IBM Intel Xeon E5640 4C 2.66GHz 12MB Processor Option for System x3550 M3 (feature 4602)

At 2.66GHz, the IBM Intel Xeon E5640 4C 2.66GHz 12MB Processor Option (MPN 59Y4008) is a quad-core with a 12MB cache and an 80W TDP. The memory speed rating is 1066 MHz.

It installs in an IBM System x3550 M3 and carries feature code 4602.

Buyers upgrading an older host often look at this kind of part because the 12MB cache and 2.66GHz clock together give a solid gain over low-clock parts. Refurbished stock has a choice of 1 year or 3 years of warranty, and used stock carries 90 days. Ask us for pricing.

The 1066 MHz memory rating sets the ceiling for the memory subsystem, so fast modules gain nothing here beyond that rate. It is a sensible, balanced choice for general application servers.