Asslam-o-Alikum,

Please aap agar in Rams ke baare me bata dein k in Rams (SD, DDR, DDR2, RD) ki Bus speed kia hai aur in me se behter kon see hai aur ye kin kin boards per lag saktee hain khas ker RD ram kis board per lagti hai aur kis per nahee lagti hai is ki Bus speed kia hai.

Thanks,

Hero