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2-bay eSATA/USB3 RAID Tower Configurable RAID Storage Enclosure System
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SANS DIGITAL MobileRAID MR2UT6G 0, 1, JBOD and Spanning USB 3.1 Type-C, Fully Loaded ...
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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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Sans Digital AccuRAID AR316ITR SAN Array - 16 x HDD Supported - 48TB Supported HDD ...
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RS-Series RS212X12 2U 12 Bay SAS Expander JBOD with Redundant Power Supply
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SANS DIGITAL EliteRAID ER104UT+B 0, 1, 10, 3, 5, Clone (N-way Mirror) with Hot Spare and ...
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Sans Digital MobileSTOR MS4U6G 4 Bay USB 3.1 Type-C JBOD Hard Drives SSD Storage
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AccuRAID AR424IR - 4U 24 Bay 8xGbE iSCSI to SAS/SATA RAID 6 Redundant Controller ...
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4U 38x2.5" Bays with Slim ODD
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RS-Series RS424X12 4U 24 Bay SAS Expander JBOD with Redundant Power Supply
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MobileRAID MR4UT6G 4-Bay 3.5" inch SATA to USB 3.0 / eSATA Hardware RAID-5? / 1/ 0 / JBOD
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SANS DIGITAL TS21UT+B USB 3.0, eSATA 1 Bay 2.5" SATA to USB 3.0 / eSATA Server Storage
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Supermicro Accessory AOC-S3916L-H16IR-O AOC with SAS3916 controller(U3) and 2...
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2-bay eSATA/USB3 RAID Tower Configurable RAID Storage Enclosure System
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Synology RXD1219sas 12 x 3.5/2.5" SAS HDD/SSD (drives not included) 3.5" Drive Bays 1 x ...
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SANS DIGITAL TowerSTOR TS1UT+B 1 3.5" Drive Bays USB 3.0 (backward compatible with USB ...
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4U 40x2.5" Bays
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Qnap Qda-A2mar Das Storage System
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SANS DIGITAL EliteNAS EN316L+BXE Hardware RAID 0, 1, 1+0, 5 and 6 RAID with Hot Spare 16 ...
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SANS DIGITAL TowerSTOR ST-SAN-TS22UT6G 2 Bay 2.5" SATA to USB 3.0 / eSATA RAID 0/1 ...
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Synology UC3200 12 x 3.5"/2.5" SAS SSD/HDD (drives not included) 3.5" Drive Bays 1 x ...
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Sans Digital MobileRAID MR2UT6G 2-Bay RAID HDD Enclosure USB 3.1 GEN2/TYPE-C to ...
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INTEGRATED RAID RMS3CC080
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Hewlett Packard 874568-B21 Ml350 Gen10 8sff Hd Cage Kit (874568b21)
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HPE 726897-B21 Smart Array P840/4GB FBWC 12Gb 2-ports Int SAS Controller
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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