now more and more laptops are starting to use sshd Hybrid Drive, what about sshd solid state hybrid drives? where is the advantage? This article will bring you a detailed introduction of sshd Hybrid Drive, as well as the current encounter of sshd fault data recovery ideas.
First, what is sshd hybrid drive?
As the name implies, a combination of a mechanical hard drive and a solid-state drive, the hybrid drive uses smaller flash particles to store commonly used files, typically between 8 and 16GB in capacity. HDD built-in flash memory cache (SSD). Solid-state hybrid drives add a small amount of fast, affordable NAND flash memory based on traditional hard drives. While disk is the most important storage medium, flash memory only plays a buffering role, save more common files in flash memory to reduce seek time and improve efficiency. The main set of traditional hard disk and SSD: fast speed, large capacity, reasonable budget. The advent of solid-state mixed-disk (SSHD) technology provides a way for users to achieve higher device performance, richer applications, and greater contributions-and it is achieved at a reasonable price.
second, the market common sshd HDD brand, type?
Seagate's MOMENTUSXT technology is currently the most popular, and Toshiba and West Digital, Samsung also have their own sshd products.
Third, where is the advantage of sshd?
As we all know, the SSD speed is fast enough, but the capacity is small, the price is expensive, HDD although the speed is general, but the capacity is big, cheap enough. The emergence of sshd is intended to balance the sharp relationship between price, capacity and performance.
HDD : Large Capacity
SSD : High Speed
SSHD : Capacity, performance, and value
Solid-state hybrid drives add a small amount of fast, affordable NAND flash memory based on traditional hard drives. The strengths of traditional hard drives and SSDs:
Get the extraordinary speed of your SSD
Combines the advantages of high-capacity and high-reliability of traditional hard drives
Introduction of Adaptivememory technology, the secret lies.
It is well known that SSD in order to speed up on the hard disk board to carry a flash chip to accelerate the goal, but often this chip problem will lead to your valuable data loss, the following is a real customer's sshd problem after the data recovery method:
Customer is a 500G Seagate Sshd, which is currently widely used in the notebook market, customer use process has not been the bump and external factors caused by physical damage, just after a casual shutdown can not start, the customer after contacting us to bring the hard drive to detect. Hard disk performance failure for power-free response, generally we will think that the board is broken, perhaps the head burned. Because it has been in contact with the fault of the processing method, judge this should be the PCB board Flash has a problem, the disk has been in the power state for a long time to place you will find that the disk can be turned, but it is certainly not possible to recognize the disk.
If we deal with the idea of dealing with the hard disk before, it must be to find the same model can replace the board, and then the failure disk ROM chip to transplant the past can be, but this disk using the above method is certainly not applicable, the key problem is the FW version of the fault disk above. The earliest contact with the failure of this disk to try to replace the other board directly replaced ROM chip, but not the normal identification, and then locked the problem in the FW version above, because sshd more flash chip on the board, perhaps only the same version of the Board Flash chip internal program is consistent, At that time just imagine, try to buy the same version of the board when the FW, found that the same version of the accessories is not very easy to find, the end customer said their company purchased the same batch of notebooks are sshd hard drives, the end customer in the company to help find a firmware version of the same hard disk, replace ROM chip, Access device found to be able to identify the hard drive, the data successfully restored success.
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SSHD hybrid drive and corrupted data recovery ideas