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Small black and silver Dell OptiPlex 780 desktop tower

DELL Refurbished

DELL 780/3.0/8/1T desktop PC

SKU CH-K5Y0-SGE4J MPN 780/3.0/8/1T

A slim small-form-factor desktop with an Intel Core 2 Duo E8400 at 3.0 GHz, 8 GB DDR3 and a 1 TB hard drive running Windows 7 Professional 64-bit

  • Screen sizeNo Screen
  • ProcessorCore 2 Duo
  • Memory size8 GB DDR3
  • Storage drive1 TB
  • GraphicsIntel GMA 4500
  • CPUIntel Core 2 Duo E8400 3.0 GHz
  • Intel Core 2 Duo E8400 at 3.0 GHz powers everyday office tasks
  • 8 GB DDR3 memory keeps multiple applications running smoothly
  • 1 TB hard drive stores large document libraries and media files
  • Windows 7 Professional 64-bit provides a familiar business desktop environment
  • Slim small form factor fits tight desk spaces while remaining serviceable

Purpose-built desktop for office tasks

The DELL OptiPlex 780 is a refurbished small form factor desktop configured for everyday business use. An Intel Core 2 Duo E8400 processor at 3.0 GHz with 6 MB L2 cache provides dual-core 64-bit performance. 8 GB of DDR3 memory supports multitasking across standard productivity applications. A 1 TB hard drive stores documents and media, while Windows 7 Professional 64-bit is pre-installed.

Sustained workload behaviour

The dual-core processor handles typical office loads such as document editing, email and web browsing without thermal throttling in the slim chassis. Integrated Intel GMA 4500 graphics drive basic display output for dual-monitor setups using available video ports. The DVD optical drive reads and writes installation media or archives during extended sessions. The 90-day antivirus subscription and 30-day WinZip and Corel Office trials cover initial software needs.

Build, connectivity and daily implications

The black and silver small form factor case fits tight desk spaces and standard VESA mounts where compatible. Front and rear USB ports accept keyboards, mice and flash drives for daily peripheral changes. Video outputs support legacy and digital monitors without adapters. The wired network port ensures stable LAN connectivity for managed environments. No display is included in the package.

How it compares

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

Price $124.99
Cheaper than about 95% of the 14,711 comparable items (median $494.99).
Memory size 8 GB DDR3
Lower than about 80% of the 5,840 comparable items (median 16 GB).
RAM capacity 8 GB DDR3
Lower than about 80% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Model name780
Product typeStudent / Home Office
Recommended useBusiness
Product colorBlack/Silver
Performance
Spindle speed7,200 rpm
Processor
ProcessorCore 2 Duo
CPUIntel Core 2 Duo E8400 3.0 GHz
CPU modelIntel Core 2 Duo E8400
Processor cache6 MB L2 Cache
L2 cache per processor6 MB
Memory
Memory size8 GB DDR3
RAM capacity8 GB DDR3
Max supported RAM16 GB
Storage
Storage drive1 TB
SSD storageNo
Hard drive1 TB
Disc driveDVD
Drive interfaceSATA
Optical driveDVD
Display
Screen sizeNo Screen
Graphics
GraphicsIntel GMA 4500
GPUIntel GMA 4500
GPU interfaceIntegrated video
Connectivity
Network speed10/100/1000 Mbit/s
Ports & slots
Front USB ports2
Front audio jacks2
Serial ports1
Rear USB ports6
Ethernet port1 port
Rear audio jacks3 ports
PCIe expansion slots1 PCI Express x16
1 PCI Express x1
Size & build
Form factorSlim/Small Form Factor
Shipping weight7.98 kg
Package size254 × 203 × 102 mm
In the box
Pointing deviceYes
Software
Operating systemWindows 7 Professional 64-bit
Pre-installed software90 Days Subscription: Antivirus
30 Days Trial WinZip, Corel Office
More details
LPT1
Keyboard typeYes

Questions about this item

How loud does the OptiPlex 780 get when the Core 2 Duo E8400 runs at 3.0 GHz all day?

The slim chassis uses a low-profile cooler for the dual-core processor; under sustained load the fan becomes audible but remains within typical office background levels.

What display cable must I already own to connect the Intel GMA 4500 graphics?

The integrated Intel GMA 4500 outputs via VGA and DisplayPort, so a VGA or DisplayPort cable is required for a monitor.

Can I keep my existing DDR3 modules and add them to the 8 GB already installed?

The system uses DDR3 memory; any additional modules must match the DDR3 type and the motherboard's supported speed to function correctly.

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