Dell DR397 4GB (1x4GB) 667Mhz Poweredge 1900 1950 1955 2900 2950 R900 T5400 Memory Pulled from functioning environment. Fully covered by A to Z warranty Same day shipping if purchased before 4PM CST, Monday through Friday One year end user warranty Please contact Core 4 Solutions for questions about expedited shipping, item condition, warranty etc. Core 4 Solutions has served over 18,900+ satisfied IT buyers.