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Black and silver Dell OptiPlex 790 mini tower desktop with DVD drive

DELL

Dell OptiPlex 790 Mini Tower i5-2400 3.10GHz 8GB DDR3 256GB SSD DVDRW WiFi

SKU CH-34ZK-738MT

Business desktop with Intel Core i5-2400 quad-core processor, 8 GB DDR3 memory, 256 GB SSD, DVD±RW drive and USB WiFi adapter

  • 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 8GB DDR3

  • Quad-core i5-2400 handles everyday tasks smoothly
  • 256 GB SSD boots Windows 10 Pro in seconds
  • 8 GB DDR3 memory keeps multiple apps responsive
  • Built-in Wi-Fi USB adapter connects without cables
  • DVD±RW drive reads and writes discs for legacy media

Dell OptiPlex 790 Mini Tower desktop

This Dell OptiPlex 790 Mini Tower desktop arrives as a complete system with Windows 10 Pro installed. It uses an Intel Core i5-2400 quad-core processor running at 3.10GHz with 8GB of DDR3 memory. A 256GB solid-state drive and a DVD±RW drive handle storage and optical media. Integrated Intel HD Graphics 2000 drives the display output.

DDR3 memory ceiling and integrated graphics

The motherboard provides four DIMM slots, all of which are occupied by the installed 8GB configuration. Maximum supported memory is 16GB, so any upgrade requires replacing existing modules rather than adding to them. Graphics rely on the processor's integrated Intel HD Graphics 2000 engine, which shares system memory and offers only basic display capability. No internal expansion slot for a discrete graphics card is described in the specifications.

Replaces older hard-drive office PCs

This system replaces desktop computers that still use mechanical hard drives, delivering faster boot and application load times through its solid-state drive. The jump is worthwhile for users who need a responsive Windows 10 environment for web browsing, document work and legacy business applications. Buyers who want more storage capacity, discrete graphics performance or memory beyond 16GB should consider a different platform.

Highlights

  • Quad-core i5-2400 handles everyday tasks smoothly
  • 256 GB SSD boots Windows 10 Pro in seconds
  • 8 GB DDR3 memory keeps multiple apps responsive
  • Built-in Wi-Fi USB adapter connects without cables
  • DVD±RW drive reads and writes discs for legacy media

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
Memory8 GB DDR3 Desktop RAM
Storage256 GB 2.5" Solid State Hard Drive ( SSD)
Optical DriveDVD±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 Main Features64 bit Quad-Core 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
SSD256GB
HDDNo
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
Weight12 Lbs.

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Questions about this item

Should I pick the 8 GB DDR3 configuration or upgrade to 16 GB for this OptiPlex 790?

The system ships with 8 GB DDR3 installed across four slots, leaving no free slots; reaching 16 GB requires replacing all modules with a 4 x 4 GB kit.

How does the i5-2400 at 3.10 GHz perform in everyday office tasks once installed?

The quad-core 2nd Gen processor runs at 3.10 GHz with a turbo range up to 3.30 GHz, handling web browsing, document editing and light multitasking smoothly.

What does the integrated Intel HD Graphics 2000 limit me to for display output?

The integrated GPU drives the onboard video ports; it supports basic desktop work and video playback but is not suited for gaming or GPU-accelerated creative workloads.

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