Intel P55

The Intel P55 is the first desktop chipset from Intel based on the PCH chipset design. The P55 Express chipset uses the LGA 1156 socket. Compatible CPUs include the first generation Core i series i3, i5, and i7 processor line along with a Pentium G6950. Like any PCH chipset, the P55 uses a Direct Media Interface connection.

Intel P55 Express
Platform Controller Hub (PCH)

Codename(s)	Ibex Peak
CPU supported	Pentium G6950 Core i3 Core i5 Core i7
Socket supported	LGA 1156
Fabrication process	65nm
TDP	4.7 W[1]
Miscellaneous
Release date(s)	September 8, 2009
Predecessor	ICH10 & P45 Express
Successor	P67 and Z68

P55 Block Diagram

Features

• The chipset does not support onboard graphics.
• 6 SATA 3 Gbit/s ports
• 8 PCI-Express 2.0 lanes (bandwidth limited to 2.5 GT/s same as PCIe 1.0, normal PCIe 2.0 has 5 GT/s bandwidth)
• 14 USB 2.0 ports
• Integrated LAN 10/100/1000
• SMBus 2.0
• Integrated clock chip buffer
• Intel HD Audio
• Intel AC'97 Technology
• Intel Rapid Storage Technology

See also

• List of Intel chipsets
• Intel 5 Series