Welcome to addlink Support

NAS SSD

What’s Different between consumer SSD and addNAS SSD?


addNAS SSD comes with controller and 3D TLC flash specifically selected which enhance addNAS reliability & endurance and limit the damage of a sudden power loss.




What is SSD Caching?


SSD Caching is the process of storing temporary data on the SSD’s flash memory chips. If you are only using the HDD for the NAS storage, the system performance of HDDs will be far lower than SSDs.With SSD cache is a cost-effective way of improving Random Read/Write Performance.




How to use SSD Caching?


Most of different NAS comes with read-only, write only, or read-write cache mode.

Read Only mode: To improve the random read performance. At least one SSD must be installed.

Read-write Cache mode: Provides faster the random read and write speed. At least two SSDs must be installed.




Benefit of SSD Cache


  1. Improve the performance of Random Access to a small portion of data that is frequently accessed in the storage space
  2. Reduce Latency of the NAS
  3. Maximized NAS capacity.




SSD Cache Benefit the Application scenarios:


  1. Multiple client’s concurrent access
  2. Video Editing
  3. Webserver
  4. Mail Services
  5. Database application
  6. File Server
  7. Virtualization storage




Determining the SSD Cache


If you or your office members accessed file is 400GB daily, the corresponding SSD Cache size should be 400 – 600 GB to ensure that all hot data can be accommodated.




Why can’t I use NVMe PCIe/M.2 SSD for storage?


Some NVMe PCIe/M.2 slot in NAS is for cache only, instead of storage.




Why does the speed of addNAS SSD test differently from the advertised speed?


The speed that addlink announced is according to inside test by CrystalDiskMark benchmark tool.

The NAS Speed may vary depending on your SSD Capacity, NAS device, network configuration, and difference in test environment setups.




Must storage drives in a RAID array be identical?


No.

It will have no problem to use SSD/HDD from different manufacturers, model numbers, sizes, and speed.




Why is it commonly believed that storage drives must be identical?


There are several factors that are likely contributors to the point that SSD/HDD must be identical.

  1. When you create a RAID array using SSD and use dissimilar drives. if you choose to combine a 1TB drive with a 2TB drive, you can only utilize a maximum of 1TB of 2TB drive in array resulting in nest loss of 1TB of space.
  2. If you chose to use a SATA III Hard drive and a SATA III SSD. It will work, but you would lose the advantage of any faster drivers.




addNAS SSD Target & Support Models


addlink addNAS SSD support Synology, Qnap, & Asustor NAS. And target Home, Soho, & SMB Users.





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