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:
ThinkPad A30p 2653 | ThinkPad R30 2656-xx | ThinkPad R31 2656-xxx | ThinkPad R31 2657-xxx | ThinkPad T23 2647-xxx | ThinkPad T23 2648-xxx | ThinkPad T23 TT3-xUK | ThinkPad X22 2662-xxx | ThinkPad X23 2662-xxx | ThinkPad X24 2662-xxx | ThinkPad X30 2672-xxx |