sd memory cards 1.Grade:class4,class6,class10 2.Perfect after- ... .Transfer speed: read 10~20MB/S write 4~18MB/S sd memory cardsSpecs: ·No. of Pins:9·Operation Voltage:3.3V ... Initiative (SDMI) portable device requirements. ·Device requirements included Digital Camera, PDA,Mobile Phone, MP3, Handheld PC (HPC),Pocket PC (PPC), ... SDA specific ationsStandards:FCC,CE and ROHSWarranty :5 years SD Memory Cards