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HP StorageWorks P2000 G3 AW596A 12 3.5" Drive Bays 10 GbE (2) Ports per controller 10GbE ...
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RAID Machine D5212RM 12-bay 12G SAS Rackmount JBOD Dual Expander / High Availability ...
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RAID Machine S7212RE 12-bay 10GbE iSCSI SAN Rackmount Single Controller
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8 bay SAS / SATA JBOD Tower J0806T w/9286-8E RAID Controller and 2 MiniSAS Cables
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120TB RAID Machine N3212RM 12-bay 6G SAS Expander Rackmount JBOD Enclosure w/ LSI ...
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OWC ThunderBay 4 RAID 5 Edition 24TB 4-Bay External Drive w/Dual Thunderbolt2 Ports
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RAID Machine I6316RM 16-bay iSCSI + eSATA + USB3 SAN Rackmount Enclosure w/ ...
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RAID Machine D74244F 24-bay 16G Fibre Channel SAN Rackmount Dual Controller / High ...
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SANS DIGITAL AccuRAID AR424I RAID 0/1/0+1/3/5/6/30/50/60, JBOD 24 x Hot-Swappable ...
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RAID Machine R3316RM 16-bay 6G SAS Expander Rackmount JBOD Enclosure w/ Redundant ...
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RAID Machine D5316RM 16-bay 12G SAS Rackmount JBOD Dual Expander / High Availability ...
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Syba SY-ADA40101 RAID 0 / 1 / JBOD 3.5" SATA III to Dual mSATA RAID Adapter
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Rear Driven Clutch 28 degree fits EZGO EZ-GO 4 cycle TXT ST 1991-Up 26301-G03
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RAID Machine S72244F 2.5" 24-bay 16G Fibre Channel SAN Rackmount Single Controller
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Rocketstor 6414As 4-Bay 6Gb/S Sas/Sata Hardware Raid Tower Enclosure
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CPU Stand with Castors for Computer Case Aluminum Black
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RAID Machine S7424RE 24-bay 10GbE iSCSI SAN Rackmount Single Controller
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2 Pack Alphabet Cufflink Silver J
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150TB 15 bay 6Gb/s SAS Expander Tower JBOD Enclosure - E1506 w/ LSI 9286-8e Controller ...
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FM3/4x1-3/8" CAT40 SHELL FACE MILL HOLDER ADPATER CNC .0002"
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Guide to RAID Storage

Introduction

So what is an external RAID enclosure? It is a device that allows you to set up a RAID array using internal hard drives or solid state drives. Some home and small-office users may have internal RAID arrays for desktops, but larger organizations that require high levels of performance and scalability will find more utility from external RAID enclosures.

Benefits of External RAID Enclosures

A RAID enclosure is similar to an external hard drive enclosure, except it is larger to accommodate multiple hard drives and designed for RAID configurations. Compared to software RAID solutions, which are typically managed by the operating system, external RAID enclosures have several advantages.

Hot-Swap Support

Many USB and eSATA RAID enclosures support a feature known as hot swapping, which allows users to remove and replace hard drives with no need to power down the device. External RAID enclosures also typically have easily accessible drive bays. This allows for quicker drive switching, which can save professionals time.

No Extra Load on CPU

Software RAID arrays require CPU cycles in order to operate, which lower overall system performance. In contrast, hardware-based RAID configurations such as external enclosures and RAID controller cards have their own built-in processing units. As a result, they do not detract from overall system performance.

Drive Cloning

In addition to having RAID capabilities, many enclosures also support drive cloning. This allows users to duplicate all the contents of a drive, including hidden and in-use files. It is more in-depth than copying and pasting the contents, as the resulting drive is an exact clone.

SAS Support

One downside of a software-managed RAID array is that few desktop motherboards support enterprise-grade drives such as Serial Attached SCSI (SAS) hard drives. With a hardware RAID solution such as an external RAID enclosure, you can add support for SAS enterprise-grade hard drives and solid state drives.

Final Words

While home users will find software RAID configurations to be more than adequate, the needs of organizations can be better served with external enclosures. External RAID enclosures offer features that many IT professionals will find useful, such as support for enterprise-grade drives, hot-swapping, drive cloning, and more.

 

By NeweggBusiness Staff