very fast delivery so thumps up for that flipkartcoming to the product i got it for 3999 for 15tb you will get around 13 tb usable space transfer speeds are very goodpc to drive 100110 mbps when single file of 2 gb was transferred when multiple files total size was 138 gb were transferred lowest was 60 mbps and avg speed was 70 mbpsdrive to pc always over 120mbps regardless of the file size very little vibration only when you touch it is there as there is a rotating mo