A big analysis of hard disk storage technology

[ Huaqiang Security Network News ] Now, with the development of social science and technology, hard disk storage technology has shown a bright spot in the past in all aspects. For example, the hard disk is particularly excellent in vibration reduction and mute. The unique (IntelliSeek) intelligent seek technology is used to optimize the seek speed, and the energy consumption, noise and vibration are reduced, and the operation of the actuator is more effectively controlled. It is crucial for the head to accurately touch the next sector to read new information. In terms of fluency of operation, the power consumption of the hard disk is reduced by about 60%, and the seek operation is quieter and the vibration is greatly reduced. Second, SilkStream technology optimizes smooth, continuous digital video recording and playback to support up to 12 HD video streams, as well as liquid bearing motors to reduce noise and improve reliability. Advanced power management features ensure superior electronic components. Low power consumption to meet the need to reduce power consumption and increase reliability. Ramp Load technology ensures that the head is parked when the drive is started, stopped, and not working. In addition, the multi-layer cast stainless steel housing and precisely designed base minimizes operating noise. Currently, the tested hard drive produces less than 1 Sone (15 decibels) of noise, and the human ear can hardly hear anything. At present, the characteristics of hard disk products can be summarized as follows: reliability, low power consumption, low heat dissipation, and high shock resistance.
Hard disk storage
1. Long-term reliability (1) Industry-leading 1 million hours MTBF;
(2) Designed for surveillance video system with continuous 24X7 high temperature operation (0-70 degree disk temperature);
(3) SilkStream technology supports streaming media commands, supports ATA7, adopts CCT optimized for audio and video recording and playback, and provides optimization for long-term reading and writing of audio and video data, improving the stability and reliability of audio and video reading and writing.
2. Low power consumption and low heat dissipation (1) IntelliSeek function optimizes seek speed and reduces noise/power consumption/vibration;
(2) 1.5 amp ultra-low starting current, reducing the impact of the hard disk power on the power supply.
3. High vibration resistance
The RampLoad ramp loading technology keeps the head from touching the disc, improving the long-term reliability of the hard drive while greatly improving the non-operating shock resistance of the hard drive.
4. Streaming media optimization Streaming media has three major points: continuity, real time (realtime) and time series. It is the most suitable carrier for storing security surveillance recording video. SilkStream is a feature developed by the AV series hard drive for streaming media. It is optimized for smooth continuous digital video playback and supports up to 12 concurrent HD digital video streams. SilkStream is compatible with the ATA stream control instruction set for users. Provides standard flow management and error recovery. This technology addresses fragment-related quality of service issues, so performance does not degrade over time, and improves hard drive reliability, reduces on-site DVR system failures, and reduces hard drive task load.
Hard disk storage technology applications Currently, hard disk capacity is suitable for audio and video applications such as digital video recorders and surveillance imaging systems, including digital video recorders, IP gateways and mainstream surveillance systems, often requiring hard drives to operate 24 x 7 and compared to individuals. Computers have more stringent requirements, such as higher reliability and compatibility, lower power consumption, and the ability to record multiple audio or high definition video streams simultaneously. In consumer applications, digital video recorders must deal with harsh environments and usage profiles, which means that they are equipped with hard drives that consume less energy, generate less heat, and operate quietly, making them more suitable for market applications.
By reducing the aerodynamic drag by automatically unloading the head when idle, the operation of the read/write channel electronics is suspended, thereby reducing energy consumption. In addition to the technology to ensure quietness, the multi-stage stainless steel top cover and precision-designed basic accessories are used to minimize the sound of the hard disk during operation, and to cater to the sensitive characteristics of consumer applications. The application of technology in the field of audio and video monitoring and the development of storage green energy conservation are of great significance.

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