Kingston Technology 256MB MMCplus. Capacity: 0.25 GB, Flash card type: MMC, Read speed: 11 MB/s, Write speed: 7 MB/sKingston Technology is the world’s independent memory leader and is well-known for providing high quality memory products at an attractive price. System Specific memory modules are designed and tested in the relevant systems prior to release; and they are guaranteed to be 100% compatible with your system. All Kingston System Specific memory come with a lifetime warranty.Warranty: lifetime warranty