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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 16 GB DDR3 128 GB SSD desktop PC

SKU CH-SRNA-PPRZK

A compact desktop with a quad-core i7-2600, 16 GB DDR3, 128 GB SSD and Windows 10 Pro for office tasks

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel 2nd Gen i7-2600
  • Processor Main Features64 bit Processor
  • Quad-core i7-2600 handles multi-tasking efficiently
  • 16 GB DDR3 memory supports smooth application switching
  • 128 GB 2.5" SSD provides fast boot and load times
  • Windows 10 Pro 64-bit pre-installed for immediate productivity
  • USB keyboard and mouse included for ready-to-use setup

Ready for office and study tasks

The Dell OptiPlex 990 Mini Tower ships as a new desktop 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 and a 128 GB 2.5-inch solid-state drive. Windows 10 Pro 64-bit is pre-installed alongside a DVD-RW drive, Gigabit Ethernet, and bundled USB keyboard and mouse.

Upgrade from slower storage or less memory

The solid-state drive replaces a traditional hard drive to cut boot and application load times. The 16 GB DDR3 configuration doubles the 8 GB baseline, giving headroom for heavier multitasking and larger datasets. Buyers who need more storage capacity or a discrete graphics card for modern 3D workloads should look elsewhere.

Steady output within a 265 W power envelope

The 265 W power supply feeds the CPU, integrated Intel HD Graphics 2000, memory and SSD without requiring auxiliary connectors. Under sustained load the quad-core processor maintains its rated clocks while the integrated graphics handle display output and light compute tasks. Thermal performance is managed by the mini-tower chassis airflow design.

Highlights

  • Quad-core i7-2600 handles multi-tasking efficiently
  • 16 GB DDR3 memory supports smooth application switching
  • 128 GB 2.5" SSD provides fast boot and load times
  • Windows 10 Pro 64-bit pre-installed for immediate productivity
  • USB keyboard and mouse included for ready-to-use setup

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 (SSD)
Optical Drive16X DVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
Power Supply265W
MonitorMonitor not included
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
HDDNo
HDD InterfaceSATA
Storage Spec2.5" 128 GB Solid State (SSD)
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

Questions about this item

What size internal drive bay does the OptiPlex 990 Mini Tower use for the 128 GB SSD?

The 128 GB solid-state drive is a 2.5 inch unit that fits the standard internal drive bay in this Mini Tower chassis.

How is the 16 GB DDR3 memory installed, and what step is often missed?

The 16 GB of DDR3 RAM occupies the 240-pin DIMM slots; the step people miss is pressing each module down firmly until the retention clips on both ends click into place.

What maintenance or replacement will the 265 W power supply need later?

The 265 W power supply contains electrolytic capacitors that age over time; plan to replace the unit if the system becomes unstable under load or fails to start reliably.

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