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Black and silver Dell OptiPlex 790 mini tower desktop with DVD-RW drive and USB keyboard and mouse

DELL

DELL OptiPlex 790 Mini Tower i5-2400 3.10GHz 4GB DDR3 500GB HDD

SKU CH-ZPCX-S888D

A compact desktop with a quad-core i5-2400, 4 GB DDR3 memory, 500 GB SATA storage, DVD±RW drive, Wi-Fi USB adapter and Windows 10 Pro pre-installed

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel Quad-Core i5 (2.9GHz-3.30GHz)
  • Processor Main Features64 bit Quad-Core Processor

Memory Capacity 4GB DDR3

  • Quad-core i5-2400 at 3.10 GHz handles everyday multitasking
  • 4 GB DDR3 memory keeps common applications running smoothly
  • 500 GB 3.5" SATA hard drive stores documents and media
  • DVD±RW drive reads and writes optical discs
  • Windows 10 Pro 64-bit pre-installed with keyboard and mouse included

Ready-to-use office desktop

The DELL OptiPlex 790 Mini Tower arrives with Windows 10 Pro 64-bit pre-installed and includes a USB keyboard and mouse. An Intel 2nd Gen quad-core i5-2400 running at 3.10 GHz with four threads handles everyday office applications and web browsing. Integrated Intel HD Graphics 2000 drives a single display without a separate card. Gigabit Ethernet and a Wi-Fi USB adapter provide network connectivity out of the box.

Memory capacity and type

The system ships with 4 GB of DDR3 desktop RAM installed in a 240-pin DIMM slot. DDR3 is the only memory generation this platform accepts; other DDR types will not fit. The motherboard supports upgrades to 8 GB or 16 GB total if more headroom is needed for multitasking. Buyers who need more memory than 16 GB or a newer DDR generation should consider a different platform.

Simple internal access

The Mini Tower case opens with a tool-less side panel giving direct access to the 3.5-inch 500 GB SATA hard drive, the 16X DVD±RW drive and the memory slots. A Phillips screwdriver is only required for securing drive brackets. The proprietary front-panel header layout can make aftermarket power-switch or LED cables difficult to connect, so reuse the original cables when swapping the chassis.

Highlights

  • Quad-core i5-2400 at 3.10 GHz handles everyday multitasking
  • 4 GB DDR3 memory keeps common applications running smoothly
  • 500 GB 3.5" SATA hard drive stores documents and media
  • DVD±RW drive reads and writes optical discs
  • Windows 10 Pro 64-bit pre-installed with keyboard and mouse included

Specifications

BrandDELL
SeriesOptiPlex
Model790
Part Number790/990 Series
TypeStudent / Home Office
Form FactorDIMM 240-pin
UsageConsumer
ColorBlack/Silver
ProcessorIntel Quad-Core i5 (2.9GHz-3.30GHz)
Processor Main Features64 bit Quad-Core Processor
Memory4 GB DDR3 Desktop RAM
Storage500 GB 3.5" SATA Hard Drive
Optical Drive16X DVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
Wireless CardWiFi USB Adapter
CaseMini Tower
KeyboardUSB
MouseUSB
Operating SystemWindows 10 Pro
Software IncludedWindows 10 Pro Restore Media
ChipsetIntel Q67
CPU TypeIntel Core i5 2nd Gen
Installed Qty1
Max Supported Qty1
CPU Name3.10GHz
CPU Main Features64 bit Quad-Core 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
SSDNo
HDD500GB
HDD InterfaceSATA
Optical Drive TypeDVD±RW
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11 Wireless LAN
Front USB4
Front Audio Ports2
Video Ports1 VGA, 1 Display Port
Rear USB6
Rear IEEE 13941 port
RJ451x Headphone, 1x Microphone, 1x Line In
Keyboard TypeUSB Keyboard
Mouse TypeUSB Mouse
Dimensions (H x W x D)11.4 x 3.7 x 12.3
Weight15LBS

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Questions about this item

What real-world performance can I expect from the i5-2400 running at 3.10GHz in this desktop?

The quad-core processor reaches 3.40 GHz turbo boost, handling everyday multitasking, office applications and media playback smoothly with the installed 4 GB DDR3 RAM.

How does the Gigabit Ethernet port limit network throughput in practice?

The integrated Gigabit Ethernet caps wired speeds at 1 Gbps, which is the maximum this desktop can achieve on a local network or internet connection.

What physical space and connectors are required to add more DDR3 memory?

The mini tower case uses 240-pin DIMM slots; the board supports up to 16 GB total, so you can install additional DDR3 modules in the free slots.

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