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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 3.10GHz 16GB DDR3 256GB SSD + 2TB HDD desktop PC

SKU CH-3XE5-5DP4B

Business desktop with Intel Core i5-2400, 16 GB DDR3, 256 GB SSD plus 2 TB HDD and Windows 10 Pro

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i5-2400
  • Processor Main Features64 bit Processor
  • Quad-core i5-2400 at 3.10 GHz handles everyday multitasking
  • 16 GB DDR3 memory keeps multiple apps responsive
  • 256 GB SSD plus 2 TB hard drive gives fast boot and ample storage
  • Gigabit Ethernet provides reliable wired network speeds
  • Windows 10 Professional 64-bit pre-installed for immediate use

Ready for office and study

The Dell OptiPlex 990 Mini Tower is a desktop computer built for student and home-office workloads. It ships with a 64-bit Intel 2nd Gen i5-2400 processor running at 3.10 GHz with a 3.4 GHz turbo boost. Sixteen GB of DDR3 memory and a dual-drive layout of 256 GB solid-state storage plus 2 TB hard-drive capacity come pre-installed. Windows 10 Professional 64-bit, a USB keyboard and a USB mouse are included in the box.

Replaces older desktops

This system upgrades machines that still rely on smaller hard drives or less than 16 GB of RAM. The jump is worth it when daily tasks such as web browsing, document editing and media playback feel sluggish or when storage runs low. The 256 GB SSD accelerates boot and application launch while the 2 TB hard drive holds large file libraries. Integrated Intel HD Graphics 2000 and a 265 W power supply limit the machine to light graphical workloads.

Fits a standard mini-tower chassis

The motherboard uses 240-pin DIMM slots for DDR3 memory and provides 2.5-inch and 3.5-inch drive bays for the included SSD and hard drive. A 16X DVD±RW drive occupies the optical bay. Gigabit Ethernet handles wired networking. The 265 W power supply and integrated graphics mean no discrete GPU is supported. Buyers who need more storage bays, higher graphics performance or a different memory generation should look elsewhere.

Highlights

  • Quad-core i5-2400 at 3.10 GHz handles everyday multitasking
  • 16 GB DDR3 memory keeps multiple apps responsive
  • 256 GB SSD plus 2 TB hard drive gives fast boot and ample storage
  • Gigabit Ethernet provides reliable wired network speeds
  • 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" 256 GB Solid State + 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
SSD256GB
HDD2TB
HDD InterfaceSATA
Storage Spec2.5" 256 GB Solid State + 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

Will a standard 240-pin DDR3 module fit the memory slots on this OptiPlex 990?

Yes, the system uses 240-pin DDR3 DIMM slots and ships with 16 GB already installed.

What is the correct order for installing Windows 10 Professional 64-Bit on the 256 GB SSD when a 2 TB hard drive is also present?

Boot the installer, select the 256 GB solid-state drive as the destination, and let setup create its own partitions; the 2 TB drive will appear as a second volume after first log-in.

Can the 265 W power supply support a graphics card upgrade later, or must it be replaced?

The 265 W unit only powers the integrated Intel HD Graphics 2000; adding a discrete card will require a higher-wattage supply that fits the mini-tower chassis.

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