WD 4TB HDD for security surveillance

Western Digital (WD) has brought a new line up of Purple Hard Disk with 4 TB storage capacities. This specially made HDD is perfect for video surveillance since it does not drop a single frame from the stored video. It also sports 6X faster read and 2X write capacity than any conventional HDD. The HDD also comes with 64MB of cache memory. 

Price: Tk. 15,000/- 
plus 3 years warranty.