ASUSTOR made an excellent NAS with the AS6508T with the upgradable RAM, dual M.2 slots, 2.5Gb and 10Gb LAN connections, and a small LCD display.

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ASUSTOR AS6508T review: A great 8-bay NAS with super-fast 10Gb LAN ports - AS6508T

https://www.windowscentral.com/asustor-as6508t-nas-review