https://blog.alansoon.com/technology-gadget-software/with-apc-bk500ei-ups-there-will-be-no-fear-of-data-corruptions-during-power-outage-for-your-precious-synology-nas-data-it-gadget-review
With APC BK500EI UPS, there will be no fear of data corruptions during power outage for your...
Aug 5, 2018 - APC BK500EI UPS (Uninterruptible Power Supply) is a backup power device that allows the Synology NAS to continue operating for a short time if power failure...