TechPowerUp posted a review on the Synology DS416j Surveillance Bundle
A quote from the article:
The combination of an affordable NAS like the Synology DS416j, along with a couple of good IP cameras and a pair of reliable HDDs can offer enhanced surveillance capabilities. Synology's Surveillance Station software plays a key role in this, since it is one of the most advanced surveillance apps.Synology DS416j Surveillance Bundle @ techPowerUp