Discount group

•  Discount Group A (3)
•  Discount Group A+ (2)

Channels

•  8 (2)
•  9 (1)
•  16 (6)
•  32 (3)
•  64 (1)
•  128 (1)

HDD support

•  2 (1)
•  4 (1)
•  8 (1)

HDD capacity

•  8 TB (2)
•  12 TB (1)

Incoming bandwidth

•  128Mbps (2)
•  160Mbps (1)
•  256Mbps(180Mbps Ai) (1)
•  320Mbps (3)
•  370Mbps (3)
•  384Mbps (2)
•  384Mbps(200Mbps Ai) (3)

Alarm in

•  8 (1)
•  16 (2)

Alarm out

•  2 (1)
•  4 (2)

Power supply

•  12V DC (2)
•  100~240V AC (1)

Casing

•  1U (2)
•  2U (1)