VisionTek 1GB DDR2 667 MHz (PC2-5300) CL5 DIMM, Desktop Memory - 900432 Memory type: PC2-5300 Data Rate: 667 CL5 Density Per Module 1 GB 667MHz, 5-5-5-15, 1.8V, with Intel and AMD support Ultra-high performance for Intel and AMD platforms Lifetime warranty: This DDR3 memory kit is built to last under the most demanding, processor intensive environments, and is backed by a limited Lifetime warranty