Hot Hardware published a review on the Building Your Own DIY Surveillance System With Synology DiskStation A quote from the article:

Modern video surveillance systems with video recording capabilities can an be an expensive proposition, especially if you contract out installation and service. However, the combination of a high-capacity storage device, like a Synology DiskStation NAS (Networked Attached Storage) and IP surveillance cameras is a great way to add a layer of security to monitor your home or business. The DiskStation, like any Network-Attached Storage (NAS) device, can be used in a variety of ways ranging from simple network storage to a media server. Today, however, we will examine how anyone can configure their own DVR surveillance system using a Synology DiskStation DS416j and their IP cameras of choice?

 Building Your Own DIY Surveillance System With Synology DiskStation @ HotHardware