Dell OptiPlex 390 (Mid 2011) - Manual (Page 81)

Specifications
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Specification
NOTE: Offerings may vary by region. For more information regarding the
configuration of your computer, click Start (or Start in Windows XP) Help and
Support, and then select the option to view information about your computer.
System Information
System Chipset Intel H61 Express Chipset
DMA Channels two 82C37 DMA controllers with seven
independently programmable channels
Interrupt Levels Integrated I/O APIC capability with 24
interrupts
BIOS Chip (NVRAM) 32 MB (4 MB)
Processor
Processor type
• Intel Core i3 series
• Intel Core i5 series
Total Cache up to 8 MB cache depending on processor
type
Memory
Type DDR3
Speed 1333 MHz
Connectors two DIMM slots
Capacity 1 GB, 2 GB, and 4 GB
Minimum Memory 1 GB
Maximum memory 8 GB
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