Synology Products

(Model: DS1522+)

https://www.synology.com/en-global/products/DS1520+#specs

(Model: DX517)

(Model: DS1621xs+)

https://www.synology.com/en-global/products/DS1621xs+#specs

(Model: DS1621+)

https://www.synology.com/en-global/products/DS1621+#specs