Synology DiskStation DS920+ 4-bay NAS Review

1. Introduction2. Synology DiskStation DS920+ / Packaging & Bundle3. Synology DiskStation DS920+ / Design4. Synology DSM5. Usability6. Testing Methodology7. ATTO Disk Benchmark8. Intel NASPT9. IOMETER10. Encryption Performance11. Workload Scenarios12. PCMark 10 Data Drive Benchmark13. Real Life File Testing14. Power Consumption15. Closing Thoughts16. View All Pages

We tested the DS920+ with a number of scenario's that it may face in the real world. The settings for these scenarios are as follows.

File Server
512MB file size, 16KB Block size, 80% Read 20% Write 100% Random, I/O queue depth 128

Web Server
1GB file size, 16KB Block size, 100% Read 0% Write 100% Random, I/O queue depth 64

Workstation
Transfer Size: 8K Reads: 80% Writes: 20% Random: 80% Boundary: 8K Outstanding IO: 64 Threads/Workers 4

Database
2GB file size, 4KB Block size, 90% Read 10% Write, 90% Random, 10% Sequential, I/O queue depth 128

Media Streaming
160GB file size, 64K Block size, 98% Read 2% Write, 100% Sequential, Boundary: 4K, I/O depth 64, Threads/Workers: 8

Digital Video Surveillance
160GB file size, 128K Block size, 90% Read 10% Write, 100% Sequential, Boundary: 512K, I/O depth 64 Threads/Workers: 8

We also tested the DS918+ in a few scenarios it might be used for in an office environment. It produced average bandwidth speeds of 137.35MB/s and 112.01MB/s for the File Server and Web Server tests respectively, 50.22MB/s for the Workstation test and 112.43MB/s when tested with the Database trace.

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