Mainstream 3
Price Range: $1500-$2000
CPU; Bus Speed; Motherboard Chipset by Quarter:

• Q3 1999: Pentium III 550; 100MHz FSB; 440BX/ZX 66/100MHz FSB & introduction of 810e
• Q4 1999: Pentium III 600MHz; 100/133MHz FSB; Intel 810e 100/133MHz FSB & Intel 820 introduced
• Q1 2000: Pentium III 667MHz; 133MHz FSB; Intel 820 133MHz FSB & 810e 133/100MHz FSB
• Q2 2000: Pentium III 733MHz; 133MHz FSB; Intel 820/810e & Solano 133MHz FSB introduced

Mainstream 2
Price Range: $1,200-$1,500

• Q3 1999: Pentium III 500MHz; 100MHz FSB; 440BX/ZX 66/100MHz FSB & introduction of 810e
• Q4 1999: Pentium III 550/533MHz; 100/133MHz FSB; Intel 810e 100/133MHz FSB & Intel 820 introduced
• Q1 2000: Pentium III 600MHz; 133MHz FSB; Intel 820 133MHz FSB & 810e 133/100MHz FSB
• Q2 2000: Pentium III 667MHz; 133MHz FSB; Intel 820/810e & Solano 133MHz FSB introduced

Note: - Intel plans on releasing two versions of the Coppermine Pentium III 600MHz. The only difference will be the front side bus speeds. One will be set for 100MHz and the other at 133MHz.

Mainstream 1
Price Range: $1,000-$1,200

• Q3 1999: Pentium III 450MHz/Pentium II 400MHz; 100MHz FSB; 440BX/ZX 66/100MHz FSB & introduction of 810e
• Q4 1999: Pentium III 500MHz; 100MHz FSB; Intel 810e 100/133MHz FSB & Intel 820 introduced
• Q1 2000: Pentium III 533MHz; 133MHz FSB; Intel 820 133MHz FSB & 810e 133/100MHz FSB
• Q2 2000: Pentium III 600MHz; 133MHz FSB; Intel 820/810e & Solano 133MHz FSB introduced

Note: - Pentium II 400MHz to be phased out by the end of Q3 1999.