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Black and silver Dell OptiPlex 990 mini tower desktop with keyboard and mouse

DELL

DELL OptiPlex 990 Mini Tower i5-2400 16 GB DDR3 512 GB SSD 2 TB HDD

SKU CH-92A4-Q2RM2

A desktop computer with a quad-core Intel i5-2400 processor, 16 GB DDR3 memory, 512 GB SSD and 2 TB hard drive, DVD-RW drive, Windows 10 Professional, keyboard and mouse included

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i5-2400
  • Processor Main Features64 bit Processor
  • Quad-core i5-2400 handles multitasking smoothly
  • 16 GB DDR3 RAM supports demanding workloads
  • 512 GB SSD + 2 TB HDD combines speed with capacity
  • Gigabit Ethernet delivers reliable wired connectivity
  • Windows 10 Professional 64-Bit pre-installed for immediate use

Ready-to-Use Business Desktop

The Dell OptiPlex 990 Mini Tower arrives with Windows 10 Professional 64-Bit installed, an Intel Core i5-2400 quad-core processor running at 3.10 GHz with 3.4 GHz turbo, 16 GB of DDR3 memory, a 512 GB SSD and a 2 TB hard drive. A DVD-RW drive, USB keyboard and mouse are included so the system is operational immediately.

Ideal for Office Tasks, Not for Modern Gaming

This configuration suits students, home offices and general business users who need reliable productivity performance and large local storage. Buyers who require dedicated graphics acceleration, newer processor architectures or faster memory standards should consider a different platform.

Fits Standard Mini-Tower Builds

The 265 W power supply supports the installed components and leaves limited headroom for high-power add-in cards. Two drive bays are occupied by the 2.5" SSD and 3.5" HDD, while the optical bay holds the DVD-RW. Expansion slots accept low-profile cards that stay within the chassis power budget.

Highlights

  • Quad-core i5-2400 handles multitasking smoothly
  • 16 GB DDR3 RAM supports demanding workloads
  • 512 GB SSD + 2 TB HDD combines speed with capacity
  • Gigabit Ethernet delivers reliable wired connectivity
  • Windows 10 Professional 64-Bit pre-installed for immediate use

Specifications

BrandDELL
SeriesOptiPlex
Model990
Part Number990
TypeStudent / Home Office
Form FactorDIMM 240-pin
UsageConsumer
ColorBlack/Silver
ProcessorIntel 2nd Gen i5-2400
Processor Main Features64 bit Processor
Memory16 GB DDR3 Desktop RAM
Storage2.5" 512 GB Solid State (SSD) + 3.5" 2 TB Hard Drive
Optical Drive16X DVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
Power Supply265W
MonitorMonitor not included
KeyboardUSB Keyboard
MouseUSB Mouse
Operating SystemWindows 10 Pro
Software IncludedWindows 10 Pro Restore Media
ChipsetIntel Q67
CPU TypeIntel Core i5 2nd Gen
Installed Qty1
Max Supported Qty1
CPU Name3.10GHz
CPU Socket TypeLGA 1155
CPU Main Features64 bit Processor
GPU/VGA TypeIntel HD Graphics 2000
Graphics InterfaceIntegrated video
Memory Capacity16GB DDR3
Memory SpeedDDR3
Memory Spec4 GB x 4
Memory Slot (Total)4
Memory Slot (Available)0
Memory Slots (Available/Total)0/4
Maximum Memory Supported16 GB
SSD512GB
HDD2TB
HDD InterfaceSATA
Storage Spec2.5" 512 GB Solid State (SSD) + 3.5" 2 TB Hard Drive
Optical Drive TypeDVD-R/RW
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
BluetoothYes
Front USB4
PS/22
Video Ports1 VGA, 2 Display Ports
Rear USB6
RJ451 port
Rear Audio Ports1x Headphone, 1x Microphone, 1x Line In
Keyboard TypeUSB Keyboard
Mouse TypeUSB Mouse
Dimensions (H x W x D)14.2 x 6.9 x 16.4
Weight19.55Lbs

Questions about this item

Does the OptiPlex 990 Mini Tower include a monitor, or do I need to supply my own display?

The system ships without a monitor, so you must provide your own display with a compatible video input.

Can I keep using my existing DDR3 memory modules alongside the 16 GB already installed?

The board uses 240-pin DDR3 DIMM slots; any additional modules must match that DDR3 specification to work.

How can I verify the 512 GB SSD and 2 TB HDD are both recognised after first boot?

Open File Explorer or Disk Management in Windows 10 Professional 64-Bit and confirm both drives appear with their full capacities.

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