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Synology Diskstation DS416j NAS Review


Synology DiskStation DS416j NAS Testing: 

There are two aspects concerning the operation of the Synology DS416j we need to examine next and that concerns the cooling performance and power consumption of the system.


The Synology DS416j is cooled by dual 80mm x 80mm fans that are designed to run in two modes - quiet and cool. For the tests, I kept the fans on quiet mode as a normal user would and set up the Intel NAS Performance Toolkit to run while the volume was in RAID 1. When the tests were nearing completion, I checked the temperatures of the hard disks under the Storage Manager via the S.M.A.R.T. settings. Each one is shown in the graph below along with the ambient temperature of the testing room.

Ambient Room
27 °C
27 °C
S.M.A.R.T. Drive 1
37 °C
49 °C
S.M.A.R.T. Drive 2
38 °C
51 °C
S.M.A.R.T. Drive 3
38 °C
49 °C
S.M.A.R.T. Drive 4
37 °C
47 °C



As you can see from the temperatures, the cooling of the dual fans are very efficient and keep the Synology DS416j at nice working temperatures. Also to note, the noise level of the fans is not very noticeable. During the test, the NAS was sitting next to my desk and I never heard the fans like I do on my servers.


RAID Data Protection:

The Synology DiskStation DS416j is a four drive bay system that can support up to four 8TB drives. For the RAID options, you can choose from either one or a mixture of RAID 0, 1, 5, 6, 10, or Synology Hybrid RAID. To test the ability of the DS416j to recover from a typical failed drive in Synology Hybrid RAID setup of a RAID 5 of sorts, I copied over 9GB of random files to show true "usage" and I simulated a "failure" by removing a disk drive from the unit while powered on. Since the server supports hot-swapping drives, you can remove and replace drives without having to power the unit down. I then replace the "failed" disk with the removed disk formatted and measure the time it takes to fully recover from the failure. The RAID volume took 15.1 hours to rebuild, which is really good considering the drives are 8TB a piece.




RAID Expansion/Migration:

The Synology DS1515+ also offers RAID Expansion/Migration seamlessly. From the volume section, you can choose to change the RAID type to another (your data will be deleted) or you can expand the disks in the RAID to add more space or redundancy with little effort.


Now that we have recovered the RAID and expanded it, we can move on to the conclusion.

  1. Synology DiskStation DS416j NAS: Introduction
  2. Synology DiskStation DS416j NAS Closer Look: Installation
  3. Synology DiskStation DS416j NAS Closer Look: Initial Setup
  4. Synology DiskStation DS416j NAS Closer Look: Web UI & Control Panel
  5. Synology DiskStation DS416j NAS Closer Look: Control Panel (Continued)
  6. Synology DiskStation DS416j NAS Closer Look: Start Menu
  7. Synology DiskStation DS416j NAS: Specifications & Features
  8. Synology DiskStation DS416j NAS Testing: Setup
  9. Synology DiskStation DS416j NAS Testing: CrystalDiskMark 5.1
  10. Synology DiskStation DS416j NAS Testing: Real-time Transfers
  11. Synology DiskStation DS416j NAS Testing: Intel NAS Performance Toolkit
  12. Synology DiskStation DS416j NAS Testing: Operation & Features
  13. Synology DiskStation DS416j NAS: Conclusion
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