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Black mini-tower desktop with silver accents, DVD-RW slot, keyboard and mouse included

DELL

DELL OptiPlex 790 Mini Tower i5-2400 16GB DDR3 512GB SSD + 1TB HDD

SKU CH-82K4-WN05W

A Dell OptiPlex mini-tower desktop with a quad-core Intel i5-2400, 16 GB DDR3 RAM, 512 GB SSD plus 1 TB hard drive, 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

HDD 1TB

  • Quad-core i5-2400 handles everyday multitasking
  • 16 GB DDR3 memory keeps multiple apps responsive
  • 512 GB SSD boots Windows 10 Pro quickly
  • 1 TB hard drive adds room for large files
  • DVD±RW drive reads and writes optical media

Ready-to-use desktop for everyday work

The Dell OptiPlex 790 Mini Tower arrives with Windows 10 Pro 64-bit installed and a USB keyboard and mouse included. An Intel 2nd Gen i5-2400 quad-core processor runs at 3.10 GHz with a 3.40 GHz turbo boost. Sixteen gigabytes of DDR3 memory support multitasking across office applications and web browsing.

Dual-drive upgrade over single-drive systems

A 2.5-inch 512 GB solid-state drive holds the operating system and active files for fast boot and load times. A 3.5-inch 1 TB hard drive adds capacity for archives, media libraries and backups. The combination replaces configurations that rely on a single mechanical drive or a smaller SSD alone.

Suited for home offices and student tasks

Integrated Intel HD Graphics 2000 and a 265 W power supply limit the machine to 2D productivity and video playback. Buyers who need discrete graphics for modern gaming, GPU-accelerated rendering or multiple high-resolution displays should look at a different system.

Highlights

  • Quad-core i5-2400 handles everyday multitasking
  • 16 GB DDR3 memory keeps multiple apps responsive
  • 512 GB SSD boots Windows 10 Pro quickly
  • 1 TB hard drive adds room for large files
  • DVD±RW drive reads and writes optical media

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" 512 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
SSD512GB
HDD1TB
HDD InterfaceSATA
Storage Spec2.5" 512 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

Will a 240-pin DDR3 DIMM fit the memory slots on this OptiPlex 790?

Yes, the board uses standard 240-pin DDR3 DIMM slots, so any compatible DDR3 desktop module will seat correctly.

Which screw or latch secures the 2.5" 512 GB SSD inside the Mini Tower chassis?

The 2.5-inch SSD mounts in a drive caddy that slides into a 3.5-inch bay and is held by a tool-less latch; the caddy screws into the SSD first, then the latch locks the assembly in place.

When the 265 W power supply eventually fails, what form-factor replacement should I source?

Order a standard ATX power supply rated for at least 265 watts; the Mini Tower case accepts regular ATX units with the usual 24-pin and 4-pin CPU connectors.

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