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Small black and silver desktop tower, compact form factor

DELL

DELL OptiPlex 755 SFF 1.8GHz Celeron 2GB DDR2 80GB HDD Windows 7 Home Premium

SKU CH-HHAM-MZXD9

Small-form-factor desktop with an Intel Celeron 1.8 GHz processor, 2 GB DDR2 memory, 80 GB hard drive and Windows 7 Home Premium

  • Screen sizeNo Screen
  • ProcessorCeleron
  • Memory size2 GB DDR2
  • Storage drive80 GB
  • GraphicsIntel GMA 3100
  • ChipsetIntel Q35
  • Compact SFF design fits tight desk spaces
  • 8 GHz Celeron handles everyday office tasks
  • 2 GB DDR2 memory runs essential applications
  • 80 GB hard drive stores documents and media
  • Genuine Windows 7 Home Premium licensed and ready to use

Compact desktop for basic tasks

The Dell OptiPlex 755 is a small form factor desktop aimed at students and home offices needing a simple machine for web browsing, email and document editing. Its 1.8 GHz Intel Celeron processor and 2 GB of DDR2 memory handle light workloads within the limits of the Intel Q35 chipset. The system arrives with a licensed copy of Windows 7 Home Premium pre-installed.

DDR2 memory and storage limits

The platform supports only DDR2 memory with a single installed module and a maximum of one module total, so capacity cannot be expanded beyond the fitted 2 GB. The 80 GB hard drive provides modest space for documents and media, while the integrated Intel GMA 3100 graphics rely on system memory and the 800 MHz front-side bus.

280 W power supply constraint

A 280 W power supply restricts the components that can be added, ruling out dedicated graphics cards or high-wattage upgrades. Buyers who need more storage, faster memory or a discrete GPU should consider a larger chassis with a higher-capacity PSU.

How it compares

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

Price $137.99
Cheaper than about 94% of the 14,711 comparable items (median $494.99).
Memory size 2 GB DDR2
Lower than about 99% of the 5,840 comparable items (median 16 GB).
RAM capacity 2 GB DDR2
Lower than about 98% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model nameOptiplex 755
Product typeStudent / Home Office
Product colorBlack/Silver
Processor
ProcessorCeleron
CPUIntel Celeron 1.8 GHz
CPU model1.8 GHz
CPU socketLGA 775
ChipsetIntel Q35
CPU bus speed800 MHz
L2 cache per processor1 MB
Memory
Memory size2 GB DDR2
RAM capacity2 GB DDR2
Memory configuration512 MB x 4
Total memory slots4
Free memory slots0
Memory slots0/4
Storage
Storage drive80 GB
Hard drive80 GB
Drive interfaceSATA
Optical driveDVD-ROM
Display
Screen sizeNo Screen
Graphics
GraphicsIntel GMA 3100
GPUIntel GMA 3100
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Audio chipIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Ethernet controllerIntegrated
Ports & slots
Front USB ports2
Front audio jacks2
Video connectors1 VGA
Rear USB ports6
Ethernet port1 port
Rear audio jacks1x Headphone, 1x Microphone, 1x Line In
Power
Power supply280 W
Size & build
Form factorSlim/Small Form Factor
Overall dimensions3.65 × 13.4 × 12.45
In the box
Pointing deviceUSB Mouse
Software
Operating systemWindows 7 Home Premium
More details
Keyboard typeUSB Keyboard

Questions about this item

Should I choose the 80 GB hard drive or look for a larger capacity?

The 80 GB hard drive is the only storage option listed for this OptiPlex 755 SFF.

What does the 1.80 GHz Celeron processor mean for everyday performance?

The 1.80 GHz Intel Celeron with 800 MHz FSB handles basic home office tasks and web browsing within the limits of the installed 2 GB DDR2 memory.

Does the DDR2 memory type limit what I can upgrade to later?

Yes, this system uses DDR2 memory only; other DDR generations are physically incompatible and will not fit the motherboard slots.

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