"UP TO 4 GB OF DDR2-667 REGISTERED ECC MEMORY 1GB, 512 MB; ONE GB ETHERNET PORT; SIX USB 2.0 PORTS, TWO IN FRONT AND FOUR IN BACK, TWO IEEE 139A FIRE WIRE PORTS IN FRONT; UP TO TWO SATA DRIVES, 250GB 7,200 RPM; 1 DVD-ROM OR DVD R/RW; OPERATING TEMP 41 DEG TO 95 DEG F; PRELOADED TOOLS SUN JAVA STUDIO CREATOR 2, SUN JAVA STUDIO ENTERPRISE, SUN STUDIO 10; WEIGHT 34 POUNDS; 64 BIT OPERON PROCESSOR"