraphicsIntel UHD Graphics 630
Size & build
Form factorMini PC
Software
Operating systemWindows 11 Pro

Questions about this item

Does the 512 GB SSD leave a free slot for a second drive?

The OptiPlex 3090 Micro uses a single M.2 slot for its 512 GB SSD; no second M.2 or 2.5″ bay is present in this form factor.

Will the Intel UHD Graphics 630 drive two legacy VGA monitors?

The integrated Intel UHD Graphics 630 provides DisplayPort and HDMI outputs; VGA requires an active adapter on one of those ports.

How can I confirm the i5-10500T is hitting its 3.80 GHz turbo under load?

Open Task Manager’s Performance tab or a tool like HWMonitor while running a heavy task; the CPU clock should show up to 3.80 GHz on active cores.

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