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

DELL

DELL OptiPlex 990 Mini Tower i7-2600 3.40GHz 16GB DDR3 512GB SSD 2TB HDD desktop PC

SKU CH-A0MR-4G12Q

Mini-tower desktop with Intel Core i7-2600 quad-core processor, 16 GB DDR3 RAM, 512 GB SSD plus 2 TB HDD, DVD-RW drive and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 2nd Gen
  • Memory size16 GB DDR3 Desktop RAM
  • Storage drive2.5 in 512 GB Solid State (SSD) + 3.5 in 2 TB Hard Drive
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel Q67

HDD 2TB

  • Quad-core i7-2600 at 3.40 GHz handles multi-tasking smoothly
  • 16 GB DDR3 memory keeps multiple applications responsive
  • 512 GB SSD plus 2 TB hard drive gives fast boot and ample storage
  • Windows 10 Pro 64-bit pre-installed for immediate productivity
  • USB keyboard and mouse included so you can start straight away

Dell OptiPlex 990 Mini Tower desktop

This Dell OptiPlex 990 Mini Tower desktop computer is built for everyday office and home tasks. It runs on an Intel 2nd Gen i7-2600 processor at 3.40GHz with 16GB of DDR3 RAM. Windows 10 Professional 64-Bit comes pre-installed for immediate use.

Included keyboard mouse and dual storage

A USB keyboard and USB mouse are bundled so the system is ready to work out of the box. The 512GB SSD provides fast boot and application loading while the 2TB hard drive adds large capacity for files. A 16X DVD±RW drive handles optical media.

265W power supply limits upgrades

The 265W power supply supports the installed components but restricts the addition of high-power graphics cards or extra drives. Buyers who need a dedicated GPU or more internal peripherals should choose a system with a higher-rated PSU.

How it compares

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

Price $550.99
Typical for this category: the median of 14,711 items is $494.99.
Memory size 16 GB DDR3 Desktop RAM
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR3
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name990
Part number990
Product typeStudent / Home Office
Recommended useConsumer
Product colorBlack/Silver
Processor
ProcessorIntel Core i7 2nd Gen
CPUIntel 2nd Gen i7-2600
CPU model3.4 GHz
CPU socketLGA 1155
ChipsetIntel Q67
Memory
Memory size16 GB DDR3 Desktop RAM
RAM capacity16 GB DDR3
RAM type and speedDDR3
Memory configuration4 GB x 4
Total memory slots4
Free memory slots0
Memory slots0/4
Max supported RAM16 GB
Storage
Storage drive2.5 in 512 GB Solid State (SSD) + 3.5 in 2 TB Hard Drive
SSD storage512 GB
Hard drive2 TB
Storage configuration2.5 in 512 GB Solid State (SSD) + 3.5 in 2 TB Hard Drive
Disc drive16X DVD±RW Drive
Drive interfaceSATA
Optical driveDVD-R/RW
Display
Screen sizeNo Screen
Graphics
GraphicsIntel HD Graphics 2000
GPUIntel HD Graphics 2000
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Audio chipIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Ethernet controllerIntegrated
Bluetooth supportYes
Ports & slots
Front USB ports4
PS/2 ports2
Video connectors1 VGA, 2 Display Ports
Rear USB ports6
Ethernet port1 port
Rear audio jacks1x Headphone, 1x Microphone, 1x Line In
Power
Power supply265 W
Size & build
Form factorDIMM 240-pin
Overall dimensions14.2 × 6.9 × 16.4
Product weight19.55 lb (8.87 kg)
In the box
Bundled mouseUSB Mouse
Pointing deviceUSB Mouse
Software
Operating systemWindows 10 Pro
Pre-installed softwareWindows 10 Pro Restore Media
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Other versions of this model

5 more in the same range

Questions about this item

When will the DDR3 memory need to be upgraded or replaced?

The system comes with 16 GB DDR3 installed across 240-pin DIMM slots; upgrade only if workloads exceed that capacity.

What limits sustained performance first during long sessions?

The 265 W power supply caps total draw, so the i7-2600 will throttle before thermals become the bottleneck.

How loud and hot does the mini tower get when running all day?

With a 265 W supply and integrated Intel HD Graphics 2000, heat output stays modest and the stock cooler runs quietly under typical office loads.

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