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Black and silver Dell OptiPlex 790 mini tower desktop case

DELL

DELL OptiPlex 790 Mini Tower i7-2600 3.40GHz 4GB DDR3 128GB SSD 2TB HDD

SKU CH-81J0-D2TTW

Mini-tower desktop with a quad-core i7-2600, 4 GB DDR3, 128 GB SSD and 2 TB HDD, running Windows 10 Pro

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i7-2600
  • Processor Main Features64 bit Quad-Core Processor

Memory Capacity 4GB DDR3

  • Quad-core i7-2600 at 3.40 GHz handles multi-tasking
  • 128 GB SSD boots Windows 10 Pro in seconds
  • 2 TB hard drive stores large media libraries
  • DVD-RW drive reads and writes optical discs
  • Gigabit Ethernet plus USB Wi-Fi dongle connects to networks

Dell OptiPlex 790 Mini Tower Desktop

This Dell OptiPlex 790 Mini Tower desktop is a new system built around an Intel 2nd Gen i7-2600 quad-core processor running at 3.40 GHz. It ships with 4 GB of DDR3 RAM, a 128 GB SSD, and a 2 TB hard drive. Windows 10 Pro 64-bit is pre-installed with a Certificate of Authenticity. A keyboard and mouse are included in the box.

Sustained workload behaviour

The 265 W power supply supports the 64-bit quad-core CPU and its 3.90 GHz turbo boost during extended multi-tasking sessions. Dual-drive storage keeps the operating system responsive on the SSD while the 2 TB hard drive handles large file archives. Integrated Intel HD Graphics 2000 and Gigabit Ethernet provide stable output for typical office applications.

Upgrade path and value

The motherboard accepts up to 16 GB of DDR3 RAM across 240-pin DIMM slots for buyers who need more memory headroom. The Mini Tower case offers internal bays for additional 3.5-inch drives if storage requirements grow beyond the factory 2 TB. Buyers who want discrete graphics or higher-wattage components should verify case and power-supply constraints before purchase.

Points forts

  • Quad-core i7-2600 at 3.40 GHz handles multi-tasking
  • 128 GB SSD boots Windows 10 Pro in seconds
  • 2 TB hard drive stores large media libraries
  • DVD-RW drive reads and writes optical discs
  • Gigabit Ethernet plus USB Wi-Fi dongle connects to networks

Caractéristiques

BrandDELL
SeriesOptiPlex
Model790
Part Number790/990
TypeStudent / Home Office
Form FactorDIMM 240-pin
UsageConsumer
ColorBlack/Silver
ProcessorIntel 2nd Gen i7-2600
Processor Main Features64 bit Quad-Core Processor
Memory4GB DDR3 Desktop RAM
Storage2.5" 128 GB Solid State + 3.5" 2TB Hard Drive
Optical DriveDVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
Wireless CardUSB Dongle
Power Supply265W
MonitorMonitor not included
CaseMini Tower
KeyboardUSB Keyboard
MouseUSB Mouse
Operating SystemWindows 10 Pro
Software IncludedWindows 10 Installed
ChipsetIntel Q67
CPU TypeIntel Core i7 2nd Gen
CPU Name3.40GHz
CPU Main Features64 bit Processor
GPU/VGA TypeIntel HD Graphics 2000
Graphics InterfaceIntegrated video
Memory Capacity4GB DDR3
Memory Spec1 GB x 4
Memory Slot (Total)4
Memory Slot (Available)0
Memory Slots (Available/Total)0/4
Maximum Memory Supported16 GB
HDD2TB
HDD InterfaceSATA
Storage Spec2.5" 128 GB Solid State + 3.5" 2TB Hard Drive
Optical Drive TypeDVD-R/RW
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
BluetoothYes
Front USB4
Front Audio Ports1x Headphone, 1x Microphone, 1x Line In
PS/22
Video Ports1 VGA, 1 Display Port
Rear USB6
RJ451 port
Rear Audio Ports1x Headphone, 1x Microphone, 1x Line In
Keyboard TypeUSB Keyboard
Mouse TypeUSB Mouse
Dimensions (H x W x D)24 x 22 x 12
Weight24 lbs
Package ContentsUSB Keyboard/Mouse and Power Cord

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Questions sur cet article

How much heat and noise does the 265W power supply generate during all-day use?

The 265W power supply feeds the i7-2600 quad-core processor and dual-drive storage; under typical office loads the fan runs quietly and the chassis stays warm but not hot.

What must I already own to start working with this OptiPlex 790?

A monitor with VGA or DisplayPort input is required because the Mini Tower ships without a display; keyboard and mouse are included.

Will my existing DDR3 memory modules work alongside the installed 4GB stick?

Yes — the board uses 240-pin DDR3 DIMM slots, so compatible DDR3 modules can be added up to the 16GB maximum.

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