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

DELL

DELL OptiPlex 990 Mini Tower i7-2600 16 GB DDR3 128 GB SSD + 2 TB HDD DVD-RW Windows 10 Pro WiFi

SKU CH-5B9E-0TRRD

Business desktop with Intel Core i7-2600, 16 GB DDR3, 128 GB SSD plus 2 TB HDD, DVD-RW, Wi-Fi and Windows 10 Pro

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i7-2600
  • Processor Main Features64 bit Processor

HDD 2TB

  • Quad-core i7-2600 at 3.40 GHz powers multitasking
  • 16 GB DDR3 memory handles multiple apps smoothly
  • 128 GB SSD plus 2 TB HDD stores OS and files
  • DVD-RW drive reads and writes discs
  • Windows 10 Pro 64-bit pre-installed for immediate use

Desktop for home office and study

The Dell OptiPlex 990 Mini Tower ships new with an Intel Core i7-2600 quad-core processor running at 3.40 GHz with a 3.90 GHz turbo boost. It includes 16 GB of DDR3 memory, a 128 GB solid-state drive, a 2 TB hard drive, a DVD-RW drive and Windows 10 Pro 64-bit. A USB keyboard and mouse are supplied in the box.

DDR3 memory and 265 W power limit

The system uses 240-pin DDR3 DIMM modules and the 265 W power supply restricts the graphics cards and additional drives that can be added. Integrated Intel HD Graphics 2000 drives the display outputs without a discrete card. Gigabit Ethernet provides the wired network connection.

Mini-tower access with proprietary constraints

The chassis opens for drive and memory upgrades but uses Dell-specific front-panel connectors and a non-standard power supply shape. The 2.5-inch SSD and 3.5-inch hard drive bays are fixed in place. Installing a low-profile graphics card requires checking the physical clearance and the 265 W budget.

Highlights

  • Quad-core i7-2600 at 3.40 GHz powers multitasking
  • 16 GB DDR3 memory handles multiple apps smoothly
  • 128 GB SSD plus 2 TB HDD stores OS and files
  • DVD-RW drive reads and writes discs
  • Windows 10 Pro 64-bit pre-installed for immediate use

Specifications

BrandDELL
SeriesOptiPlex
Model990
Part Number990
TypeStudent / Home Office
Form FactorDIMM 240-pin
UsageConsumer
ColorBlack/Silver
ProcessorIntel 2nd Gen i7-2600
Processor Main Features64 bit Processor
Memory16 GB DDR3 Desktop RAM
Storage2.5" 128 GB Solid State + 3.5" 2TB Hard Drive
Optical Drive16X DVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
Power Supply265W
KeyboardUSB Keyboard
MouseUSB Mouse
Operating SystemWindows 10 Pro
Software IncludedWindows 10 Pro Restore Media
ChipsetIntel Q67
CPU TypeIntel Core i7 2nd Gen
Installed Qty1
Max Supported Qty1
CPU Name3.40GHz
CPU Socket TypeLGA 1155
CPU Main Features64 bit Processor
GPU/VGA TypeIntel HD Graphics 2000
Graphics InterfaceIntegrated video
Memory Capacity16GB DDR3
Memory SpeedDDR3
Memory Spec4 GB x 4
Memory Slot (Total)4
Memory Slot (Available)0
Memory Slots (Available/Total)0/4
Maximum Memory Supported16 GB
HDD2TB
HDD InterfaceSATA
Storage Spec2.5" 128 GB Solid State + 3.5" 2TB Hard Drive
Optical Drive TypeDVD-R/RW
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
BluetoothYes
Front USB4
PS/22
Video Ports1 VGA, 1 Display Port
Rear USB6
RJ451 port
Rear Audio Ports1x Headphone, 1x Microphone, 1x Line In
Keyboard TypeUSB Keyboard
Mouse TypeUSB Mouse
Dimensions (H x W x D)14.2 x 6.9 x 16.4
Weight19.55Lbs

Other versions of this model

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Questions about this item

Should I choose the 128 GB SSD plus 2 TB HDD or a larger solid-state option?

The 128 GB SSD holds the operating system and key programmes for fast boot times, while the 2 TB hard drive provides ample space for large files and backups. Larger solid-state options such as 256 GB, 512 GB or 1 TB replace the 128 GB drive if you prefer more flash storage and less mechanical storage.

What does the i7-2600 3.40 GHz processor with 3.90 GHz turbo deliver in daily use?

The quad-core Intel i7-2600 runs at 3.40 GHz base frequency and can reach 3.90 GHz on demanding single-thread tasks, giving responsive performance for office suites, web browsing and light content creation with the installed 16 GB DDR3 memory.

How does the Gigabit Ethernet port limit real-world network speed?

The integrated Gigabit Ethernet caps wired throughput at 1 Gbps, so file transfers and internet access cannot exceed that rate even if your router or switch supports faster standards.

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