DS-A81024D
Network Storage Device
  

    Economical and Stable Hardware Platform

              Modular and no-cable design and SBB 2.0 structure.

              64-bit multi-core processor.

              4 GB high-speed cache.

              Two 1000M network interfaces.

              6G SAS high-speed transmission channel.

              Redundant design for key modules.

    HDD Detection and Repair/RAID Optimization

              Detection before operation.

              Detection in operation.

              Fault reparation.

              RAID 0, 1, 3, 5, 6, 10, 50, and VRAID.

              Global and local hot spare.

              Supports building RAID with surveillance-class HDD.

              Quick RAID building.

            Capability of cascading up to two storage enclosures behind a single SAS port.

Model
Model: | DS-A81024D
Performance
Recording Mode:video(2Mpbs)+Picture: | 320-ch recording + playback
IPSAN: | 180-ch recording + playback
Controller
Processor: | Dual controller (64-bit multi-core processor)
Cache: | Each controller: 4GB ( Can be extended to 8G)
HDD
HDD Slot: | 24
Interface/Capacity: | SAS,NL-SAS/1TB,2TB,3TB,4TB,6TB
Hot-swapping: | Supported
RAID: | RAID0,1,3,5,6,10,50,JBOD,Hot-spare
Interfaces
Data network interface: | Each controller
4, 1000M Ethernet interface.(8 x 1GbE,2 x 10GbE, or 2 x 8GbF is extendable )
Management network interface: | 1, 100M Ethernet interface
MiniSAS interface: | supported
COM: | Each controller: 2,1 for hyper terminal, 1 for mobile alarm or UPS
USB: | 2 per controller
VGA: | None
Network
Protocol: | iSCSI,RTSP,ONVIF,PSIA
General
Power supply: | Gold-metal redundant power supply
Comsumption ( with HDDS ): | Working: ≤507W (1729 BTU with 24 HDDs)
Rated: ≤880W
Environment Temperature: | Working: +5°C to +40°C
Storing:-40°C to +55°C
Environment humidity: | Working: 20% to 80%RH (non-condensing/frozen)
Storing:5% to 90%RH (non-condensing/frozen)
Chassis: | 4U (19-inch height)
Dimensions (W x H x D): | 447 x 172 x 550 mm
Weight (without HDDs): | ≤ 33.5Kg

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