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Small grey desktop tower, micro form factor, compact size

DELL

DELL OptiPlex 3090 Micro Desktop i5-10500T 16GB 256GB SSD 500GB HDD

SKU CH-77Y6-14663

Tiny business desktop with a six-core i5-10500T, 16 GB DDR4, dual 256 GB SSD and 500 GB HDD storage, Windows 10 Pro, and dual DisplayPort output

  • TypeBusiness Desktops & Workstations
  • Form FactorTiny
  • UsageBusiness
  • ColorGray
  • Processori5-10500T
  • Memory16GB

Operating System Windows 10 Pro

Memory 16GB DDR4

  • 16GB DDR4
  • 8GB DDR4

SSD 256GB

  • 256GB
  • 512GB

HDD 500GB

Struck-through versions exist but are not stocked here.

  • Six-core Intel i5-10500T reaches 3.8 GHz turbo for responsive multitasking
  • 16 GB DDR4 memory keeps business applications running smoothly
  • Dual-drive layout pairs 256 GB SSD speed with 500 GB HDD capacity
  • Micro chassis measures 36 mm wide for clutter-free desk placement
  • Windows 10 Pro pre-installed with enterprise-grade security features

Micro form factor for office deployments

The Dell OptiPlex 3090 Micro Desktop fits into tight spaces with a width of 1.42 inch and a depth of 7.03 inch. It ships with Windows 10 Pro and includes a keyboard and mouse so it is ready for immediate business use. The compact chassis weighs 2.56 lb, making it easy to mount behind a display or tuck onto a shelf.

Thermals and power in daily workloads

The six-core Intel Core i5-10500T runs at a 2.3 GHz base frequency and reaches 3.8 GHz with Turbo Boost while staying inside a low-power envelope suited to the tiny chassis. Integrated graphics handle standard office visuals without a discrete card, keeping heat output and fan noise modest during typical productivity tasks.

Build quality and daily connectivity

A thumbscrew secures the cover for tool-less access while a padlock loop and K-lock slot provide physical security options. Front I/O includes a universal audio jack, a USB 3.2 Gen 1 Type-A port with Smart Power On, and line-in/out. The rear adds four more USB 3.2 Gen 1 Type-A ports, two DisplayPort outputs, an RJ-45 jack and optional port knock-outs for serial, PS/2, VGA, DP 1.4 or HDMI 2.0. No wireless card is installed.

Highlights

  • Six-core Intel i5-10500T reaches 3.8 GHz turbo for responsive multitasking
  • 16 GB DDR4 memory keeps business applications running smoothly
  • Dual-drive layout pairs 256 GB SSD speed with 500 GB HDD capacity
  • Micro chassis measures 36 mm wide for clutter-free desk placement
  • Windows 10 Pro pre-installed with enterprise-grade security features

Specifications

BrandDELL
SeriesOptiPlex
ModelOptiplex 3090 Micro Desktop
Part NumberOptiplex 3090 Micro Desktop
TypeBusiness Desktops & Workstations
Form FactorTiny
UsageBusiness
ColorGray
Processori5-10500T
Memory16GB
Storage500 GB HDD + 256 GB SSD
Wireless CardNo Wifi
MonitorMonitor not included
Operating SystemWindows 10 Pro
CPU TypeIntel Core i5 10th Gen
CPU NameIntel Core i5-10500T
Memory Capacity16GB DDR4
SSD256GB
HDD500GB
Screen SizeNo Screen
TouchscreenNo
LAN Speed10/100/1000Mbps
BluetoothYes

Other versions of this model

3 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install extra RAM and which slot do people put the stick in?

The unit has two SO-DIMM slots; insert the DDR4 module at an angle until the clips snap — the lower slot is filled first from the factory.

Which drive will wear out first and how do I swap it?

The 2.5-inch 500 GB hard drive has moving parts and will fail before the 256 GB M.2 SSD; remove the thumbscrew, slide the chassis cover off, and replace the drive in its caddy.

What thermal limit appears first during a long compile job?

The 36 mm tall chassis relies on a single blower fan; sustained loads push the i5-10500T to its thermal ceiling and the firmware reduces clock speeds to stay within the cooling capacity.

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