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Cavalry 2 Bay eSATA + USB 2.0 RAID External Enclosure, RAID 0, RAID 1 EN-CADA2B-ZB01 (Black)

3.0 out of 5 stars 43 customer reviews

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  • Two RAID modes: 0, 1
  • Automatic rebuilding in RAID 1
  • eSATA speeds of up to 3 Gbit/s (eSATA kit included)
  • Plug-and-Play for Windows PCs
  • Heat-dissipating aluminum enclosure with fan
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Technical Details

  • Brand Name: Cavalry
  • Model Number: EN-CADA2B-ZB01
  • Manufacturer Warranty Description: 1 Year

Product Description

This dual-bay disk array features swappable hard disks and a built-in RAID controller. No need to set up RAID on your computer, just plug the drive in and start transferring files immediately. The drive arrives preconfigured in RAID 1 to protect your important data - if one drive fails, replace it with an identical drive and the data will automatically rebuild. Leave it in RAID 1 mode for automatic background rebuilding and optimum security for your files, or configure to RAID 0 for increased data reading and writing speeds. Its SATA interface provides a faster boot process and quicker loading of programs and data. Ideal for saving hefty files, video, music, protecting databases or working directly on the drive, it delivers high-capacity performance and data security. Windows XP / Vista / 7 + (32-bit & 64-bit) Mac OS X 10.4.8 + (requires reformatting)

Product Information

Product Dimensions 5.2 x 4.2 x 8 inches
Item Weight 4.1 pounds
Shipping Weight 4.1 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
ASIN B004KKXLLG
Item model number EN-CADA2B-ZB01
Customer Reviews
3.0 out of 5 stars 43 customer reviews

3.0 out of 5 stars
Best Sellers Rank #1,389 in Electronics > Accessories & Supplies > Computer Accessories > Hard Drive Accessories > Hard Drive Enclosures
Date first available at Amazon.com January 24, 2011

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

Verified Purchase
I purchased this thing from Amazon in March 2012 to run a couple of 2TB Samsung drives as full time USB storage off my router with a USB port. Initially I found it to be a good product, particularly because it was quiet and ran very cool which are the two most important enclosure features in my view. I had no problems with it for about 4 months, at which point this thing all of a sudden started to intermittently loose power, i.e. just shut down at arbitrary times. At first I was able to turn it back on after disconnecting the power supply and letting it sit there for a few minutes, but within a month that stopped working as well. I contacted Cavalry through their web-site to request a warranty RMA exchange as it had been less than six months since the purchase date, and the stated product warranty is 1 year. My request was DENIED with a claim that the warranty had expired:

" Your RMA request is denied, because the warranty has expired. ;
If you have any question, please email us at rma@basoncomputer.com.
EN-CADA2B-ZB01 ;3.5IN EXTERNAL DUAL 2 BAY USB 2.0 + ESATA ENCLOSURE WITH RAI ; quantity is 1 The following are the serial numbers if available. "

At first I thought that this was an RMA submission process quirk, and tried twice to write to the e-mail address they provided above for questions, to try to figure out with them how it was possible for a product with 1 year warranty to be out of it in less than six months. I received no response.

Beware of this product, as well as the company that makes it. I can see that neither Amazon themselves, nor Newegg carry this item anymore, but it still appears to be available from an Amazon marketplace seller with a big discount (I bought mine for ~$55, while these guys are selling it below $40).
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Verified Purchase
The unit I received was a surprise: it is much nicer in appearance then the picture would have you believe, small, compact and well built. For the price I would be hard put to find a better deal. But I would caution you: my unit arrived with external power supply, power cord, USB cable, and a 3 foot eSATA cable. It did not come with anything else (which means no instructions, not so much as a scrap of paper, no software, nothing). Not to worry, web to the rescue, as there is this: [...]

Simply remove the four screws on the front cover and the innards nicely slide out to reveal the two drive mounting racks and a pack of drive mounting screws. A small bit of work with a Philips screwdriver and you are done.

One other note: apparently there are two versions of this case, one having Power, HD1, and HD2 lamps on the front and flip switches on the back and another (which is what I received) having Power, HD1, HD2, and Error lamps on the front and a rotary dial on the back.

For the first you want the manual here:[..]
For the later you want this manual: [...]

My only criticism: the dial is impossible to figure out except by experimentation. The dial has settings of 0 through 7 inclusive but no apparent "pointer" making it impossible to figure out which setting it is on. The dial rotates 360 degrees so that there is not even a "reference stop". I had to try every setting one at a time (with a full reboot to bios between each) to uncover the JBOD setting.

Oops, I do in fact have a second criticism: the fan is loud. I'm using the low power (i.e., "slow") drives and so I can disconnect the fan as there is little heat generated by the drives I own. If you plan on using the faster 7200RPM drives *and* want quiet then this unit may not be for you.

Nonetheless the unit was for me an excellent buy.
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Verified Purchase
This is a good purchase at just $50. Typically, RAID Controller cards themselves are about $50. Well, actually speaking, there's not much to this unit besides the controller card, a small 80mm fan and the case. Overall, the unit is quite small. Just as big as 2 stacked HDDs so the footprint is quite small contrary to what it appears like in the picture. Its sturdy and gets the job done. It has USB 2.0 and eSata connectivity but you should obviously go for the esata port since it is about 6 times faster than USB 2.0

It supports HW Raid which is excellent. Both RAID-0 (i.e. striping) and RAID-1 (i.e. mirroring) are supported. However, you cannot set the stripe size. RAID-1 autorebuilds the array after a disk replacement. There are DIP switches to set before you begin depending on the OS. I set it for WinXP RAID-1 mode which worked in Linux and Windows 7 as well. The 2 x 2TB Samsung 5400rpm FE4 spinpoint drives formatted as NTFS in about 2 hours. This is not bad.

Over eSata, data transfers are quite fast and they are hitting around 100MB/s (800Mbps). SATA II drives have a throughput of 3Gbps and esata can typically transfer at speeds reaching about 300MB/s (i.e. 2.4Gbps) but I've never really seen that in real life. 100MB/s is quite good performance for this unit.

Overall, I am happy for this because I got it to replace my dying Fantom 1TB drive. I just bumped it once slightly and it now has lots of file IO errors. This is because the Fantom drive is just one drive on the side so its easy to topple to the side. Whereas this Cavalry unit smartly puts the drives horizontally on its back rather that on the side so the base profile is larger making the unit more stable.

There is a fan which can be replaced for quieter operation.
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