ds1817+ or ds1819+

ds1817+ or ds1819+

After about 2 years of service my ds1815+ fi,nally died (as expected!). My dealer has been very helpful, and has offered a ds1817+(8GB) or a ds1819+(4GB) as replacement. For some reason the ds1817+ (2.4GHz Atom C2538) is listed at about $80 more than the brand new ds1819+ (2.1GHz Atom C3538). Which one should I choose?

There is no noticeable difference between 1817+ and 1819+ unless you upgrade to 10GbE or link aggregate 4 LAN ports at the back (achieving 50% faster write speeds). Also, Synology may struggle with a availability for new models at a very early stage of release. The only reason to go for 1819+ is that you can upgrade the RAM to ECC type which is very useful for virtual machines/ web/ DB server.

New Gen3 x8 slot will support NVMe caching which is amazing improvement. DS1817+ was limited to SSD (550MB/s) SATA speed. New DS1819+ allows NVMe (potentially 3000MB/s) for internal speed increase and higher IOPS. This is useful for those willing to run web/database server.

Otherwise old model is just a better value for money as they have dropped the price.

You are comparing 4GB and 8GB NAS models- this is why it seems like DS1819+ is cheaper. Both NAS models will be very similar in price and most likely older model will be cheaper to clear the shelves.

 

Potential speed comparison

DS1817+ Fully loaded with Intel 535 Series 240GB SSDSC2BW240H6 SSD (10GbE network environments)

 

DS1819+ Fully loaded with Intel 535 Series 240GB SSDSC2BW240H6 SSD (10GbE network environments)

Random IOPS

Aggregated 1GbE SMB – Sequential Throughput (64KB)

  • File System: Btrfs
  • Aggregated 10GbE SMB and 10GbE iSCSI Network Environments:
  • 1GbE Network Environments: Link Aggregation is enabled for Sequential Throughput tests; MTU 1500; connected to client PCs via HP 2530-48G switch

 

PCIe difference

 

 


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