Dell OptiPlex 990 - Video, Audio, Network, and Expansion Specs

Video
Integrated
• Intel HD Graphics (with Intel Celeron/
Pentium-class CPU-GPU combo)
• Intel HD Graphics 2000 (with Intel Core
i3 DC 65 W and Intel Core i5/i7 QC
vPRO 95 W-class CPU-GPU combo)
Discrete PCI Express x16 graphics adapter
Audio
Integrated four Channel High Definition Audio
Network
Integrated Intel 82579LM Ethernet capable of
10/100/1000 Mb/s communication
System Information
System Chipset Intel 6 Series 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) 80 MB (10 MB)
Expansion Bus
Bus Type PCI 2.3, PCI Express 2.0, SATA 3.0 and 2.0,
USB 2.0
Bus Speed: PCI Express:
• x1-slot bidirectional speed – 500 MB/s
• x16-slot bidirectional speed – 16 GB/s
SATA: 1.5 Gbps, 3.0 Gbps, and 6 Gbps
Cards
PCI
84