Acard's ARS-3000 RAIDbox series is designed to facilitate storage expansion of DVR / DAR / Media Streaming systems with a SCSI or eSATA host expansion bus, and where suitable may be used to satisfy other storage requirements.
The ARS-3010S features four 3.5" SATA disks configurable as JBOD or Normal (nRAID), and provides a simple way of expanding DVR or NVR capacity over a SCSI interface.
Features
Specifications

The ARS-3402 features two 3.5" SATA I/II disk slots configurable in RAID 0, 1 or Normal (nRAID), and provides a simple way to expand DVR or NVR capacity via an eSATA interface.
Features
Specifications
SATA
RAID
Management
The ARS-3604R featuresfeatures four 3.5" SATA I/II disk drives configurable in RAID 0, 1, 5, JBOD and normal (nRAID), and provides DVR with a simple way to expand DVR or NVR capacity via an eSATA interface.
Features
Specification
SATA:
RAID:
Management:

The ARS-3405R features five 3.5" SATA I/II disk drives configurable as RAID 0, 1, 5, JBOD or normal (nRAID), and provides a simple way to expand DVR or NVR capacity via an eSATA host interface.
Features
Specifications
SATA:
RAID:
Management:
* Host interface must support SATA Port Multiplier

The ARS-3408R / ARS-3408J features eight 3.5" SATA I/II disk drives configurable in RAID 0, 1, 5, JBOD and normal (nRAID), and provides a simple way to expand DVR or NVR capacity via an eSATA interface.
Features
Specifications
SATA
RAID
Management