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Black and silver Dell OptiPlex 990 mini tower desktop with DVD-RW drive

DELL

DELL OptiPlex 990 Mini Tower i7-2600 8 GB DDR3 512 GB SSD 2 TB HDD Windows 10 Pro

SKU CH-CBDP-AVD84

A business mini-tower with a quad-core 3.40 GHz processor, 8 GB DDR3 memory, 512 GB SSD plus 2 TB hard drive, DVD-RW, Gigabit Ethernet and Windows 10 Pro, bundled with keyboard and mouse

  • 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

SSD 512GB

HDD 2TB

  • Quad-core 3.40 GHz i7-2600 handles multi-tasking smoothly
  • 512 GB SSD plus 2 TB HDD gives fast boot and vast storage
  • 8 GB DDR3 memory supports everyday workloads
  • Windows 10 Pro 64-bit pre-installed for immediate use
  • USB keyboard and mouse included so you can start straight away

Ready for everyday computing

The Dell OptiPlex 990 Mini Tower is a desktop computer built for student and home-office use. It runs on an Intel Core i7-2600 quad-core processor at 3.40 GHz with a turbo boost up to 3.80 GHz. The system includes 8 GB of DDR3 memory, a 512 GB solid-state drive plus a 2 TB hard drive, and a 16X DVD±RW drive. Windows 10 Pro 64-bit comes pre-installed with a USB keyboard and mouse included.

Dual-drive upgrade path

This configuration replaces a single mechanical drive with a 512 GB SSD for the operating system and a 2 TB HDD for bulk storage. The jump is worthwhile when faster boot and application launch times matter alongside large local archives. Integrated Intel HD Graphics 2000 handles basic display output only, so the system is not suited for modern gaming or GPU-accelerated creative workloads. Memory can be expanded to 16 GB of DDR3 if the workload demands more headroom.

Steady office performance

The 265 W power supply supports the processor at its rated speeds during typical multi-tasking sessions such as document editing, web browsing and video playback. Sustained loads stay within the thermal limits of the mini-tower chassis without throttling. Gigabit Ethernet provides a stable wired network connection for cloud sync and large file transfers. The platform is not designed for continuous heavy compute or render tasks that would exceed the cooling and power envelope.

How it compares

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

Price $579.99
Pricier than about 56% 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 storage512 GB
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

Will the 265W power supply and mini-tower chassis accept a full-height graphics card?

The 265W unit and mini-tower case limit you to low-profile cards that draw no more than the slot provides; a full-height card will not fit and would exceed the power budget.

Which screw or latch secures the side panel so I can reach the two DDR3 DIMM slots?

A single thumbscrew at the rear releases the side panel; once open the two 240-pin DDR3 slots are visible — press the module straight down until both clips click.

When should I plan to replace the 512 GB SSD and 2 TB hard drive?

SSDs typically last several years of daily writes; the mechanical 2 TB drive is the first part likely to fail — keep backups and expect to swap it after three to five years of heavy use.

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