Dell Optiplex 780 Motherboard. Dell Part# C27VV 0C27VV Featuring Intel Chipset LGA775. The Intel board harnesses the advanced computing power of the latest Intel Pentium LGA775 processor supporting Hyper-Threading Technology.

Specifications:

Processor:
Socket: LGA775 Socket
Type:
Intel® Core™2 Duo; FSB up to 1333 MHz
Intel Core 2 Quad; FSB up to 1333 MHz
Intel Pentium® Dual Core; FSB up to 1066 MHz
Intel Celeron®; FSB up to 800 MHz

Memory:
Type: DDR3 SDRAM (non-ECC memory only)
Speed: 1067 MHz
Connectors: four
Capacity: 1 GB or 2 GB non-ECC
Minimum memory:1 GB
Maximum memory: 8 GB

Video:
Integrated: Intel graphics media accelerator X4500 up to 256 MB shared video memory (total system memory greater than 512 MB)
Discrete: PCI Express x16 slot supports either a PCI Express card or a DVI add-on card (for dual-monitor support)

Audio:
Integrated: Intel high definition audio

Network:
Integrated: Intel integrated network interface card capable of 10/100/1000 Mb/s communication

System Information:
Chipset: Intel® Q45 Express chipset w/ICH10DO
DMA channels: eight
Interrupt levels: 24
BIOS chip (NVRAM): 64 Mb

External Connectors:
Audio Back panel: two connectors for line-in/ microphone and line-out
eSATA: one 7-pin connector
Network: one RJ45 connector
Parallel: one 25-pin connector (bidirectional)
Serial: one 9-pin connector; 16550C-compatible
USB:
Front panel: two connectors
Back panel: six connectors
Video: one 15-hole VGA connector, one 20-pin Display Port connector

System Board Connectors:
PCI 2.3: data width (maximum) — 32 bits, two 120-pin connectors
PCI Express x1: data width (maximum) — one PCI Express lane, one 36-pin connector
PCI Express x16: one 164-pin connector, data width (maximum) — 16 PCI Express lanes
Serial ATA: four 7-pin connectors
Memory: four 240-pin connectors
Internal USB device: one 10-pin connector (supports two USB ports)
Processor fan: one 5-pin connector
Hard-drive fan: one 5-pin connector
Front panel control: one 40-pin connector
Processor: one 775-pin connector
Power 12V: one 4-pin connector
Power: one 24-pin connector