Part Number: 81Y5187. PART NUMBER: 81Y5187. COMPATIBILITY: IBM FLEX SYSTEM X240. CPU FREQUENCY: 2.2GHZ. CPU MAX TURBO FREQUENCY: 3.0GHZ. KIT INCLUDES: ( 1 ) ONE CPU ( 1 ) ONE HEATSINK. IT Creations have joined VMware Professional Partner network to expand growing portfolio of services.