It is reported that Samsung hard disk has officially shipped to the domestic surveillance industry 3TB package of 2TB products, this section of the hard drive using the most advanced single-disc 667G recording technology, cache 32M, interface for SATA3.0Gb / s. The current 2TB hard disk on the market is still in the stage of single-disc 400G or single-disc 500G, and Samsung is at the forefront of this single-disc 667G. With only three discs, the HDD's power consumption performance will be even more prominent. It will reduce the power consumption by 25% compared to the 2TB hard drive of the platter 500G. This is undoubtedly a good news for customers who are worried about the high temperature of the DVR HDD. Thanks to the latest disk recording technology, this drive has a longer MTBF (continuous failure-free operation time of 600,000 hours). The product model is HD204UI/CEC, which is a special series for high-definition video surveillance.