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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 128GB SSD Windows 10 Pro

SKU CH-SBD0-VWR9N

Mini tower desktop with a quad-core Intel i5-2400 at 3.10GHz, 8GB DDR3, 128GB SSD, DVD±RW and Windows 10 Pro

  • 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 Intel i5-2400 at 3.10 GHz handles everyday tasks
  • 8 GB DDR3 memory supports smooth multitasking
  • 128 GB 2.5" SSD speeds up boot and load times
  • Windows 10 Pro 64-bit pre-installed with restore media
  • Gigabit Ethernet plus WiFi USB adapter for flexible connectivity

Dell OptiPlex 790 Mini Tower for Home Office

The Dell OptiPlex 790 Mini Tower is a desktop computer built for student and home office use. It runs on an Intel Quad-Core i5-2400 processor operating between 2.9GHz and 3.30GHz with 64-bit architecture. The system includes 8GB of DDR3 RAM across four occupied DIMM slots and a 128GB 2.5-inch SSD for storage. Windows 10 Pro 64-bit is pre-installed with a Certificate of Authenticity.

Thermals Noise and Power in Normal Use

Integrated Intel HD Graphics 2000 handles video output without a discrete graphics card, which helps keep power draw and heat modest during typical productivity tasks. The Mini Tower case provides standard airflow for the included components. A DVD±RW drive and integrated sound card are also fitted. Gigabit Ethernet and a WiFi USB adapter supply wired and wireless network connectivity.

Upgrading from Older Desktops or Limited Storage

This configuration replaces an older hard-drive-based PC where the jump to a 128GB SSD makes boot and application launch noticeably faster. The four memory slots are fully populated at 8GB, so adding more DDR3 requires removing existing modules; the board supports up to 16GB total. Buyers who want more storage or a dedicated graphics card for modern gaming will need a different platform.

Points forts

  • Quad-core Intel i5-2400 at 3.10 GHz handles everyday tasks
  • 8 GB DDR3 memory supports smooth multitasking
  • 128 GB 2.5" SSD speeds up boot and load times
  • Windows 10 Pro 64-bit pre-installed with restore media
  • Gigabit Ethernet plus WiFi USB adapter for flexible connectivity

Caractéristiques

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
Storage128 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
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 sur cet article

How do I install extra memory in the OptiPlex 790, and what step do people often miss?

Open the Mini Tower case, release the clips on all four 240-pin DIMM slots, align the notch on each DDR3 module, and press firmly until both clips snap shut; the step many miss is removing every existing 2 GB stick first because all four slots are already populated.

Which components in this OptiPlex 790 are most likely to need replacement after a few years?

The 128 GB 2.5" SSD and the DVD±RW optical drive are the main wear items; the DDR3 memory and Intel Q67 motherboard have no moving parts, while the included WiFi USB adapter can be swapped easily if the wireless signal degrades.

What is the first limit reached when the i5-2400 runs at full load for a long period?

The CPU tops out at 3.30 GHz with four cores and the integrated Intel HD Graphics 2000 shares system memory, so sustained heavy compute or video tasks hit the processor's maximum frequency and shared graphics memory ceiling before any other bottleneck appears.

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