Part Number: 69Y5679. PART NUMBER: 69Y5679. COMPATIBILITY: IBM SYSTEM X3550 M4. CPU FREQUENCY: 2.2GHZ. CPU MAX TURBO FREQUENCY: 3.0GHZ. KIT INCLUDES: ( 1 ) ONE CPU ( 1 ) ONE HEATSINK ( 2 ) TWO FANS. IT Creations have joined VMware Professional Partner network to expand growing portfolio of services.