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

DELL

DELL OptiPlex 390 desktop PC i3-2100 3.10GHz 8GB DDR3 1TB HDD

SKU CH-327B-H6TTN

A desktop computer with an Intel i3-2100 3.10GHz processor, 8GB DDR3 RAM, 1TB hard drive, DVD-RW, HDMI output, Windows 10 Home, keyboard and mouse included

  • Screen sizeNo Screen
  • ProcessorIntel Core i3 2nd Gen
  • Memory size8 GB DDR3 RAM
  • Storage drive3.5 in 1 TB Hard Drive
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel H61 Express Chipset
  • Dual-core i3-2100 at 3.10GHz handles everyday multitasking
  • 8GB DDR3 memory keeps multiple programs responsive
  • 1TB 3.5" hard drive stores large media libraries
  • Windows 10 Home 64-bit pre-installed for immediate use
  • VGA and HDMI outputs connect two displays simultaneously

Desktop PC for home and student use

The Dell OptiPlex 390 is a desktop computer built for everyday home and student tasks. It runs on an Intel 2nd Gen i3-2100 processor at 3.10GHz with 8 GB of DDR3 RAM. A 3.5" 1 TB hard drive stores the operating system and files. Windows 10 Home 64-Bit comes pre-installed.

Sustained load behaviour

The dual-core processor and integrated Intel HD Graphics 2000 handle light multitasking such as document editing and web browsing. Under heavier continuous loads the system will slow as the mechanical drive and limited memory bandwidth become bottlenecks. The compact desktop chassis relies on passive airflow, so extended high utilisation may cause thermal throttling.

Installation and common issues

The unit arrives with a USB keyboard and mouse so setup only requires a display and power. VGA and HDMI video outputs are available for monitor connection. The 240-pin DDR3 slots allow memory upgrades if needed. Buyers who need faster boot times or quieter operation should note the spinning hard drive and lack of solid-state storage.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $119.99
Cheaper than about 95% of the 14,711 comparable items (median $494.99).
Memory size 8 GB DDR3 RAM
Lower than about 80% of the 5,840 comparable items (median 16 GB).
RAM capacity 8 GB DDR3
Lower than about 80% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name390
Part number390
Product typeStudent / Home Office
Recommended useConsumer
Product colorBlack/Silver
Processor
ProcessorIntel Core i3 2nd Gen
CPUIntel 2nd Gen i3-2100 3.1 GHz
CPU modelIntel Core i3-2100
ChipsetIntel H61 Express Chipset
Memory
Memory size8 GB DDR3 RAM
RAM capacity8 GB DDR3
RAM type and speedDDR3
Memory configuration4 GB x 2
Total memory slots2
Free memory slots0
Memory slots0/2
Max supported RAM8 GB
Storage
Storage drive3.5 in 1 TB Hard Drive
SSD storageNo
Hard drive1 TB
Storage configuration3.5 in 1 TB Hard Drive
Disc drive16X DVD±RW Drive
Drive interfaceSATA
Optical driveDVD±RW
Display
Screen sizeNo Screen
Graphics
GraphicsIntel HD Graphics 2000
GPUIntel HD Graphics 2000
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Audio chipIntegrated
Speaker setupInternal Speaker
Connectivity
Wired networkGigabit Ethernet
Ethernet controllerIntegrated
Wi-FiIEEE 802.11n
Ports & slots
Front USB ports2
Front audio jacks2
PS/2 ports2
Video connectors1 VGA, 1 HDMI
Rear USB ports6
Ethernet port1 port
Rear audio jacks1x Headphone, 1x Microphone, 1x Line In
Size & build
Form factorDIMM 240-pin
ChassisDesktop
Overall dimensions14.2 × 4.0 × 16.1
In the box
Included monitorNot included
Bundled mouseUSB Mouse
Pointing deviceUSB Mouse
Software
Operating systemWindows 10 Home 🙋‍♀️Microsoft Windows 11 Pro Upgrade
‍👉Check ABS/Helix computers with Windows 11
Pre-installed softwareWindows 10 Home Restore Media 🙋‍♀️Microsoft Windows 11 Pro Upgrade
‍👉Check ABS/Helix computers with Windows 11
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Questions about this item

How much heat and noise should I expect from the Intel Core i3-2100 running all day?

The dual-core 3.10 GHz processor and integrated Intel HD Graphics 2000 draw modest power, so the system fan stays quiet during typical office tasks and the chassis remains cool to the touch.

Do I need to supply my own display and cables to use the VGA and HDMI outputs?

No monitor is included; you will need a display with a VGA or HDMI input and the matching cable to connect to either video port on the back panel.

Will my existing DDR3 memory modules work if I want to expand beyond the installed 8 GB?

The board uses 240-pin DDR3 DIMM slots, so any compatible DDR3 modules you already own can be added up to the motherboard's maximum capacity.

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