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The Astek A41612-ENC utilizes state of the art Gen3 Serial Attached SCSI (SAS) expanders operating at up to 12Gbps, to provide a light weight compact JBOD with industry leading performance.  Based on Astek’s innovative SAS expander board, combined with a precision machined chassis, and a unique 'sled-less' disk mounting mechanism these enclosures can hold sixteen 2.5” hard disks, including Solid State Disks and high-performance SAS hard disks from 6mm to 14mm.


The A41612-ENC makes an ideal storage test enclosure.  The configuration between the expander board and storage backplane can be changed by simply reconnecting the SAS internal cables.


The A41612-ENC provides four Mini-SAS HD external SAS x4 wide-port connections, each supporting up to 48Gbps of I/O, active and optical cables and these ports can be combined for up to 96Gbps of total throughput from host(s) to media. Each port can be connected either to a separate host, or they can be used to connection to an external SAS bus expander or another A41612-ENC, allowing system designers to cascade multiple enclosures to further increase the total available storage. The expander also supports DataBoltÔwhich allows bandwidth optimization to support existing 6Gbps SAS and SATA media.



Compliance ANSI T10 SAS specification 3.0
Data Transfer Up to 192Gb/s on external SFF-8644 connectors
Modes Direct-attach, cascaded attachment
Supply Voltage 100-240 VAC @ 50/60Hz
Supply Power Measured: 28W w/o drives, up to 200W supported
SAS Bus Thirty-two 12Gb/s SAS/SATA ports

SAS Bandwidth


Single Lane

Wide Port (4 lanes)

Wide Port (8 lanes)


300 MB/s
1200 MB/s



600 MB/s
2400 MB/s

4800 MB/s


1200 MB/s
4800 MB/s

9600 MB/s

Connectors 4 SFF-8644 Mini-SAS HD
Form Factor 2U - 3.47”  x 19” x 10”

SAS 2.0, SAS 2.1, SAS 3.0, SCSI SAM-4,

SATA 3.0Gbps, SATA 6.0Gbps

Device Support 16 target disks, SAS or SATA
Agency Approval RoHS Compliant (lead-free)



    Relative Humidity


0° to 55° C

5 to 90% non-condensing


-40° to +85° C

5 to 90% non-condensing