Dell OptiPlex 7020 (Mid 2014) - Manual (Page 54)

Table 19. Network
Feature Specification
Integrated Intel I217LM Ethernet capable of 10/100/1000 Mb/s
communication
Table 20. System Information
Feature Specification
System chipset Intel 8 series Express chipset
DMA Channels two 8237 DMA controllers with seven independently
programmable channels
Interrupt Levels Integrated I/O APIC capability with 24 interrupts
BIOS Chip (NVRAM) 12 MB
Table 21. Expansion Bus
Feature Specification
Bus Type PCIe gen2, gen3 (x16), USB 2.0, and USB 3.0
Bus Speed PCI Express:
• x1-slot each direction speed –500 MB/s
• x16-slot each direction speed–16 GB/s
SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps
Table 22. Cards
Feature Specification
PCI:
Mini-Tower up to one full-height card
Small Form Factor none
PCI Express x1:
Mini-Tower up to three full-height cards
Small Form Factor up to two low-profile cards
PCI-Express x16:
Mini-Tower up to two full-height cards
Small Form Factor up to two low-profile cards
Table 23. Drives
Feature Specification
Externally Accessible (5.25-inch drive bays)
Mini-Tower two
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