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Black and silver small form factor desktop tower with keyboard and mouse

DELL

DELL OptiPlex 990 SFF desktop PC Intel i7-2600 16GB DDR3 500GB HD DVDRW WiFi Windows 10 Pro

SKU CH-GK8C-3XNE0

A compact desktop with a 3.40 GHz quad-core i7-2600, 16 GB DDR3, 500 GB hard drive, DVD±RW, Wi-Fi USB adapter and Windows 10 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 2nd Gen
  • Memory size16 GB DDR3 Desktop RAM
  • Storage drive3.5 in 500 GB Hard Drive
  • GraphicsIntel HD Graphics 2000
  • ChipsetIntel Q67

Memory Capacity 16GB DDR3

  • Quad-core i7-2600 at 3.40 GHz handles multi-tasking
  • 16 GB DDR3 memory supports demanding workloads
  • 500 GB 3.5-inch hard drive stores large files
  • DVD±RW drive reads and writes optical media
  • Windows 10 Pro 64-bit pre-installed for immediate use

Dell OptiPlex 990 SFF desktop

The Dell OptiPlex 990 is a small form factor desktop computer powered by an Intel Quad-Core i7-2600 processor running at 3.40 GHz with a 3.80 GHz turbo boost. It comes with 16 GB of DDR3 memory, a 3.5 inch 500 GB hard drive and a DVD±RW optical drive. Windows 10 Pro 64-bit is pre-installed alongside a USB keyboard and mouse. This system suits home office users and students who need a compact, ready-to-use PC for everyday productivity.

DDR3 memory and SFF constraints

The platform uses 240-pin DDR3 desktop RAM and the small form factor chassis limits internal expansion space. Integrated Intel HD Graphics 2000 provides basic display output without a discrete graphics card. A USB WiFi adapter adds wireless connectivity while Gigabit Ethernet handles wired networking. Buyers who need more storage bays, additional memory slots or a full-size graphics card should consider a larger tower chassis instead.

16 GB DDR3 decides fit

The installed 16 GB of DDR3 memory represents the key specification for matching this system to workloads that require that exact capacity and generation. The 500 GB hard drive offers moderate space for applications and files. If your software demands a different memory type, higher capacity or faster solid-state storage, this configuration will not meet those requirements.

How it compares

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

Price $217.99
Cheaper than about 86% 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 i7 2nd Gen
CPUIntel Quad-Core i7-2600 3.4 GHz
CPU modelIntel Core i7-2600
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 drive3.5 in 500 GB Hard Drive
SSD storageNo
Hard drive500 GB
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
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

Other versions of this model

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Questions about this item

Should I pick the 16 GB DDR3 option or a smaller 4 GB or 8 GB kit for this OptiPlex 990 SFF?

The 16 GB DDR3 configuration fills the board's capacity and lets the i7-2600 handle heavy multitasking without swapping to the 500 GB hard drive, while 4 GB or 8 GB will limit simultaneous apps.

What does the i7-2600 3.40 GHz with 3.80 GHz Turbo actually deliver in daily work?

The quad-core 3.40 GHz base clock runs office suites and browser tabs smoothly, and the 3.80 GHz Turbo Boost kicks in for short bursts like spreadsheet recalculations or photo exports.

How does the Gigabit Ethernet port perform when moving large files across a wired LAN?

The integrated Gigabit Ethernet controller supports up to 1 Gbit/s link speed, so sustained copies to a NAS or server are limited by the 500 GB hard drive's mechanical throughput rather than the network interface.

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