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Serial Cables SA-ENC12G-01A 12Gb/s SAS3 JBOD External Storage Review

By: Paul Alcorn | RAID/HBA in IT/Datacenter | Posted: May 6, 2014 2:00 pm
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TweakTown Rating: 96%Manufacturer: Serial Cables

Internals

 

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The SA-ENC12G-01A provides storage for eight 2.5-inch storage devices.

 

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The front of the JBOD is simple. A latch on each drive sled releases the drives. The JBOD is constructed of very sturdy metal and has a solid feel to it. A button on the front silences the built-in alarm, and a 'fan-failed' LED indicates a fan problem. There is also a power indicator LED. This small enclosure is very resilient and stood up to the rigors of our test labs for several months with no issue.

 

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The 5,7000 RPM Delta 80x28mm fan cools the drives, providing 80CFM, and it is rated for 52 dB. There is an on/off switch above the fan and four connections for the HD Mini-SAS cables. The power supply receptacle is next to the smaller PSU fan on the bottom of the JBOD.

 

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Removing the side panel exposes the innards of the JBOD. There are two Quarch 12Gb/s backplanes connected to the drive bays. The bays also have slotted sides to facilitate efficient airflow. The backplanes are connected to the rear of the enclosure with a specialized connector, pictured at the bottom of this page. The Zippy EMACS P1S-5150V 150W mini power supply occupies the bottom of the case.

 

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Two PCBs house the components for the front LEDs, alarm, and fan power connections.

 

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One of the most impressive aspects of the SA-ENC12G-01A is the very smooth operation of the drive sleds. Many enclosures and JBODs have significant friction when installing the drives. Some enclosures require a bit of force when inserting the drive. We have actually broken the SAS/SATA connections on the drives during installation in cheap enclosures. The Serial Cables JBOD features a very smooth installation when we push the drives into the enclosure. The complete lack of resistance is impressive. The drive sled design utilizes thin metal and leaves a good amount of space open on the bottom to cool the drives.

 

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The drive sleds have slots open on the front for smooth airflow.

 

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This connector provides the bridge between the rear of the case and the Quarch backplanes. The Dual HD MiniSAS Receptacle (SFF-8644) to Dual Int MD MiniSAS Plug (SFF-8643) can also be bought separately at Serial Cables.

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