Dimension 5100 5150 E510 Motherboard J8885 WG261

Chipset
Intel 945G ChipSet
Processor
Pentium 4 Processor 570J supporting HT Technology (1M Cache, 3.80 GHz, 800 MHz FSB)
Pentium 4 Processor 561 supporting HT Technology (1M Cache, 3.60 GHz, 800 MHz FSB)
Pentium 4 Processor 550 supporting HT Technology (1M Cache, 3.40 GHz, 800 MHz FSB)
Pentium 4 Processor 541 supporting HT Technology (1M Cache, 3.20 GHz, 800 MHz FSB)
Pentium 4 Processor 630 supporting HT Technology (2M Cache, 3.00 GHz, 800 MHz FSB)
Pentium 4 Processor 521 supporting HT Technology (1M Cache, 2.80 GHz, 800 MHz FSB)
Socket LGA775
Memory
4x 400-MHz and 533-MHz DDR2 unbuffered SDRAM Slots
4gb Max Total
Audio
Integrated Sigmatel STAC9220
Video
Integrated Intel Graphics Media Accelerator 950 (GMA950)
Expansion Capabilities
2x PCI Slots
1x PCI-e x1
1x PCI-e x16
Peripheral Interfaces
VGA Monitor Connector
RJ-45 Ethernet/LAN Connector
5x USB 2.0-compliant connectors
5x connectors for line-in, line-out, microphone/ side-surround, surround, and center/subwoofer connector (LFE channel)