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Black and silver small form factor Dell OptiPlex 990 desktop tower

DELL

DELL OptiPlex 990 SFF desktop PC Intel Quad-Core i5 16GB DDR3 256GB SSD

SKU CH-JT04-PZMW9

A compact SFF desktop with a quad-core i5 up to 3.40 GHz, 16 GB DDR3, 256 GB SSD, DVD±RW, Wi-Fi and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i5 2nd Gen
  • Memory size16 GB DDR3 Desktop RAM
  • Storage drive256 GB 2.5 in Solid State Hard Drive ( SSD)
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel Q67
  • Quad-core Intel i5 handles multitasking with 2.9–3.30 GHz speeds
  • 16 GB DDR3 memory supports smooth multi-application workflows
  • 256 GB SSD provides fast boot and quick file access
  • Windows 10 Pro 64-bit pre-installed for immediate productivity
  • Small form factor saves desk space in home or office

Dell OptiPlex 990 SFF for home office

This Dell OptiPlex 990 small form factor desktop is built for everyday computing tasks. It runs on an Intel quad-core i5 processor clocked between 2.9 and 3.30 GHz with a 3.40 GHz turbo boost. The system includes 16 GB of DDR3 memory and a 256 GB 2.5 inch SSD. Windows 10 Pro 64-bit comes pre-installed for immediate use.

Sustained load behaviour with integrated graphics

The Intel HD Graphics 2000 handles general desktop work and video playback without a discrete card. Under continuous multi-threaded loads the quad-core CPU maintains performance within its thermal envelope. The 256 GB SSD keeps read and write speeds consistent during extended file operations. Gigabit Ethernet and a USB WiFi adapter provide stable network connectivity for long sessions.

Installation notes for the SFF chassis

The small form factor case limits internal expansion to low-profile cards only. Memory uses 240-pin DDR3 DIMM slots so upgrades must match that standard. A DVD±RW drive is already fitted in the single external bay. USB keyboard and mouse are included in the box for quick setup. Monitor is not included and must be sourced separately.

How it compares

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

Price $87.99
Cheaper than about 97% of the 14,711 comparable items (median $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 i5 2nd Gen
CPUIntel Quad-Core i5 (2.9 GHz-3.3 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 drive256 GB 2.5 in Solid State Hard Drive ( SSD)
SSD storage256 GB
Hard driveNo
Disc driveDVD±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-Fi802.11 Wireless LAN
Ports & slots
Front USB ports4
Front audio jacks2
Video connectors1 VGA, 1 Display Port
Rear USB ports6
Ethernet port1x Headphone, 1x Microphone, 1x Line In
Size & build
Form factorDIMM 240-pin
ChassisSmall Form Facto (SFF)
Overall dimensions11.4 × 3.7 × 12.3
Product weight12 lb (5.44 kg)
In the box
Included monitorNot included
Bundled mouseUSB
Pointing deviceUSB Mouse
Software
Operating systemWindows 10 Pro
Pre-installed softwareWindows 10 Pro Installed
More details
KeyboardUSB
Rear IEEE 13941 port
Keyboard typeUSB Keyboard

Questions about this item

How much heat and noise does the Intel Quad-Core i5 2.9-3.30GHz produce under sustained load in the SFF case?

The small form factor chassis uses a compact heatsink and a single system fan; under continuous multi-core workloads the CPU will reach its thermal limits quickly, so expect audible fan spin and warm exhaust air from the rear vent.

Which peripherals and cables are not included and must be supplied separately for first boot?

A display with VGA or DisplayPort input, a compatible video cable, and a mains power lead are required; the box provides the desktop, USB keyboard, USB mouse and a WiFi USB adapter only.

Will the Intel HD Graphics 2000 and DDR3 memory work reliably with a legacy PCI add-in card I still use?

The motherboard offers one low-profile PCI slot alongside PCIe x16 and x1 slots; the integrated graphics and 16 GB DDR3 remain active, so a legacy PCI card can be installed without disabling onboard video or memory.

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