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Black Dell OptiPlex 7090 mini tower desktop with DVD-RW drive

DELL

DELL OptiPlex 7090 Mini Tower i7-10700 8GB 1TB SSD

SKU CH-RJYY-M809M

Business desktop with an 8-core Intel i7-10700, 8GB DDR4, 1TB SSD and DVD-RW in a mini-tower chassis

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 10th Gen
  • Memory size8 GB DDR4
  • Storage drive1 TB SSD
  • GraphicsIntel HD Graphics
  • CPU10th Generation Intel Core i7-10700 8-Core Processor at 2.9
  • Powerful 8-core i7-10700 handles heavy workloads
  • 1TB SSD provides fast storage for files
  • 8GB DDR4 memory supports smooth multitasking
  • DVD-RW drive reads and writes optical media
  • Gigabit Ethernet delivers reliable wired connectivity

Dell OptiPlex 7090 Business Desktop

The Dell OptiPlex 7090 is a Mini Tower desktop built for business environments. It runs on a 10th Generation Intel Core i7-10700 8-Core processor with a base clock of 2.90GHz and a maximum turbo frequency of 4.80GHz. The system includes 8GB of DDR4 memory and a 1TB SSD for storage. Windows 10 Pro is pre-installed.

Installation and Common Issues

The tower chassis uses standard mounting points for the included components. Adding or replacing DDR4 modules requires opening the case and aligning the notches with the motherboard slots. The 260W power supply limits the graphics cards that can be added without an upgrade. Ensure any expansion card fits the available PCIe slots and stays within the power budget.

Deciding Specification — 260W Power Supply

The 260W power supply is the single specification that determines whether this desktop can support additional hardware. It restricts the choice of discrete graphics cards and high-wattage processors. Buyers who need more power for demanding workloads or dedicated GPUs should verify the power headroom before purchase.

How it compares

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

Price $931.99
Pricier than about 74% of the 14,711 comparable items (median $494.99).
Memory size 8 GB DDR4
Lower than about 80% of the 5,840 comparable items (median 16 GB).
RAM capacity 8 GB DDR4
Lower than about 80% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name7090
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Core i7 10th Gen
CPU10th Generation Intel Core i7-10700 8-Core Processor at 2.9 GHz Up to 4.8 GHz
CPU modelIntel Core i7-10700
Processor cache16 MB
L3 cache per CPU16 MB
Memory
Memory size8 GB DDR4
RAM capacity8 GB DDR4
RAM type and speedDDR4
Memory configuration8 GB DDR4
Storage
Storage drive1 TB SSD
SSD storage1 TB
Hard driveNo
Storage configuration1 TB SSD
Disc driveDVD-RW
Optical driveDVD-RW
Display
Screen sizeNo Screen
Graphics
GraphicsIntel HD Graphics
GPUIntel HD Graphics
GPU modelIntel HD Graphics
GPU interfaceIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Ethernet controllerIntegrated
Wi-FiNo
Bluetooth supportNo
Ports & slots
Front USB ports2 x USB 2.0, 1 x USB 3.2, 1 x USB Type-C 3.2
Front audio jacks1
Memory card readerNo
Video connectors1 x DisplayPort
Rear USB ports4 x USB 3.2, 2 x USB 2.0
Ethernet port1 port
Rear audio jacks1
Power
Power supply260 W
Size & build
Form factorMini Tower
Overall dimensions11.53 × 3.65 × 11.42
In the box
Included monitorNot included
Bundled mouseWired Mouse
Pointing deviceWired Mouse
In the boxMini Tower desktop PC, Mouse, Keyboard, Power cord
Software
Operating systemWindows 10 Pro
More details
KeyboardWired Keyboard
Keyboard typeWired Keyboard

Questions about this item

How do I confirm the i7-10700 reaches its 4.80GHz turbo speed after setup?

Open Task Manager, select the Performance tab, and watch the CPU clock speed while running a heavy load; it should climb toward 4.80GHz when thermal headroom allows.

The listing includes a wired keyboard and mouse — do I need to buy any cables or adapters separately?

No extra cables are required; the keyboard and mouse connect directly to the USB 3.2 ports, and the 260W power supply uses a standard mains lead.

Should I choose the 8GB DDR4 configuration or add more memory for typical business workloads?

8GB DDR4 handles standard office tasks and web browsing; if you run virtual machines or large datasets, plan to install additional DDR4 modules.

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