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Black and silver mini tower desktop with DVD-RW drive

DELL

DELL OptiPlex 790/990 Mini Tower i5-2400 3.10GHz 8GB DDR3 128GB SSD 1TB HDD

SKU CH-99BH-SF8DD

A quad-core desktop with 128 GB SSD, 1 TB hard drive, 8 GB DDR3 RAM and Windows 10 Pro installed

  • 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 Intel i5-2400 at 3.10 GHz handles everyday multitasking
  • 128 GB SSD plus 1 TB HDD gives fast boot and ample storage
  • 8 GB DDR3 memory supports smooth multi-application workflows
  • Windows 10 Pro 64-bit pre-installed with Certificate of Authenticity
  • USB keyboard and mouse included for immediate setup

Dell OptiPlex 790/990 Mini Tower

This desktop computer uses an Intel 2nd Gen i5-2400 quad-core processor at 3.10 GHz with 8 GB of DDR3 memory. It fits student or home-office users who need a ready-to-run Windows 10 Pro system in a compact mini-tower case.

Dual-drive storage with DVD-RW and USB Wi-Fi

A 128 GB solid-state drive holds the operating system for quick boot times while a 1 TB hard drive adds bulk capacity for files. The bundled DVD±RW drive reads and writes optical media, and a USB wireless dongle provides network connectivity without a cable.

Suited for everyday office tasks, not modern gaming

Buyers who need a basic productivity machine with legacy DDR3 memory and integrated Intel HD Graphics 2000 will find this configuration adequate. Those who require dedicated graphics, newer memory standards or higher multi-threaded performance should look at something else.

Highlights

  • Quad-core Intel i5-2400 at 3.10 GHz handles everyday multitasking
  • 128 GB SSD plus 1 TB HDD gives fast boot and ample storage
  • 8 GB DDR3 memory supports smooth multi-application workflows
  • Windows 10 Pro 64-bit pre-installed with Certificate of Authenticity
  • USB keyboard and mouse included for immediate setup

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" 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 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
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

Will the 128 GB SSD or the 1 TB hard drive need replacement first?

The 1 TB hard drive has moving parts and typically wears out before the 128 GB solid-state drive under normal use.

What limits sustained performance when the Intel i5-2400 runs at 3.40 GHz turbo?

The 265 W power supply and Mini Tower airflow limit how long the processor can hold 3.40 GHz under continuous load.

How loud and hot does the 265 W power supply get during all-day operation?

The 265 W supply runs a single fan that stays audible but moderate; case temperatures rise noticeably after several hours of full-load work.

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