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Black and silver mini tower desktop with DVD-RW drive

DELL

DELL OptiPlex 990 Mini Tower i7-2600 8 GB DDR3 1 TB SSD 2 TB HDD DVD-RW Win 10 Pro

SKU CH-ESYB-YST0Q

A business desktop with a 3.40 GHz quad-core processor, 8 GB DDR3 memory, 1 TB SSD plus 2 TB hard drive, DVD-RW drive and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 2nd Gen
  • Memory size8 GB DDR3
  • Storage drive2.5 512 GB Solid State (SSD) + 2 TB (2,000 GB) Hard Drive
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel Q67
  • Quad-core i7-2600 at 3.40 GHz handles multitasking smoothly
  • 8 GB DDR3 memory supports everyday workloads
  • 1 TB SSD plus 2 TB HDD gives fast boot and ample storage
  • DVD-RW drive reads and writes optical media
  • Windows 10 Pro 64-bit pre-installed for immediate use

Dell OptiPlex 990 Mini Tower for Home Office

This desktop computer uses an Intel Core i7-2600 processor with four cores running at 3.40 GHz and reaching 3.80 GHz turbo. It includes 8 GB of DDR3 memory and a 64-bit Windows 10 Pro operating system. The mini tower form factor suits a home office or student environment needing a traditional desktop layout.

Included USB keyboard

A wired USB keyboard and USB mouse are supplied in the box so the system is ready to use immediately. The 16X DVD±RW drive reads and writes CDs and DVDs for software installation or media playback. Windows 10 Pro comes pre-installed, removing the need for a separate operating system setup.

Dual-drive storage with 265 W power supply

Storage combines a 2.5-inch 512 GB solid-state drive with a 2 TB mechanical hard drive for fast boot and large capacity. The integrated Gigabit Ethernet port provides wired network connectivity. A 265 W power supply supports the installed components and the mini tower chassis offers internal expansion space for future upgrades.

How it compares

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

Price $647.99
Pricier than about 60% of the 14,711 comparable items (median $494.99).
Memory size 8 GB DDR3
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 name990
Part number990
Product typeStudent / Home Office
Recommended useConsumer
Product colorBlack/Silver
Processor
ProcessorIntel Core i7 2nd Gen
CPU model3.4 GHz
CPU socketLGA 1155
ChipsetIntel Q67
Memory
Memory size8 GB DDR3
RAM capacity8 GB DDR3
RAM type and speedDDR3
Memory configuration2 GB x 4
Total memory slots4
Free memory slots0
Memory slots0/4
Max supported RAM16 GB
Storage
Storage drive2.5 512 GB Solid State (SSD) + 2 TB (2,000 GB) Hard Drive
SSD storage1 TB
Hard drive2 TB
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, 1 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
Included monitorNO
Bundled mouseUSB Mouse
Pointing deviceUSB Mouse
Software
Operating systemWindows 10 Pro
Pre-installed softwareWindows 10 Pro Instaled
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Other versions of this model

5 more in the same range

Questions about this item

What DDR3 memory does the OptiPlex 990 Mini Tower accept for future upgrades?

The system uses 240-pin DDR3 DIMMs and currently has 8 GB installed. The manufacturer highlights indicate a maximum of 16 GB is supported.

Which component reaches its limit first when the Intel Core i7-2600 runs at 3.80 GHz Turbo Boost for long periods?

The 265 W power supply is the first constraint. Sustained Turbo Boost on the quad-core processor draws more power than light loads, leaving less headroom for drives and expansion cards.

How loud and hot does the Mini Tower get when the 265 W supply, 1 TB SSD, 2 TB hard drive and DVD-RW run all day?

With a modest 265 W supply and integrated Intel HD Graphics 2000, heat output stays low. The single system fan typically runs at a quiet, steady speed during continuous office workloads.

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