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

DELL

DELL OptiPlex 790/990 Mini Tower i5-2400 16GB DDR3 512GB SSD 2TB HDD

SKU CH-KZ22-JP315

A quad-core Intel i5-2400 desktop with 16 GB DDR3, 512 GB SSD plus 2 TB HDD, 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 2TB

  • Quad-core Intel i5-2400 handles multi-tasking smoothly
  • 16 GB DDR3 memory supports demanding workloads
  • 512 GB SSD plus 2 TB HDD gives fast boot and vast storage
  • DVD-RW drive reads and writes optical media
  • Gigabit Ethernet and USB Wi-Fi dongle provide flexible connectivity

Dell OptiPlex 790/990 Mini Tower

This Dell OptiPlex 790/990 Mini Tower is a desktop computer built around an Intel 2nd Gen i5-2400 quad-core processor running at 3.10 GHz with a 3.40 GHz turbo boost. It comes with 16 GB of DDR3 memory, a 512 GB SSD, a 2 TB hard drive, DVD±RW drive, Gigabit Ethernet, a USB wireless dongle, and Windows 10 Pro 64-bit pre-installed. A USB keyboard and mouse are included.

Suits everyday office and home tasks

The 16 GB DDR3 and dual-drive layout give smooth multitasking for web browsing, document work, email, and media playback. The integrated Intel HD Graphics 2000 handles basic display output only. Buyers who need dedicated graphics for gaming, video editing, or 3D work should look elsewhere, as should anyone requiring a newer processor architecture or faster memory standard.

512 GB SSD plus 2 TB HDD storage

The 512 GB solid-state drive provides quick boot and application launch, while the 2 TB hard drive adds generous space for large files, backups, and media libraries. The 265 W power supply and mini-tower chassis limit internal expansion to low-profile cards and modest power draw. Users planning high-wattage upgrades or multiple additional drives will need a different platform.

Highlights

  • Quad-core Intel i5-2400 handles multi-tasking smoothly
  • 16 GB DDR3 memory supports demanding workloads
  • 512 GB SSD plus 2 TB HDD gives fast boot and vast storage
  • DVD-RW drive reads and writes optical media
  • Gigabit Ethernet and USB Wi-Fi dongle provide flexible connectivity

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" 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 QtyUSB Mouse
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
HDD2TB
HDD InterfaceSATA
Storage Spec2.5" 512 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

5 more in the same range

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

Questions about this item

Does the 265 W power supply and Mini Tower case leave room for a PCIe graphics card upgrade?

The 265 W supply and Mini Tower chassis support low-profile PCIe cards that draw power only from the slot; a card needing an extra power connector would exceed the budget.

Will the integrated Intel HD Graphics 2000 drive a legacy VGA monitor without an adapter?

The rear video outputs are DVI and DisplayPort; a VGA screen needs an active DVI-to-VGA or DisplayPort-to-VGA adapter.

How can I verify the 16 GB DDR3 configuration is recognised after first boot?

Open Task Manager → Performance → Memory and confirm 16 GB appears with DDR3 shown as the type.

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