Hello Friends, Now I am telling about External Portable Hard Disk. Now these Day everybody want to More memory to store his data. External Hard disk remove that problem now many Portable Hard Disk available in the Market but Samsung M3 1.5 is the Quality Hard Disk. The speed of the Data transfer is very good and case of the Hard disk is very attractive with 3 year manufacture warranty samsung provide best service to their customers. The Performance of the Hard drive is very good and we know very well about samsung is the best.