Guaranteed 100% compatible.
Built by a Major DRAM Manufacturer
Built by Samsung Semiconductor
IBM Original Qualifies for Service Contracts
This upgrade is 100% guaranteed to work in the following IBM system:
ThinkCentre A51p 8420 | ThinkCentre A51p 8422 | ThinkCentre A51p 8423 | ThinkCentre A51p 8427 |