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Black and silver Dell OptiPlex 790 mini tower desktop computer

DELL

DELL OptiPlex 790 Mini Tower i7-2600 3.40GHz 8GB DDR3 128GB SSD

SKU CH-C3P7-V2DFW

A mini-tower desktop with a 3.40 GHz quad-core i7-2600, 8 GB DDR3 RAM, 128 GB SSD, DVD±RW, WiFi and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 2nd Gen
  • Memory size8 GB DDR3 Desktop RAM
  • Storage drive128 GB 2.5 in Solid State Hard Drive ( SSD)
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel Q67

Memory Capacity 4GB DDR3

  • Quad-core i7-2600 at 3.40 GHz handles multitasking smoothly
  • 8 GB DDR3 memory supports everyday workloads
  • 128 GB 2.5-inch SSD speeds up boot and load times
  • DVD±RW drive reads and writes optical media
  • Windows 10 Pro 64-bit pre-installed for immediate use

Dell OptiPlex 790 Mini Tower desktop

This Dell OptiPlex 790 Mini Tower desktop arrives new with Windows 10 Pro 64-bit installed and a USB keyboard and mouse included. It is built for students and home-office users who need a ready-to-use system for everyday productivity, web browsing and light multitasking.

Tool-free chassis access for memory and storage

The Mini Tower case opens without tools so DDR3 DIMMs and the 2.5-inch SSD can be swapped in minutes. The only common issue is the four-slot DDR3 limit, which caps total memory at 16 GB and prevents further upgrades beyond that ceiling.

128 GB SSD with 16 GB memory ceiling

The 128 GB solid-state drive holds the operating system and a modest application set, while 8 GB of installed DDR3 handles typical office workloads. Storage runs out quickly with large media libraries, and the 16 GB RAM maximum blocks heavier virtualisation or content-creation tasks.

How it compares

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

Price $214.99
Cheaper than about 87% of the 14,711 comparable items (median $494.99).
Memory size 8 GB DDR3 Desktop RAM
Lower than about 80% of the 5,840 comparable items (median 16 GB).
RAM capacity 4 GB DDR3
Lower than about 95% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name790
Part number790/990 Series
Product typeStudent / Home Office
Recommended useConsumer
Product colorBlack/Silver
Processor
ProcessorIntel Core i7 2nd Gen
CPUIntel Quad-Core i7-2600 3.4 GHz
CPU modelIntel Core i7-2600
ChipsetIntel Q67
Memory
Memory size8 GB DDR3 Desktop RAM
RAM capacity4 GB DDR3
RAM type and speedDDR3
Memory configuration1 GB x 4
Total memory slots4
Free memory slots0
Memory slots0/4
Max supported RAM16 GB
Storage
Storage drive128 GB 2.5 in Solid State Hard Drive ( SSD)
Hard driveNo
Disc driveDVD±RW Drive
Drive interfaceSATA
Optical driveDVD±RW
Display
Screen sizeNo Screen
Graphics
GraphicsIntel HD Graphics 2000
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Audio chipIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wireless adapterWiFi USB Adapter
Ethernet controllerIntegrated
Wi-Fi802.11 Wireless LAN
Ports & slots
Front USB ports4
Front audio jacks2
Video connectors1 VGA, 1 Display Port
Rear USB ports6
Ethernet port1x Headphone, 1x Microphone, 1x Line In
Size & build
Form factorDIMM 240-pin
ChassisMini Tower
Overall dimensions11.4 × 3.7 × 12.3
Product weight12 lb (5.44 kg)
In the box
Included monitorNot included
Bundled mouseUSB
Pointing deviceUSB Mouse
Software
Operating systemWindows 10 Pro
Pre-installed softwareWindows 10 Pro Installed
More details
KeyboardUSB
Rear IEEE 13941 port
Keyboard typeUSB Keyboard

Other versions of this model

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Questions about this item

How do I confirm the Intel i7-2600 processor is running at its 3.40 GHz base speed after setup?

Open Task Manager in Windows 10 Pro, select the Performance tab, and check the CPU base speed shown for the Intel i7-2600 Quad-Core processor.

What components are included in the box and what must I provide separately?

The box contains the OptiPlex 790 Mini Tower with 8 GB DDR3 RAM, 128 GB 2.5" SSD, DVD±RW drive, WiFi USB adapter, USB keyboard, USB mouse, and Windows 10 Pro 64-bit with CoA; you must supply a monitor.

Which memory capacity should I choose among the 4 GB, 8 GB, or 16 GB DDR3 options for this system?

The 8 GB DDR3 configuration installed matches the 64-bit Windows 10 Pro for smooth multitasking; select 16 GB DDR3 only if you run memory-intensive applications.

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