The DSA-N2B20 iSCSI Disk Array Series is Bosch's second-generation digital video disk array that manages the ever-growing amount of digital video data in the most demanding digital video storage applications in the security industry. The DSA-N2B20 is a NetApp company-branded FAS series FAS 2020 that provides an outward-extending network storage solution. This solution provides excellent security, high “out-of-the-box” scalability, reliable data protection, and simplified management for all of your video data.
The DSA‑N2B20 is a second‑generation Bosch digital video disk array designed for demanding video surveillance storage. It supports up to four expansion chassis, offering a total of 12 × 1 TB SATA‑II drives in the basic unit and optional RAID‑4 or RAID‑DP protection for high capacity and high availability.
Management is performed via a web‑based GUI or command‑line interface, with dual hot‑swap redundant power supplies, dual gigabit Ethernet ports, and full SNMP monitoring. The system can handle up to 128 concurrent iSCSI connections and provides up to ~7 TB of usable storage in RAID‑4 configuration. This manual is written in Chinese.
| Maximum disk drives (basic unit) | 12 × 1 TB SATA‑II |
|---|---|
| Maximum net capacity (RAID‑4) | ~7 000 GB |
| Measured input power (100‑120 V) | 332 W |
| Dimensions (H×W×D) | 89 mm × 447 mm × 572 mm |
| Weight | 27.2 kg |
| Operating temperature | +10 °C to +40 °C |
| Ethernet ports | 2 × 10/100/1000 Mbps |
| RAID protection | RAID‑4 and RAID‑DP |
| Maximum concurrent iSCSI connections | 128 |
It supports RAID‑4 and RAID‑DP (dual parity) protection for data reliability and availability.
The DSA‑N2B20 can support up to 128 concurrent iSCSI connections.