Compaq brings you the best in new technologies and helps you to keep pace with a quickly developing computer world. The cache memory modules increase the overall performance of the systems central processor unit storing the most frequently used information thus optimizing the time needed to access the instructions or less frequently data.Primary InformationCache Memory Type : L2 cache Cache Memory / Storage Capacity : 256 MB Slot(s) Required : 1 x memory PC Compatibility : PC; Unix Special FeatureCOO : United StatesMexico TAA : Yes UNSPSC CodeUNSPSC Code : 32101601 Product IDUPC: 720591164843Manufacturer Part: 254786-B21