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Black and silver Dell OptiPlex 390 desktop tower with DVD-RW drive

DELL

DELL OptiPlex 390 desktop PC i5-2400 3.10GHz 8GB DDR3 500GB HDD

SKU CH-Q57X-B71YK

A desktop computer with a quad-core 3.10 GHz processor, 8 GB DDR3 RAM, 500 GB hard drive, DVD-RW drive, HDMI output, Windows 10 Pro 64-bit, keyboard and mouse included

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i5-2400 3.10GHz
  • Processor Main Features64 bit Quad-Core Processor
  • Quad-core i5-2400 at 3.10GHz handles everyday multitasking
  • 8 GB DDR3 RAM keeps multiple apps responsive
  • 500 GB hard drive stores documents and media
  • VGA and HDMI outputs connect two displays
  • Windows 10 Pro 64-bit pre-installed for immediate use

Dell OptiPlex 390 desktop with i5-2400

This Dell OptiPlex 390 desktop computer ships new with an Intel Core i5-2400 quad-core processor at 3.10 GHz, 8 GB of DDR3 memory and a 500 GB 3.5-inch hard drive. Windows 10 Pro 64-bit is pre-installed alongside a 16X DVD±RW drive. Integrated Intel HD Graphics 2000 provides VGA and HDMI video outputs. Gigabit Ethernet, a USB keyboard and a USB mouse are included.

Ideal for office tasks, not for heavy workloads

The system suits students and home-office users who need a ready-to-run PC for documents, web browsing and light multitasking. Buyers who require more memory capacity, faster storage or a discrete graphics card for demanding applications should consider a different configuration. The compact desktop case limits internal expansion compared with larger tower formats.

8 GB DDR3 memory installed

The platform uses DDR3 DIMM modules in a 240-pin form factor. Verify that any memory upgrade matches this exact generation and pin count, as other DDR types are physically and electrically incompatible. The four-slot layout supports additional modules within the chipset's maximum capacity.

Highlights

  • Quad-core i5-2400 at 3.10GHz handles everyday multitasking
  • 8 GB DDR3 RAM keeps multiple apps responsive
  • 500 GB hard drive stores documents and media
  • VGA and HDMI outputs connect two displays
  • Windows 10 Pro 64-bit pre-installed for immediate use

Specifications

BrandDELL
SeriesOptiPlex
Model390
Part Number390
TypeStudent / Home Office
Form FactorDIMM 240-pin
UsageConsumer
ColorBlack/Silver
ProcessorIntel 2nd Gen i5-2400 3.10GHz
Processor Main Features64 bit Quad-Core Processor
Memory8 GB DDR3 RAM
Storage3.5" 500 GB Hard Drive
Optical Drive16X DVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
MonitorMonitor not included
CaseDesktop
KeyboardUSB Keyboard
MouseUSB Mouse
Software IncludedWindows 10 Home Restore Media 🙋‍♀️Microsoft Windows 11 Pro Upgrade
‍👉Check ABS/Helix computers with Windows 11
ChipsetIntel H61 Express Chipset
CPU TypeIntel Core i5 2nd Gen
Max Supported Qty1
CPU NameIntel Core i5-2400
GPU/VGA TypeIntel HD Graphics 2000
Graphics InterfaceIntegrated video
Memory Capacity8GB DDR3
Memory SpeedDDR3
Memory Spec4 GB x 2
Memory Slot (Total)2
Memory Slot (Available)0
Memory Slots (Available/Total)0/2
Maximum Memory Supported8 GB
HDD500GB
HDD InterfaceSATA
Storage Spec3.5" 500 GB Hard Drive
Optical Drive TypeDVD±RW
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
WLANIEEE 802.11n
Front USB2
Front Audio Ports2
PS/22
Video Ports1 VGA, 1 HDMI
Rear USB6
RJ451 port
Rear Audio Ports1x Headphone, 1x Microphone, 1x Line In
Keyboard TypeUSB Keyboard
Mouse TypeUSB Mouse
Speaker ConfigurationInternal Speaker
Dimensions (H x W x D)14.2 x 4.0 x 16.1
Weight17

Questions about this item

How do I install more DDR3 memory in the OptiPlex 390 and which step is often missed?

Open the case, insert modules into the 240-pin DIMM slots until the retention clips click, then update the BIOS so the full 8 GB is recognised at the correct speed.

Which component in this OptiPlex 390 is most likely to need replacement first?

The 3.5-inch 500 GB hard drive has moving parts and will typically wear out before the solid-state components or the 16X DVD±RW drive.

What limit appears first when the i5-2400 runs at 3.10 GHz under sustained load?

The Intel HD Graphics 2000 integrated GPU becomes the bottleneck for video playback or light 3D work long before the quad-core processor reaches its thermal ceiling.

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