LITE-ON SSD

 

FAQ


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  • Q: What are SSD?
    A:

    SSD stands for Solid State Disk, a product that is mainly made of solid state parts, without any mechanical moving parts. SSD that are found in the market today are made using FLASH Memory, although there are still some SSD that are made using combination of RAM with some form of battery backup and FLASH.

  • Q: What is FLASH Memory?
    A:

    FLASH memory is a non-volatile computer storage chip, it can be electronically program and erase. FLASH memory is primarily used in memory cards, USB flash drive, solid-state drives .

  • Q: How is FLASH Memory differing from regular memory?
    A:

    FLASH memory, like EEPROM, can indefinitely store the data even if power source are remove, whereas DRAM that are used in computer, losses the data once the power is remove.

  • Q: Are FLASH Memory and SSD the same thing?
    A:

    Technically they are not the same, SSD are classify as drive category, while FLASH are classify as memory technology, while most of the SSD in the market today are made of FLASH memory to store data, instead of rotating disk medium like hard disk drive, people often use both terms interchangeably.

  • Q: Are SSD better than the traditional hard disk drive?
    A:

    Yes and no. SSD are by far faster than the traditional hard disk drive, due to its design using solid state materials, unlike the traditional hard disk drive that still employs servo motor (spindle) and mechanical arms for seek and write. The only tradeoff in SSD is the capacities, but as technology improves, it will be a matter of time before SSD match the terabyte capacity of hard disk.

    Also in terms of energy cost, SSD consume less power than hard disk, since there are no moving parts involves.

  • Q: What is the other advantage of SSD?
    A:

    Weight, speed, robustness are among the few advantages, speed such as boot time is typically half of that required for a hard disk. Read and write speed is several times faster than the hard disk.

    Energy saving and eco-friendliness is a wow factor, SSD consume less energy to operate, energy require for boot up or wake up is zero compare to hard disk that will require spindle motor to boot, speed up, then the seek arm to move and access data.

    Reliability is also the biggest factor in the quick adoption of SSD; as no moving part is require by SSD, the product is reliable even when bump and shock occurs.

  • Q: Are all SSD made equal?
    A:

    No, not all SSD are made equal, there are different categories of FLASH memory, and occasionally a newer technology is invented, thus expanding the variant.

    Today, the marketplace is serves with two types of FLASH memory, the SLC (single level cell) and MLC (multi-level cell).

  • Q: How do I know which SSD is right for me?
    A:

    SSD like hard disk, are market with a benchmark, many of these benchmark will show a significant difference between brand and model, some of these benchmark will provide misleading information. Therefore when selecting a SSD, three main factor to look for,

    • The FLASH memory use, does the vendor indicate which brand of FLASH is being used? What type? The reliability, the quality and the performance of the product will pretty much be told by this information.
    • The controller used, if the FLASH is the heart of the product, the controller is the brain of the product, a server grade controller like the one made by Marvell will ensure reliable and consistent performance.
    • The firmware, this is the soul of the product, this indicates what the product will do and can do for you, a good design firmware guarantees the FLASH and the controller will work all the time without failure. This is the intangible part of the product.
  • Q: What are the difference between SLC and MLC?
    A:

    Single level cell stores memory in single level cell, which result in faster, reliable and lower power consumption. Whilst MLC stores memory in multiple levels per cell, this allows each cell to store more data (bits) than the single level. Therefore in the same form factor comparison, MLC store more data than SLC, and in cost comparison, MLC cost less than SLC on a per GB basis.

  • Q: How do I know if my SSD will really help in performance?
    A:

    In everyday we process information with our computers, four process occur with our storage, (1) the write or data being written into storage, (2) the read or the data being access for use or process, (3) the modify or data being update with newer information, and (4) the delete or data being wipe off from storage.

    The bottleneck or constraint is in the write function, the longer it takes to write your data into the storage, the longer the wait for your computer to do the next process. The faster it writes the data into the storage, the more tasks can be accomplished by the computer. Therefore consistent write performances in a SSD such as LiteOn TrueSpeed SSD guarantee performance and efficiency.
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LITE-ON Storage is a global leader in the design, development and manufacturing of Solid State Drives (SSDs) and Optical Disk Drives (ODDs)