The Specs

Storage
Number of Hard Drives Included 1
Hard Drive Capacity 250 GB
Memory
Installed Memory 2 GB
Max System Memory 8 GB
Memory Technology DDR3 SDRAM
Memory Socket DIMM
Additional Specifications
normalized-Cache Size 3
normalized-Weight 312.8
normalized-Height 360.68
Quick Glance
Green Compliance Energy Star
Operating System Microsoft Windows 7 Home Premium
Chassis Style Tower (Mini)
normalized-Processor Speed 2700
Included Drives DVD-ROM
Included Devices Keyboard|Mouse
normalized-Hard Drive Capacity 250000
normalized-Installed Memory 2000
Processor Class Intel Pentium
Multimedia
Video Bus PCI Express x16
Warranty
Warranty Information 3 year(s)
Dimensions
Weight 19.55 lbs
Height 14.2 in
Width 6.9 in
Depth 16.4 in
Case
Number of Externally 5.25 Bays 2
Number of Internal 3.5 Bays 2
More Info
URL http://www.dell.com/us/enterprise/p/optiplex-390/pd
Expansion Slots
Number of PCI-Express x1 Slots 3
Number of PCI-Express x16 Slots 1
System
Interface Connection Audio - Line In (1/8" Mini)|Audio - Line Out (1/8" Mini)|Audio - Microphone In (1/8" Mini)|Ethernet - RJ45|HDMI|USB - Universal Serial Bus 2.0|VGA
Drive Controllers Serial ATA
Processor
Processor Speed 2.7 GHz
Number of Installed Processors 1
Cache Size 3 MB
Number of Processor Cores Dual-Core

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