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Compact black and silver desktop tower with DVD slot and USB keyboard

DELL

DELL OptiPlex 990 USFF desktop PC Intel Quad-Core i5 4GB DDR3 256GB SSD

SKU CH-0EH9-MN8DY

Ultra-small form-factor desktop with Intel quad-core i5, 4 GB DDR3, 256 GB SSD, DVD±RW, Wi-Fi and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i5 2nd Gen
  • Memory size4 GB DDR3 Desktop RAM
  • Storage drive256 GB 2.5 in Solid State Hard Drive ( SSD)
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel Q67
  • Ready for office work with Intel quad-core i5 up to 3.30 GHz
  • Fast boot and load times from 256 GB solid-state drive
  • Ultra-small form factor fits tight desk spaces
  • Windows 10 Professional 64-bit pre-installed with licence
  • DVD±RW drive reads and writes optical media

Compact USFF desktop for office tasks

The Dell OptiPlex 990 USFF packs a 2.9 GHz to 3.30 GHz Intel Quad-Core i5 processor, 4 GB DDR3 RAM and a 256 GB 2.5" SSD into an ultra-small chassis. Windows 10 Pro 64-bit is pre-installed with a Certificate of Authenticity. Integrated Intel HD Graphics 2000 drives basic display output. A 16X DVD±RW drive, Gigabit Ethernet and a USB WiFi adapter handle media and connectivity.

Suits light productivity and legacy software

This system fits users who need a space-saving Windows 10 machine for document editing, web browsing or older business applications. The 4 GB memory and integrated graphics limit multitasking and rule out modern gaming, video editing or CAD work. Buyers who want more storage, additional RAM slots or a discrete graphics card should look at larger form factors.

Simple plug-in setup with limited expandability

Connect the included USB keyboard and mouse, add a monitor via the video port and power on. The USFF case restricts internal upgrades; only low-profile cards fit and the 240-pin DDR3 slots may already be populated. The external USB WiFi adapter can block adjacent ports on tight desks. Driver installation for the Q77 chipset and HD 2500 graphics may be required after a clean OS reload.

How it compares

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

Price $101.99
Cheaper than about 96% of the 14,711 comparable items (median $494.99).
Memory size 4 GB DDR3 Desktop RAM
Lower than about 97% of the 5,840 comparable items (median 16 GB).
RAM capacity 4 GB DDR3
Lower than about 95% 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 i5 2nd Gen
CPUIntel Quad-Core i5 (2.9 GHz-3.3 GHz)
ChipsetIntel Q67
Memory
Memory size4 GB DDR3 Desktop RAM
RAM capacity4 GB DDR3
RAM type and speedDDR3
Memory configuration2 GB x 2
Total memory slots2
Free memory slots0
Memory slots0/2
Max supported RAM16 GB
Storage
Storage drive256 GB 2.5 in Solid State Hard Drive ( SSD)
SSD storage256 GB
Hard driveNo
Disc drive16X DVD±RW Drive
Drive interfaceSATA
Optical driveDVD±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
Wireless adapterWiFi USB Adapter
Ethernet controllerIntegrated
Wi-Fi802.11a/b/g/n Wireless LAN
Ports & slots
Front USB ports2
Front audio jacks2
Video connectors1 VGA, 1 Display Port
Rear USB ports5
Ethernet port1 port
Rear audio jacks1x Headphone, 1x Microphone, 1x Line In
Size & build
Form factorDIMM 240-pin
ChassisUltra Small Form Facto (USFF)
Overall dimensions9.3 × 2.6 × 9.4
In the box
Included monitorNot included
Bundled mouseUSB
Pointing deviceUSB Mouse
Software
Operating systemWindows 10 Pro
Pre-installed softwareWindows 10 Pro Restore Media
More details
KeyboardUSB
Keyboard typeUSB Keyboard

Questions about this item

What monitor connection do I need on my display for the Intel HD Graphics 2500 output?

The integrated Intel HD Graphics 2500 provides standard video outputs; match your monitor cable to the available port on the rear panel.

Will my existing DDR3 memory modules work alongside the installed 4 GB?

The system uses 240-pin DDR3 DIMM slots; any compatible DDR3 module of the same voltage and speed can be added if a free slot exists.

How can I verify the 256 GB SSD is recognised after first boot?

Open File Explorer or Disk Management in Windows 10 Pro; the 256 GB solid-state drive should appear as the primary C: volume.

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