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

DELL

DELL OptiPlex 755 SFF desktop PC Core 2 Duo 2.2GHz 4GB DDR2 750GB Windows 7

SKU CH-2G0E-KTNV8

A compact business desktop with a 2.2 GHz Core 2 Duo processor, 4 GB DDR2 memory, 750 GB storage and Windows 7 Professional pre-installed

  • Screen sizeNo Screen
  • ProcessorCore 2 Duo
  • Memory size4 GB DDR2
  • Storage drive750 GB
  • GraphicsIntel GMA 3100
  • CPUCore 2 Duo
  • Business-ready performance with Intel Core 2 Duo 2.20GHz dual-core processor
  • 4GB DDR2 memory supports everyday office multitasking
  • 750GB hard drive stores documents and local backups
  • Windows 7 Professional 64-bit pre-installed for immediate deployment
  • Gigabit Ethernet enables fast wired network connectivity

Dell OptiPlex 755 SFF Business Desktop

The Dell OptiPlex 755 SFF is a small-form-factor business desktop powered by a 2.2 GHz Intel Core 2 Duo dual-core 64-bit processor. It ships with 4 GB of DDR2 memory and a 750 GB hard drive. Windows 7 Professional 64-bit comes pre-installed for immediate deployment in office environments.

Installation Notes and Common Issues

The system arrives with a USB keyboard and mouse plus a power cord so it is ready to connect to a display. Internal upgrades use 240-pin DIMM slots and standard drive bays accessed by removing the chassis cover. The integrated Intel GMA 3100 graphics and 275 W power supply limit expansion to low-profile cards that draw minimal power.

Pre-Purchase Compatibility Check

Verify that your monitor provides a VGA or DVI input matching the onboard video output. Confirm that any legacy PCI or PCIe expansion cards you intend to reuse are low-profile compatible. Ensure your network infrastructure supports 10/100/1000 Gigabit Ethernet for full wired throughput.

How it compares

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

Price $164.99
Cheaper than about 92% of the 14,711 comparable items (median $494.99).
Memory size 4 GB DDR2
Lower than about 97% of the 5,840 comparable items (median 16 GB).
RAM capacity 4 GB DDR2
Lower than about 95% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameOptiPlex
Product lineOptiPlex
Model name755
Recommended useBusiness
Product colorBlack/Silver
Performance
Spindle speed7,200 RPM
Processor
ProcessorCore 2 Duo
CPUCore 2 Duo
CPU model2.2 GHz
CPU socketLGA 775
CPU bus speed1333 MHz
L2 cache per processor4 MB
Memory
Memory size4 GB DDR2
RAM capacity4 GB DDR2
Memory configuration1 GB x 4
Total memory slots4
Free memory slots0
Memory slots0/4
Max supported RAM4 GB DDR2
Storage
Storage drive750 GB
Hard drive750 GB
Storage configurationSATA 3.5 in 750 GB HDD
Disc driveDVD-ROM
Drive interfaceSerial-ATA
Optical driveDVD-ROM
External bays1 x External 3.5 in slimline, 1 x External 5.25 in slimline
Internal bays1 x Internal 3.5 in
Display
Screen sizeNo Screen
Type of screenNO SCREEN
Graphics
GraphicsIntel GMA 3100
GPUIntel Graphics Media Accelerator 3100
GPU modelIntel GMA 3100
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Audio chipIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired network10/100/1000 Gigabyte
Ethernet controllerIntegrated
Ports & slots
Front USB ports1
Front audio jacks1
Video connectors1 VGA
Rear USB ports6
Ethernet port1 port
Rear audio jacks1
Power
Power supply275 W
Size & build
Form factorDIMM 240-pin
Overall dimensions3.65 × 12.4 × 13.4
In the box
Bundled mouseUSB
Pointing deviceUSB
In the boxKeyboard, mouse, and power cable is included.
Software
Operating systemWindows 7
More details
KeyboardUSB
Keyboard typeUSB

Questions about this item

How can I confirm the Intel GMA 3100 graphics are active after installing Windows 7?

Open Device Manager and verify Intel Graphics Media Accelerator 3100 appears under Display adapters without a warning icon.

Which items are included and what must I supply myself?

The box contains the SFF chassis, 275 W power supply, USB keyboard, USB mouse and a power cord; a monitor and any additional peripherals are not included.

Should I choose the 750 GB hard drive or a smaller capacity for this OptiPlex 755?

The listed configuration ships with a single 750 GB drive; no other storage capacities are offered for this model.

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