[DSM 6.2.2-24922]

- Outcome of the update:  SUCCESSFUL

- DSM version prior update: DSM 6.2.2-24922

- Loader version and model: Jun v1.03b - DS3617xs

- Using custom extra.lzma: NO

- Installation type: ASRock Z370M-ITXac (built-in WiFi card removed) + i3-8100T

- Additional comments: reboot by itself

[Finally planning a new build NAS.]

I guess you should try to install 3615 or 3617 on your Dell R410 as 918 is mainly for latest hardware.

[DSM 6.2.1-23824 Update 6]

- Outcome of the update:  SUCCESSFUL

- DSM version prior update: DSM 6.2.1-23824 Update 4

- Loader version and model: JUN'S LOADER v1.04b - DS918+

- Using custom extra.lzma: NO

- Installation type: ASRock Z370M-ITXac (built-in WiFi card removed)

- Additional comments: No reboot needed