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Black and silver mini-tower desktop with DVD drive

DELL

DELL OptiPlex 790 Mini Tower i5-2400 3.10GHz 8GB DDR3 500GB HDD

SKU CH-4TY4-MWREG

A compact mini-tower desktop with a quad-core Intel i5-2400 at 3.10GHz, 8GB DDR3 memory, 500GB SATA hard drive, DVD±RW drive, WiFi USB adapter and Windows 10 Pro 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 8GB DDR3

  • Quad-core i5-2400 at 3.10 GHz for responsive multitasking
  • 8 GB DDR3 memory handles everyday workloads smoothly
  • 500 GB 3.5-inch SATA hard drive stores documents and media
  • 16X DVD±RW drive reads and writes optical discs
  • Windows 10 Pro 64-bit pre-installed with included restore media

DELL OptiPlex 790 Mini Tower

The DELL OptiPlex 790 Mini Tower is a desktop computer built for student and home office use. It runs on an Intel Core i5-2400 quad-core processor with a base clock of 3.10GHz and a turbo range up to 3.30GHz. The system includes 8GB of DDR3 memory across four DIMM slots and a 500GB 3.5-inch SATA hard drive. Windows 10 Pro 64-bit is pre-installed with a Certificate of Authenticity.

Thermals noise and power

The Mini Tower chassis provides standard airflow for the Intel Q67 chipset platform and the 64-bit quad-core CPU. Integrated Intel HD Graphics 2000 handles display output without a discrete graphics card, keeping power draw modest for typical office tasks. A 16X DVD±RW drive and a USB WiFi adapter are included, while Gigabit Ethernet provides wired connectivity. The bundled USB keyboard and mouse complete the package for immediate deployment.

Upgrade path and limits

Memory can be expanded to a maximum of 16GB DDR3 using the four 240-pin slots, though all slots are currently populated with 2GB modules. The 3.5-inch SATA drive bay allows storage upgrades to larger hard drives or SATA SSDs. Buyers who need more storage bays, dedicated graphics performance, or modern memory standards should consider a different platform. The Intel 2nd generation architecture limits compatibility with newer instruction sets and faster I/O interfaces.

Fordele

  • Quad-core i5-2400 at 3.10 GHz for responsive multitasking
  • 8 GB DDR3 memory handles everyday workloads smoothly
  • 500 GB 3.5-inch SATA hard drive stores documents and media
  • 16X DVD±RW drive reads and writes optical discs
  • Windows 10 Pro 64-bit pre-installed with included restore media

Specifikationer

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
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 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
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

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Spørgsmål om denne vare

How do I add more DDR3 memory when all four 240-pin DIMM slots are already occupied by the 2 GB modules?

You must remove at least one existing 2 GB stick before inserting a larger DDR3 module; the board has four slots total and supports up to 16 GB.

Which component will I likely need to replace first after several years of daily use?

The 3.5" 500 GB SATA hard drive has moving parts and typically fails before the solid-state components.

What thermal limit appears first when the Intel Core i5-2400 runs at 3.10 GHz under a sustained heavy workload?

The stock mini-tower cooler reaches its capacity, causing the CPU to throttle below its maximum turbo frequency.

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