Intel Desktop Board D915PBLL - Mainboard - Atx - I915P - LGA775 Socket - Lan En, ATX form factor, 12.0 x 9.6 inches Intel 915P chipset Four ports on back panel, two ports on front panel with included USB/1394/Audio 3.5" module Support Intel Pentium 4 processors in the LGA775 package Supports DDR2 SDRAM 400 MHz/533 MHz, up to 4 GB