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We recommend 8.0TB OWC Mercury Elite Pro Qx2 4 Bay eSATA,FireWire 800+USB 3.0 Enterprise Hardware Desktop RAID (Mfr P/N: M3QX2T08.0E) from Other World Computing for $719.99 as a suitable alternative.

OWC Mercury Elite Pro Qx2

8.0TB Multi-Interface 4 Bay Enterprise
Class Performance RAID Solution

Mac / PC / USB 2.0 & 1.1 / FireWire 800 / FireWire 400 / eSATA
  • Mac
  • PC
  • eSATA
  • FireWire 800/400
  • USB
The Ultimate Blend of Professional
Performance and Convenience
Four 3.5" Serial ATA (SATA I/II) hard disk drives in a brushed aluminum enclosure with Hardware RAID setting flexibility and up to 300MB/s data transfer speed for high performance data storage and redundancy.
User Selectable Hardware RAID Settings
Thanks to a front panel selector switch, the Mercury Elite Pro Qx2 enables easy configuration of the Hardware RAID settings - NRAID, 0, 1, 5, 10 - so you can select the best combination of speed, capacity, redundancy, or any combination of the three.
Re-builds without a computer connection!
RAID 1, 5, 10 enables you to keep working even if one drive fails!
NRAID (Span)
Combines capacity of two or more drives of the same size without any RAID data distribution scheme into one logical desktop volume. Will also combine the capacity of varying size drives based on the lowest capacity drive in the set.
RAID 0 (Stripe)
Data is split into blocks over two or more drives at same time for high speed and large capacity. The ideal RAID setting for demanding video production/editing.
RAID 1 (Mirror)
Data is written at same time to two drives only for highest level of data safety and redundancy.
RAID 5 (Stripe with Parity)
Data is Striped (RAID 0) while incorporating redundancy over three or more drives for the best combination of speed, capacity, and redundancy. The Multi-Interface 4 Bay Enterprise Class Performance RAID Solutions are pre-configured as RAID 5.
RAID 10 (1+0)
Data is Striped (RAID 0) over two Mirrored sets (RAID 1) of drives for fast redundancy.
Speedtools
Includes the Powerful SpeedTools Utility Suite for Mac
The comprehensive Mac utility used by professionals for accurate Mac diagnosis and maintenance. Click the SOFTWARE tab below to learn more »

Includes

  • Mercury Elite Pro Qx2 Multi-Interface 4-Bay RAID Solution
  • 39" High Quality Double Shielded eSATA connecting cable
  • 72" High Quality Double Shielded FireWire 800 connecting cable (9-9 Pin cable)
  • 68" High Quality Double Shielded FireWire 400 connecting cable (6-6 Pin cable)
  • 76" High Quality Double Shielded USB 2.0/1.1 connecting cable
  • Internal UL Listed U.S./International Auto Switching Power Supply (adapter plugs for International use sold separately).
  • 2 keys for front panel lock
  • Pre-installed Backup and Utility software
    • Intech® SpeedTools Utilities™ OEM (For Mac OS 8.6 - X only)
    • ProSoft Engineering® Data Backup for Mac OS X v10.2.8 or later
    • NovaStor NovaBACKUP® for Windows 2000 or later
  • OWC Mercury Elite Pro Qx2 Manual (4.7MB PDF)
  • Over 1.5GB of Freeware/Shareware/Public domain software pre-installed
  • OWC 5 Year Solution Warranty with 48-Hour Turnaround Time
  • Complimentary 6 Month Level 1 Data Recovery

Gallery

Product Specifications:

Chipset

  • Custom Oxford 936 eSATA / FW800 (1394B) / FW400(1394A) and USB 2.0 (1.1 Backwards compatible) Chipset

Interfaces Supported

  • eSATA (SATA-II)
  • FireWire 800 (1394B)
  • FireWire 400 (1394A)
  • USB 2.0 (1.1 Backwards compatible)

RAID / JBOD Support

  • RAID 0,1,5,10 Hardware RAID Mode, and NRAID Span Options
  • Solutions are pre-configured as RAID 5 for optimum speed, protection & capacity

Standard Mechanism

    2.0TB Toshiba MK2002TSKB Specifications:

    Specifications

    Form Factor
    3.5″ HDD
    Interface
    Serial ATA, Revision 2.6
    Capacity1
    2.0TB
    Formatted Capacity2
    1862GiB
    Rotational Speed
    7,200 RPM
    Cache / Data Buffer
    64MB
    Manufacturer Model Number
    MK2002TSKB
    RoHS Compliant
    Yes
    Format

    Physical

    Height (max)
    26.1mm (1.03″)
    Width (max)
    101.6mm (4.00″)
    Length (max)
    147mm (5.79″)
    Weight (typical)
    800g (1.762 lbs.)
    Data Heads
    8
    Number of Disks
    4

    Reliability3

    MTBF (Mean Time Between Failures)
    1,200,000 hours
    Warranty
    5 Years Toshiba Warranty

    Performance

    Transfer Rate (Max)
    3Gb/sec
    Track-to-track Seek
    1ms
    Average Seek Time
    9.5ms
    Average Latency
    4.17ms

    Power

    Maximum Start Current, DC
    5.0 Watts
    Read Power
    13 Watts
    Write Power
    13 Watts
    Idle Mode, Low Power
    7 Watts
    Standby Mode
    1.5 Watts

    Environmental (Operating)

    Shock
    70 G max at 2ms
    Ambient Temperature (°F)
    41°F to 131°F
    Ambient Temperature (°C)
    5°C to 55°C
    Vibration
    7.35 m/s² (0.75G) (from 5 to 300Hz), 2.45 m/s² (0.25G) (from 300 to 500Hz)
    Altitude
    -304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

    Environmental (Non-Operating)

    Shock
    300 G max at 2ms
    Ambient Temperature (°F)
    -40°F to 158°F
    Ambient Temperature (°C)
    -40°C to 70°C
    Vibration
    49 m/s² (5.0G) (from 5 to 500Hz)
    Altitude
    -304.8 m to 12,192 m (-1000 ft to 40,000+ ft)

    Acoustics

    Idle (Typical)
    3.0 bels
    Seek (Typical)
    3.4 bels
    1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
    2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
    3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
    • 4 x 2.0TB* Toshiba MK2002TSKB Hard Disk Drive**

    • *1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.

      **OWC reserves the right to replace or upgrade to equivalent or better components.

    Drive Rotation Speed

    • 7200 RPM

    Drive Cache Size

    • 64MB per drive, 256MB total for the solution

    Port Configuration

    • eSATA - 1 eSATA port
    • FireWire 800 - (2) 9 pin ports
    • FireWire 400 - (1) 6 pin port
    • USB 2.0 - (1) "A" port

    Format

    Max Data Transfer Rate

    • eSATA - 3.0 Gbit/s (or 300 MB/sec)
    • FireWire 800 - 800Mbps (or 100MB/sec)
    • FireWire 400 - 400Mbps (or 50MB/sec)
    • USB 2.0 - 480Mbps (or 60MB/sec)
    • USB 1.1 - 12Mbps (or 1.5MB/sec)

Port/Interface Bootability

    Can I use this solution as an external startup drive?
  • eSATA: Supported on Macs and PC's meeting minimum requirements. - Click for more info
  • FireWire 800: Supported on Macs and PC's meeting minimum requirements. - Click for more info
  • FireWire 400: Supported on Macs and PC's meeting minimum requirements. - Click for more info
  • USB 2.0: Supported on Macs and PC's meeting minimum requirements. - Click for more info

Recommended eSATA Cards

Macintosh System Requirements

  • Minimum Apple G4 processor, 128MB RAM
  • Mac OS 8.6 to 9.2.2, 10.0.x or later and an available USB 1.1 or FireWire 400 port
  • Mac OS X 10.2.8 or later including ‘Lion’ 10.7.x and an available USB 2.0/1.1, FireWire 800*/400 port, or eSATA port
  • Time Machine® Compatible: Mac OS X 10.5 (version introduced) and later.

Windows System Requirements

  • Minimum Intel Pentium III CPU 500MHz, 128MB RAM
  • Windows XP(64 bit) or later and an available USB 2.0/1.1, FireWire 800*/400, or eSATA port.

Linux Requirements

  • Linux compatible via supported USB and FireWire interfaces.

Software Included

Power Supply

  • Internal UL Listed U.S./International Auto Switching Power Supply (adapter plugs for International use sold separately).
  • Protection: OCP, OVP, Short

External Case Dimensions

  • 9.65″(D) x 5.31″(W) x 6.96″(H)
  • 245.11mm x 134.87mm x 176.78mm

Enclosure Weight (no accessories)

  • Approximately 8.6 pounds (3.9kg)

Product Manual

Operating Environment:

Temperature

  • (operating) 5°C - 55°C (41°F - 131°F)
  • (non-operating) -40°C - 65°C (-40°F - 149°F)

Relative Humidity

  • (operating) 8% - 90% RH (Non-condensing)
  • (non-operating) 5% - 95% RH (Non-condensing)

Shock

  • 65G 2mS; (non-operating) 175G 2mS

Vibration

  • (operating) 1.0G (5 - 300Hz)
  • (non-operating) 5.0G (5 - 500Hz)

Warranty

OWC 5 Year Solution Warranty

The best warranty is one you never have to use, but should the need occur - OWC is proud to provide a superior level of support and warranty coverage to our customers. Even when not used, we understand the peace of mind afforded by a longer warranty period. OWC's industry leading coverage is a testament to our confidence in the reliability of the solutions that we offer. OWC solutions are engineered to demanding quality standards in order to deliver the most reliable, highest performance available on the market in each storage category.

View more information about the OWC 5 Year Solution warranty

Note: Do not disassemble or otherwise open your OWC solution prior to the conclusion of OWC's 5 year Warranty period. Doing so will void the remainder of the OWC warranty.

Manufacturer provided specifications for Other World Computing p/n MEQX2T8.0E
*The use of FireWire 800 interface while the Qx2 is in RAID 5 setting is not recommended for optimum drive speed performance.

Software

Prosoft Macworld 4.5 miceProsoft
Prosoft Engineering® Data Backup 3 for OS X v10.2.8 or later
Backup Made Easy. Data Backup makes it easy to backup to FireWire and USB drives, network drives, CDs and even DVDs. Make schedules so you don't need to 'think' about backing up... It does it for you.
A $59.00 Value! View detailed software info, or click here to purchase softwareseparately from solution
Novastor
NovaStor NovaBACKUP® Solution for Windows®
NovaBACKUP has been helping millions of users recover from data loss and disasters for over 18 years. Feature rich, NovaBACKUP provides a powerful backup solution. Built-in support for hundreds of the most popular storage devices and a step-by-step backup and restore wizard makes NovaBACKUP extremely easy to use. Requires Windows 2000 or later.
A $49.95 Value! View detailed software info
Intech SpeedTools Utilities
Intech® SpeedTools Utilities™
Intech SpeedTools consists of a suite of utilities managed by an application which controls the launching, documentation and version control of each individual component utility, such as Disk Defrag and QuickBack. An easy-to-use installation and removal application is provided to make installation a snap, yet powerful enough to allow you to customize which utility component set you would like to create.
An $89.95 Value! View detailed software info, or click here to purchase software separately from solution

Reviews

Customer Ratings

Write a Review 4.7 / 5 47 out of 50 (94%) reviewers would recommend this product
1 2 3
Verified Buyer
Reviewer: Anonymous Location: Miami, Fl.
Rating: 4/5 Works well May 4, 2014 This is a great product, the only problem I have is the noise but that's not the fault of the product. It's the problem with spinning hard drives and I'm done with them, except for back up. The SSD's are the future and although a bit pricy still, they are dropping fast and I know I will never buy another one. I bought this product to run the 4, one TB drives from my old computer that I had set up in raid 0 for speed. I now have them set up the same way in this product and it works perfectly, I just can't stand the noise that goes with the hard drives and the fan to keep them cool. Now, I use it just for back up and it's great for that. I'm running all SSD's in the same Raid 0 set up and you can't believe the speeds I'm getting. SSD's baby, the future is here and now.

I would recommend this item to a friend! This review is from (*) OWC Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 3.0 4-Bay SATA Desktop RAID Enclosure.

Reviewer: Anonymous Location: San Francisco, CA Age: 45-54 Experience Level: Power User Owned Product: over 6 months
Rating: 4/5 RAID is good but... March 21, 2014 I purchased this RAID close to year ago together with LaCie Thunderbolt to eSATA Hub. The idea was to use hub for my 30" monitor and to connect RAID through eSata connector over Thunderbolt. The set up was straight forward and uneventful. I was ready to go in no time. But soon after I started experiencing dropouts. RAID would disappear and unmount from my Mac Mini Server, than shortly after it would mount back. It would stay connected, but at any point where there is a heavier traffic it would disappear. Really disappointing. Other than that RAID itself seems solid and quiet. Sometimes when drive doesn't show up back mounted I would need to do that manually, by restarting power from LaCie. Usually that solves the issue. I will try to connect RAID with USB 3, since that might be more reliable, but that requires some reconfigurations since my Mac Mini Server has only USB 2 and not USB 3 and that is why I wanted to use Thunderbolt. Again this might be more issue with LaCie adapter than with RAID itself. Other than that it seems like very good and affordable RAID. When everything works, it is very fast.

This review is from 12.0TB OWC Mercury Elite Pro Qx2 4 Bay eSATA,FireWire 800+USB 3.0 Hardware Desktop RAID.

Verified Buyer
Reviewer: Anonymous Location: Tasmania, Australia
Rating: 5/5 A great start March 21, 2014 This is an early (day 1) review. My drive arrived quickly (to Australia) and was extremely well packaged with the disks already in their trays and stored separately from the chassis. Assembly was simple. The chassis and trays feel solid and robust. The box and drives come preset to RAID 5 and formatted for HFS+. There is a strange little step in the setup involving a hidden partition used to store the bundled software but it is well documented and easy to follow. The commercial bundled software is, well, bundled software. Personally, I don't think that it adds anything to the purchase. I'm not certain why companies still put a collection of open source software on their products. It reminds me of the 'old days' when magazines bundled CDs of free software, Gopher and FTP ruled the roost, and a floppy full of open source software was a huge download. My initial tests show that the box is quite speedy (no numbers yet), especially given that it is running through a USB 3 card on my elderly 2008 MacPro. The only criticism I have is that it is a bit noisy. It soon fades into the background as white noise but is loud enough to be annoying when making a voice recording. It is actually quite a bit louder than my 5 drive Synology NAS even though I run the fans on that device on high. In summary, I'm impressed and this yet again reinforces the great service I've had over the years from OWC.

I would recommend this item to a friend! This review is from 12.0TB OWC Mercury Elite Pro Qx2 4 Bay eSATA,FireWire 800+USB 3.0 Hardware Desktop RAID.

Response from MacSales.com, Marketing March 21, 2014 "I'm not certain why companies still put a collection of open source software on their products." Well, we can't speak for other companies, but all of our storage solutions are hand-assembled and tested in house. Transferring the bundled software suite to the drive is actually part of the testing and quality assurance we perform on each individual unit.
Reviewer: Anonymous Location: SLC, Utah Age: 45-54 Experience Level: IT Professional Owned Product: over 6 months
Rating: 5/5 Great device, Highly recommended. December 24, 2013 I bought two of these over the years and there flawless in use. Both of mine have been 0 gig add your own, for my drives both of them have WD RE4 1 terabyte drives in them in raid 5. My first unit lost a drive after about 2 years of constant use which i replaced. During the drive loss under raid 5 the data was still intact and accessible. When WD replaced my drive still under warranty, I just installed it on the drive sled, and plugged it in with my mac pro off. It took a while but the drive rebuild successfully, and no data was lost. For back up of very very precious material I could not recommend this unit higher. My first unit is going on 3 years now without a hitch, and the second over a year now with no problems whatsoever.

I would recommend this item to a friend! This review is from (*) OWC Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 3.0 4-Bay SATA Desktop RAID Enclosure.

Verified Buyer
Reviewer: mikejaz Location: Oak Park IL Age: 55-65 Experience Level: Power User Owned Product: over 6 months
Rating: 5/5 Rock solid, reliable, easy to use April 24, 2012 pretty much says it all. I too ran into the formatting issue, but can't blame that on the drive, but on the OS. Hosed it up via FW800, partitioned, and voila, it works! I've been running it now for over 3 years, have purchased extra drive sleds for a second set of discs, and am probably going to purchase a second unit because I find that I need one for business media, and one for personal.

My partner and I have had two drive corruptions in three years...because we use RAID-5, that's not a problem...the unit indicates which drive is bad, you swap out with a fresh drive, and it rebuilds the data.

I would recommend this item to a friend! This review is from (*) OWC Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 2.0 4-Bay SATA Desktop RAID Enclosure.

Verified Buyer
Reviewer: Phatfotos Location: London, UK Age: 55-65 Experience Level: Power User Owned Product: over 6 months
Rating: 5/5 Ideal backup solution March 7, 2012 I needed a reliable enclosure/back-up drive for my data, which includes 850 images.

I have had problems in the past with LaCie and the OWC mini-stack drives since they overheat when shovelling large amounts of data back and forth.

I originally contemplated the Drobo and various others, but this enclosure stood out for its simplicity, flexibility and ability to deliver what I wanted.

1. internal fan – sensible to heat 2. metal construction 3. complete range of inputs/outputs (firewire/esata/usb) 4. 120/240v 50/60hz power

Having had so many failures, I dropped 4 WD RE4 2 TB SATA Hard Drives (WD2003FYYS) – the most reliable disks on the market into it.

Set up was dead easy. Put the disks in, it hummed away, and voila – 6 TB of storage. Because I used Raid 5 – it reads and writes very quickly – bottle necks occur elsewhere in the system.

After 3 years, nary a problem. Reliable, rock solid, looks nice, keeps cool. I am a klutz, unplug things, disconnect drives, generally make a mess. Maybe my photos are good.

When I move several hundred GB of data onto another back up drive using the OWC NewerTech Voyager SATA drive, which takes a few hours, it just hums away.

The best bit is the attention and response I received from OWC staff (Stephen Lorence in particular) when I was floundering around trying to make a decision. The reason I trusted their advice was that it sometimes worked against their best economic interests – hence the WD drives.

I am required to find a flaw – which is that the case of the enclosure, is 0.0003 mm out of square, something driving me nuts.

Best buy out there. Since I have moved to the UK, have recommended several people here to buy this.

My fellow Americans might use the word “Awesome”. My English “Not bad”, both being compliments.

I would recommend this item to a friend! This review is from (*) OWC Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 2.0 4-Bay SATA Desktop RAID Enclosure.

Verified Buyer
Reviewer: Steve Location: Bear, DE Age: 25-34 Experience Level: Power User Owned Product: 1-3 months
Rating: 5/5 Extremely easy to use, aesthetically pleasing! November 29, 2011 I just moved from a PC environment to a Mac and one issue I had was that I had several TB of data, and I wanted to ensure that my data remained safe. My new iMac did not have enough capacity to keep everything in one location so I had to move to an external drive which I was honestly very hesitant to do. I also wanted to make sure that if I moved all of my data to an external drive that I would have a proper backup system to ensure I did not lose anything. I felt that the cleanest option would be a RAID setup and the Mercury Elite Pro was easily the cleanest, most aesthetically pleasing option out there. I really wanted an enclosure that looked like it belonged with my Mac and this unit really fit the bill. The device came formatted in a RAID 5 configuration which is exactly what I wanted. It worked right out of the box. All I had to do was slide the drives in place and turn it on. I have had several friends who have purchased NAS boxes that would do the same thing only to have a drive or two fail at start-up. One feature that I was particularly pleased with was that the drives were all stress tested prior to shipping. If there is any question of this then all you have to do is simply open the packaging and you will see that the hard drives are already mounted to the internal mounting brackets of the enclosure - something that would obviously have had to have been done by OWC. With the drives already mounted it makes the drive installation at home a breeze. Since the system was already formatted all I had to do was connect it and go.

My only gripe is that the fan on the unit is a little louder than I would hope. Now I have to put this in perspective when I say louder than I hoped. I just moved from a custom built PC which sounded like a tornado in comparison, but in reality was not that loud itself. The comparison is really to my new iMac, which is whisper quiet and something that wows me to this day. The only noise in my room now is from my OWC box and it is noticeable however not nearly as bad as a standard PC operating. I plan to remedy this by purchasing a new desk and placing the box in the enclosure area built for a PC tower, but until then I can certainly make do.

As far as pricing is concerned I have to admit that at first glance this is an extremely expensive piece of hardware for only 4 TB of storage, however when you factor in the RAID configuration and the connectivity options you will find that the price is actually very reasonable. You can purchase a NAS box with RAID however it will easily cost the same, if not more. You can also purchase two external drives, one to backup the other, but at 4TB (well, 3 TB usable space) that will cost the same, if not more. As far as pricing is concerned it really is comparable to other options that may be on the market, however these points really drive home the value: 1. Multiple RAID options for whatever you want 2. Hard drives are burned in (pre-tested) prior to shipping so you know it will work when it arrives 3. The storage capacity can be easily increased at a later date, especially as drive prices drop. 4. Aesthetically it fits a Mac computer perfectly!

I would recommend this item to a friend! This review is from 4.0TB OWC Mercury Elite Pro Qx2 4 Bay eSATA,FireWire 800+USB 2.0 Hardware Desktop RAID.

Verified Buyer
Reviewer: shipley Location: Missouri Experience Level: Power User Owned Product: 3-4 months
Rating: 5/5 Great drive. Easy to use. Reliable. May 31, 2011 I use the 4 TB Enterprise class using RAID 5 and have found it perfect for FCP and Logic.

I would recommend this item to a friend! This review is from (*) 4.0TB OWC Mercury Elite Pro Qx2 4 Bay eSATA,FireWire 800+USB 2.0 Enterprise Hardware Desktop RAID.

Verified Buyer
Reviewer: culthero13 Location: Las Vegas Age: 35-44 Experience Level: IT Professional Owned Product: less than a month
Rating: 5/5 Quiet, sturdy, aesthetically clean. April 22, 2011 I bought this to use with my Mac Mini. I needed a multi-bay enclosure that provided at least RAID 5 capability, hardware RAID, provided a FireWire 800 interface, and was built well. This provided all of those and as a bonus, it had a clean, minimalist design that went well with the Mac. I was only slightly disappointed that it came already set for RAID 5 functionality and was apparently already formatted for Mac. (This was only because I wanted to do all that myself). Understandably, others would find this quite useful. It was WAY quieter than the piece of junk product it replaced whose fan went out only a week after buying it. I don't even hear this one unless there is hard drive activity.

The only complaint I have with it is the extremely bright blue power light. One can read a book using only the light from it. That is a slight exaggeration of course, but seriously, it does light up a darkened room quite a bit and makes spots in one's vision if looked at directly. I don't quite understand why it needs to be this bright. In fact, I'm not sure it even needs the power light at all. The other status lights, if on, should be indication enough that the unit has power. To bring the brightness under control, I was able to place a metallic sticker over it. It is still bright enough that it shines through the sticker, but it is much less bright now and matches the luminosity of the other lights.

Regardless of the light, If a newer version comes out with the same interface & design, but supports RAID 6, I will certainly be purchasing it.

I would recommend this item to a friend! This review is from 4.0TB OWC Mercury Elite Pro Qx2 4 Bay eSATA,FireWire 800+USB 2.0 Hardware Desktop RAID.

Verified Buyer
Reviewer: FinalCutUser Location: Baltimore, MD Age: 35-44 Experience Level: Power User Owned Product: less than a month
Rating: 4/5 Easy setup with slight hiccup - but great customer service March 31, 2011 Bought the empty enclosure and added four Hitachi 2TB HDs. Adding the drives was very easy and setup was a snap. When we went to partition the drive, we were presented with an error that the operation could not be completed. I called the customer service number and someone picked up after only 10 seconds. They advised that the drive couldn't be formatted over the eSata connection and told us to attach it via Firewire. That did the trick and 30 seconds later we had a formatted, 5.5 TB, Raid 5 setup ready to go. We reattached via eSata and the computer recognized it immediately. The reason we purchased this enclosure was to protect against data loss in case of a HD failure. I can't truly give a complete review until we have the need to replace a bad drive and test its data backup capabilities. If and when that day comes I will gladly come back and update my review.

I would recommend this item to a friend! This review is from (*) OWC Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 2.0 4-Bay SATA Desktop RAID Enclosure.

OWC 8.0TB Mercury Elite Pro Qx2 Mfr P/N: MEQX2T8.0E OWC SKU: OWCMEQX2T8.0E Multi-Interface 4 Bay Enterprise Class RAID Solution 3 Year OWC Limited Warranty
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