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Black and silver mini-tower desktop with DVD-RW drive

DELL

DELL OptiPlex 790 Mini Tower i5-2400 16GB DDR3 128GB SSD 1TB HDD

SKU CH-0DMW-KCX3K

A compact desktop with a quad-core processor, 16 GB DDR3 memory, dual 128 GB SSD and 1 TB hard drives, DVD±RW, Wi-Fi dongle 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 16GB DDR3

  • Quad-core Intel i5-2400 handles multi-tasking smoothly
  • 16 GB DDR3 memory supports demanding workloads
  • 128 GB SSD plus 1 TB HDD gives speed and capacity
  • Windows 10 Pro 64-bit installed ready to use
  • USB keyboard and mouse included in the box

Ready-to-use desktop for office and study

This Dell OptiPlex 790 mini tower arrives with Windows 10 Pro 64-bit pre-installed and a USB keyboard and mouse included. The Intel 2nd Gen i5-2400 quad-core processor runs at 3.10 GHz with turbo up to 3.40 GHz. Sixteen gigabytes of DDR3 memory and a dual-drive layout of 128 GB SSD plus 1 TB hard drive give quick boot times and ample file space.

Straightforward mini-tower access

The case opens without tools for simple memory or drive changes using standard 240-pin DDR3 DIMM slots and 2.5-inch and 3.5-inch drive bays. A 265 W power supply limits graphics upgrades to low-profile cards that fit the mini-tower form factor. The supplied USB wireless dongle adds Wi-Fi but occupies one port.

Suited for everyday productivity

Buyers needing a quiet, compact system for web browsing, document work and light multitasking will find the integrated Intel HD Graphics 2000 and Gigabit Ethernet adequate. Users who want more storage than 1 TB, dedicated graphics for gaming or creative rendering, or a newer processor architecture should look at other configurations.

Highlights

  • Quad-core Intel i5-2400 handles multi-tasking smoothly
  • 16 GB DDR3 memory supports demanding workloads
  • 128 GB SSD plus 1 TB HDD gives speed and capacity
  • Windows 10 Pro 64-bit installed ready to use
  • USB keyboard and mouse included in the box

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
Memory16 GB DDR3 Desktop RAM
Storage2.5" 128 GB Solid State + 3.5" 1TB 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 Capacity16GB DDR3
Memory SpeedDDR3
Memory Spec4 GB x 4
Memory Slot (Total)4
Memory Slot (Available)0
Memory Slots (Available/Total)0/4
Maximum Memory Supported16 GB
HDD1TB
HDD InterfaceSATA
Storage Spec2.5" 128 GB Solid State + 3.5" 1TB 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

5 more in the same range

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

Questions about this item

Does the system show the 16 GB DDR3 total in BIOS after first boot?

Yes, the BIOS will report the full 16 GB DDR3 capacity once the Mini Tower posts.

What accessories ship inside the box and what must I add?

The box contains the OptiPlex 790 Mini Tower, a USB keyboard, a USB mouse and a USB wireless dongle; no monitor or cables are included.

Should I choose the 128 GB SSD plus 1 TB HDD or a larger secondary drive?

The 128 GB SSD plus 1 TB HDD gives fast boot space and 1,000 GB for files; select the 2 TB HDD option only if you need more bulk storage.

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