Dell OptiPlex 7040 - Mini Tower Owner's Manual page 49

Table 22. Audio
Feature
Integrated
Table 23. Network
Feature
Integrated
Table 24. System information
Feature
System chipset
DMA channels
Interrupt levels
BIOS chip (NVRAM)
Table 25. Expansion bus
Feature
Bus type
Bus speed
Table 26. Cards
Feature
PCI
PCI express x1
PCI express x16
Table 27. Drives
Feature
Externally accessible (5.25-inch drive bays)
Optical drives
Specification
Two channel High Definition Audio
Specification
Intel I219-LM Ethernet capable of 10/100/1000 Mb/s
communication
Specification
Intel 100 series, Q170
Two 8237 DMA controllers with seven independently
programmable channels
Integrated I/O APIC capability with 24 interrupts
16 MB
Specification
PCIe gen3 (x16), USB 2.0, and USB 3.0
PCI Express:
• x1 -slot each direction speed – up to 985 MB/s 3.94
GB/s
• x16-slot each direction speed–16 GB/s
SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps
Specification
Full height card
Full height card
Up to two full-height cards
Specification
Two
Two
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