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Black and silver small form factor desktop tower with DVD drive slot

DELL

Dell OptiPlex 990 SFF i7-2600 3.40GHz 8GB DDR3 256GB SSD desktop PC

SKU CH-1XVY-MME5Z

Compact small-form-factor desktop with a quad-core Intel i7-2600, 8 GB DDR3 memory, 256 GB SSD, DVD±RW drive, Wi-Fi adapter and Windows 10 Pro

  • TypeStudent / Home Office
  • Form FactorDIMM 240-pin
  • UsageConsumer
  • ColorBlack/Silver
  • ProcessorIntel Quad-Core i7-2600 3.40GHz
  • Processor Main Features64 bit Quad-Core Processor

Memory Capacity 4GB DDR3

  • Quad-core i7-2600 at 3.40 GHz powers everyday multitasking
  • 8 GB DDR3 memory supports smooth application switching
  • 256 GB SSD provides fast boot and load times
  • Small form factor fits tight desk spaces
  • Windows 10 Pro 64-bit pre-installed for immediate use

Compact desktop for everyday work

The Dell OptiPlex 990 SFF is a small form factor PC built around an Intel Core i7-2600 quad-core processor running at 3.40 GHz with a 3.80 GHz turbo boost. It ships with 8 GB of DDR3 memory and a 256 GB 2.5-inch SSD for the operating system and files. Windows 10 Pro 64-bit comes pre-installed, and a USB keyboard plus mouse are included in the box.

Thermals and power in daily use

The SFF chassis relies on Intel HD Graphics 2000 integrated graphics, which keeps heat output modest during typical office tasks. A single internal fan cools the 64-bit CPU and power supply without producing intrusive noise at idle or light load. Power draw stays low because there is no discrete graphics card or additional spinning drives beyond the SSD and DVD±RW.

DDR3 memory limit defines upgrade scope

The motherboard uses 240-pin DIMM slots that accept DDR3 modules only, with a maximum supported capacity of 16 GB. Buyers who want more storage must add a second 2.5-inch drive or use external USB storage, as there is no M.2 slot or 3.5-inch bay. The integrated graphics cannot be upgraded, so this system is not suited for modern gaming or GPU-accelerated workloads.

Highlights

  • Quad-core i7-2600 at 3.40 GHz powers everyday multitasking
  • 8 GB DDR3 memory supports smooth application switching
  • 256 GB SSD provides fast boot and load times
  • Small form factor fits tight desk spaces
  • 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 Quad-Core i7-2600 3.40GHz
Processor Main Features64 bit Quad-Core Processor
Memory8 GB DDR3 Desktop RAM
Storage256 GB 2.5" Solid State Hard Drive ( SSD)
Optical DriveDVD±RW Drive
GraphicsIntel HD Graphics 2000
AudioSound card - Integrated
EthernetGigabit Ethernet
Wireless CardWiFi USB Adapter
CaseSmall Form Facto (SFF)
KeyboardUSB
MouseUSB
Operating SystemWindows 10 Pro
Software IncludedWindows 10 Pro Installed
ChipsetIntel Q67
CPU TypeIntel Core i7 2nd Gen
Installed Qty1
Max Supported Qty1
CPU NameIntel Core i7-2600
CPU Socket TypeLGA 1155
CPU Main Features64 bit Quad-Core Processor
GPU/VGA TypeIntel HD Graphics 2000
Graphics InterfaceIntegrated video
Memory Capacity4GB DDR3
Memory SpeedDDR3
Memory Spec1 GB x 4
Memory Slot (Total)4
Memory Slot (Available)0
Memory Slots (Available/Total)0/4
Maximum Memory Supported16 GB
SSD256GB
HDDNo
HDD InterfaceSATA
Optical Drive TypeDVD±RW
Screen SizeNo Screen
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11 Wireless LAN
Front USB4
Front Audio Ports2
Video Ports1 VGA, 1 Display Port
Rear USB6
Rear IEEE 13941 port
RJ451x Headphone, 1x Microphone, 1x Line In
Keyboard TypeUSB Keyboard
Mouse TypeUSB Mouse
Dimensions (H x W x D)11.4 x 3.7 x 12.3
Weight12 Lbs.

Other versions of this model

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Questions about this item

How do I install the 8 GB DDR3 DIMM in the OptiPlex 990 SFF, and what step is often missed?

Open the SFF chassis, align the 240-pin DDR3 module with the motherboard slot, press firmly until the retention clips click, then replace the cover; the step often missed is seating the module fully so both clips engage automatically.

What maintenance or replacement will the OptiPlex 990 SFF need later?

The CMOS coin-cell battery on the motherboard will eventually need replacement to keep BIOS settings and system time, and the DVD±RW drive mechanism may require cleaning or replacement if disc reading fails.

What limit appears first when the i7-2600 runs sustained loads in this SFF case?

The compact SFF airflow path causes CPU temperatures to reach the processor's thermal throttle point under sustained loads, reducing clock speeds below the 3.80 GHz turbo frequency to protect the chip.

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