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Black and silver Dell OptiPlex 790 mini tower desktop with keyboard

DELL

DELL OptiPlex 790 Mini Tower i5-2400 3.10GHz 4GB DDR3 128GB SSD + 2TB HDD desktop PC

SKU CH-E3BR-YCJNR

Mini-tower desktop with a quad-core Intel i5-2400, 4 GB DDR3, 128 GB SSD and 2 TB hard drive, plus 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 4GB DDR3

  • Quad-core i5-2400 handles multi-tasking smoothly
  • 128 GB SSD plus 2 TB HDD gives fast boot and large storage
  • 4 GB DDR3 memory supports everyday applications
  • Windows 10 Pro 64-bit pre-installed with licence
  • Gigabit Ethernet and USB Wi-Fi dongle provide wired and wireless connectivity

Dell OptiPlex 790 Mini Tower

This Dell OptiPlex 790 Mini Tower desktop computer runs on an Intel 2nd Gen i5-2400 quad-core processor at 3.10 GHz with 4 GB of DDR3 memory. It combines a 128 GB solid-state drive and a 2 TB hard drive for dual storage. Windows 10 Pro 64-bit is installed, and a USB keyboard is included.

Suits general office and home tasks.

The system handles web browsing, document editing and video playback using the integrated Intel HD Graphics 2000. Buyers who need more than 4 GB of memory for multitasking or who require a dedicated graphics card for 3D applications should look at a different configuration.

265 W power supply limits upgrades

The 265 W unit powers the current components but leaves little headroom for a discrete graphics card or additional drives. Verify that any planned expansion stays within this power budget before purchase.

Highlights

  • Quad-core i5-2400 handles multi-tasking smoothly
  • 128 GB SSD plus 2 TB HDD gives fast boot and large storage
  • 4 GB DDR3 memory supports everyday applications
  • Windows 10 Pro 64-bit pre-installed with licence
  • Gigabit Ethernet and USB Wi-Fi dongle provide wired and wireless 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
Memory4GB 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 Capacity4GB DDR3
Memory SpeedDDR3
Memory Spec1 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

5 more in the same range

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

Questions about this item

What is the 265 W power supply limit for sustained loads?

The 265 W PSU caps total system draw; sustained heavy CPU and GPU work will hit that ceiling before thermals do.

How loud and hot does the Mini Tower get when running all day?

The 265 W supply and integrated Intel HD Graphics 2000 keep heat modest; the single chassis fan stays at low RPM during typical office workloads.

Which display cables or adapters must I already own to connect a monitor?

The integrated graphics provide VGA and DisplayPort outputs; have the matching cable or an active adapter for HDMI or DVI monitors.

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