Larger sites — small business chains, warehouses, or properties with multiple NVRs — need a storage backbone that can keep up with more cameras, longer retention requirements, and more simultaneous backup jobs than a basic 2-bay unit can comfortably handle. The DS420+ offers four drive bays with support for RAID 5 or RAID 6, meaning the system can tolerate one or even two drive failures without losing data, plus meaningfully more usable capacity for long-term footage retention across multiple sites or recorders. Its more capable processor and additional RAM headroom (expandable) mean it can run Surveillance Station alongside other services — file backup, a small business’s shared drives, even light virtualization — without becoming sluggish, which matters when it’s serving double duty as both a security backup and general IT infrastructure. Two Gigabit Ethernet ports support link aggregation for higher network throughput when several devices are pulling or writing data simultaneously. This is the right recommendation whenever a client is running more than one NVR, wants long-term (months+) retention, or is treating the NAS as core business infrastructure rather than just a camera backup.
Key Features:
- 4 drive bays, RAID 5/6 support for fault tolerance
- Higher-performance processor, expandable RAM
- Dual Gigabit Ethernet with link aggregation
- Runs Surveillance Station plus general business storage
- Suited for multi-NVR or multi-site installations
- Long-term footage retention capability
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