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Black and silver Dell OptiPlex 790 mini tower desktop with DVD-RW drive

DELL

DELL OptiPlex 790 Mini Tower i5-2400 8GB DDR3 128GB SSD 2TB HDD

SKU CH-7FWR-XV3RT

Mini tower desktop with a quad-core Intel i5-2400, 8 GB DDR3, 128 GB SSD plus 2 TB hard drive, DVD-RW and Windows 10 Pro

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i5-2400
  • Processor Main Features64 bit Quad-Core Processor

Memory Capacity 8GB DDR3

  • Quad-core i5-2400 handles multi-tasking smoothly
  • 128 GB SSD boots Windows 10 Pro fast
  • 2 TB hard drive stores large media libraries
  • 8 GB DDR3 memory runs everyday apps
  • DVD-RW drive reads and writes optical discs

Dell OptiPlex 790 Mini Tower

This Dell OptiPlex 790 Mini Tower is a desktop computer built for everyday office and home tasks. It runs on an Intel 2nd Gen i5-2400 quad-core processor at 3.10 GHz with 8 GB of DDR3 RAM. The system includes a 128 GB SSD and a 2 TB hard drive for combined speed and capacity. Windows 10 Pro 64-bit is pre-installed with a keyboard and mouse included.

Dual-drive upgrade from single HDD setups

The 128 GB solid-state drive replaces a traditional hard drive as the boot device, cutting start-up and application load times. The 2 TB mechanical drive adds large-volume storage for files and media. This jump is worth it when moving from a single hard-drive configuration that feels sluggish during multitasking.

Suits general office and study use

Buyers needing a ready-to-run Windows 10 Pro machine for documents, web browsing and light multitasking will find this configuration adequate. It is not for users who require dedicated graphics performance, modern high-speed memory standards, or higher-wattage power headroom for add-in cards.

Highlights

  • Quad-core i5-2400 handles multi-tasking smoothly
  • 128 GB SSD boots Windows 10 Pro fast
  • 2 TB hard drive stores large media libraries
  • 8 GB DDR3 memory runs everyday apps
  • DVD-RW drive reads and writes optical discs

Specifications

BrandDELL
SeriesOptiPlex
Model790
Part Number790/990
TypeStudent / Home Office
Form FactorDIMM 240-pin
UsageConsumer
ColorBlack/Silver
ProcessorIntel 2nd Gen i5-2400
Processor Main Features64 bit Quad-Core Processor
Memory8GB 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
CaseMini Tower
KeyboardUSB Keyboard
MouseUSB Mouse
Operating SystemWindows 10 Pro
Software IncludedWindows 10 Installed
ChipsetIntel Q67
CPU TypeIntel Core i5 2nd Gen
Installed Qty1
Max Supported Qty1
CPU Name3.10GHz
CPU Socket TypeLGA1155
CPU Main Features64 bit Processor
GPU/VGA TypeIntel HD Graphics 2000
Graphics InterfaceIntegrated video
Memory Capacity8GB DDR3
Memory SpeedDDR3
Memory Spec2 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

Other versions of this model

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Questions about this item

What are the drive bay sizes for the 128 GB SSD and the 2 TB hard drive in this OptiPlex 790 Mini Tower?

The 128 GB solid-state drive uses a 2.5 inch bay and the 2 TB hard drive uses a 3.5 inch bay.

What is the correct memory type and form factor when adding RAM to the four DIMM slots on this system?

Install DDR3 desktop modules in the 240-pin DIMM slots; the board supports up to 16 GB total.

Which component should be checked first if the 265 W power supply becomes noisy or unstable after several years of use?

The internal 265 W power supply unit is the field-replaceable part to inspect or swap if fan noise or voltage issues appear.

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