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  • Mediasonic USB 3.0 2.5-Inch SATA Smart Drive External Enclosure HD3-SU3-BK
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Mediasonic USB 3.0 2.5-Inch SATA Smart Drive External Enclosure HD3-SU3-BK

84 customer reviews

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  • USB 3.0 SuperSpeed (Backwards compatible with USB 2.0 / 1.1)
  • Maximum Transfer rate up to 5 Gbps via USB 3.0, up to 480Mbps via USB 2.0
  • Fits all brand of 2.5" SATA hard disk drive (9.5mm slim type)
  • Plug & Play for PC/Mac platform
  • Hot-swappable
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Technical Details

  • USB Powered

Product Description

This external SATA hard drive kit is an "instant" storage solution for archive backups, large-capacity portable storage, classified/sensitive data storage, or just extra disk storage. The enclosure supports Plug & Play "Hot Swapping" through the connection port with high speed data transfer, up to approx 480mb/sec. via USB 2.0. This case can support hard drive up to 500GB. This enclosure has great and compact exterior finish and has excellent heat dissipation. No fan is required. If you are looking for High End and Reliable external enclosure. Package content: HD3-SU3-BK Enclosure, USB 3.0 Cable (1M), Carry Case, Screws for hard drive, Anti-shock Patch

Product Details

  • Product Dimensions: 5.5 x 3.2 x 0.5 inches ; 3.2 ounces
  • Shipping Weight: 1.2 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003YFHE9I
  • Item model number: HD3-SU3-BK
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (84 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: May 1, 2010

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

12 of 12 people found the following review helpful By h,s on August 13, 2012
Verified Purchase
The box takes a SATA II (3gps) drive and connects it to a USB 3 port. It sheds heat quickly. Two screws hold in one end cap to the aluminum box. You remove the end cap to insert the drive, taking care when tightening not to strip the aluminum channels that hold the screws. Longer screws with more threads would make it less likely that one would strip the channels but they seem long enough as it is if you use an appropriately sized screw driver and don't go nuts torquing in the screws, you'll be alright.

Two shorter, flat head screws hold the drive to the curcuit board/end cap. You might find it hard to get moth screws lined up. Don't tighten them both unitl both oare threaded in most of the way -- this will make for easier alignment. The hard drive slides onto the SATA connectors snaugly against the curicut board - this is a good thing as it helps keep the connection from wiggling and deteriorating -- take you time and use a little care getting the drive onto the connector.

Don't believe the USB 3 speeds printed on the box; your SATA II drive will never work that fast. USB 3 transfer rates exceed SATA II, so you'll get all you can in terms of speed for your SATA II drive but the SATA II will limit what you can get from the USB 3. If you can forgive this one small market deception, which the whole hard drive industry exploits, then you can enjoy getting the most from your SATA II drive. Note that SATA II is often called SATA 3 Gbps to make it sound like SATA III. SATA II transfers at up to 3 Gbps and SATA III at up to 6. If you can forgive them this one other common market deception, which the whole hard drive industry exploits (seems the industry can't quite tell the truth about disk sizes or speeds ;) ), you can enjoy your SATA II drive performing well with this box.
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5 of 5 people found the following review helpful By Jan Bister on November 2, 2012
Verified Purchase
UPDATE:

It took me a while to realize that whatever HD I put into this enclosure would spin down a mere THIRTY SECONDS after the last access. This can't be healthy in the long run.
No amount of tweaking USB suspend or power management settings (under Windows 7) could change this behavior. It's definitely the enclosure itself doing this, and related comments on Mediasonic's web forum have gone unanswered so far.
I still like this enclosure but this is a huge minus for me (it may not matter that much to you), and I've since replaced it with a CoolMax model. Therefore I'm taking one star off my original rating. Disappointing!

ORIGINAL REVIEW:

Overall I'm pretty happy with this enclosure. It's sturdy and aesthetic, albeit just a tiny bit on the bulky side. The status LED could be a bit brighter but is well visible.
A nice touch: the USB connector plate doesn't simply slide onto the harddisk, but actually attaches with two screws so that contact is guaranteed to be rock-solid. Of course the outer end also attaches to the enclosure with two more screws.
Another reviewer mentioned that his included USB cable was blue...mine is black (and 1.5ft long, which is perfect). Dunno why. :-)
The leather pouch is very nice too and provides additional padding/protection when the drive is in use (heat buildup hasn't been an issue either). Another reviewer stated that the cable was hard to attach and/or the latch couldn't be closed. This isn't the case for me, though I don't know if this was a design change (like the cable color) or if he and I just did it differently (you CAN slide the pouch on two ways, after all). So the latch can either block the USB port or leave it free, depending on which way you do it.
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4 of 4 people found the following review helpful By Doug Boreland on December 2, 2012
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I rarely give product reviews - something I plan on changing now. I had high hopes for this, given it has pretty good ratings. It worked well enough - but the quality is low. It broke yesterday with not much more than slight pressure on the connection - it broke right off the board inside - it is useless now. I suppose if you are not on the road and/or connecting/disconnecting this device frequently, it would be fine. But I use this frequently, and it just couldn't stand up to normal use. Off to look for something that is a little more sturdy :(
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3 of 3 people found the following review helpful By Amazon Customer on July 22, 2012
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I've bought 3 of these so far. They arrived fast and in perfect conditions, the material is strong and fits perfectly on 2.5 inch laptop HDDs. They get the job done and the price is excellent.
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2 of 2 people found the following review helpful By Mike Vande Ven Jr. on July 23, 2012
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Finally got a computer with USB 3.0 so it was time to upgrade the backup drive. I was not sure if putting a 5400 rpm drive would show any increase in speed over USB 2.0, but I'm happy to report that it does, I didn't run any benchmarks, but watching the disk activity monitor showed a modest increase in throughouput while backing up a mixture of large and small files.

Installation of the drive is very easy, and the very short cord was unexpected and welcome for my setup (I really wish more companies would ship shorter cords by default.)
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1 of 1 people found the following review helpful By Duane Donders Jr. on January 3, 2013
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My biggest annoyance with USB enclosures is that it's hard to find one that works off a single USB port. I find this strange, because all the preloaded enclosures from WD, Seagate, etc, run fine off just the one USB connection. So, my main objective here was to find a case that worked well off a single USB port.

I tried this case and the Coolmax HD-250TN-U3. I chose them because they were Prime eligible and around $20.
Tested each with 3 hard drives: 80GB 5400rpm Hitachi, 160GB Seagate Momentus 7200.3, 500GB WD Caviar Black.

This case works great off a single USB3 or USB2 port with all drives. I had a lot of issues when plugged into a 6' USB3 extension cable (that I typically use with name-brand external drives no problem). Also had problems with the front USB2 ports on my tower, but they have always been tricky - probably my tower's wiring causing some signal degradation similar to the extension cable. It "shouldn't" be an issue, but these 3rd-party enclosures just require full power and are sensitive to long or low-quality cables. I finally tested both cases plugged directly into the ports on the back of my computer and they spun up quickly every time. For what it's worth, the Coolmax case was less sensitive and spun up more reliably off the extension cable.

Drive mounting - the case is typical for a slim case. It's sort of a hybrid of the two usual formats. It has a short circuit board, but does attach to the drive by only the front two screwholes. It comes with a thin foam pad for the far end of the drive to keep it from rattling around in the case. I prefer the type that has a full-size circuit board where the circuit board slides firmly into the enclosure and keeps the drive secure without any foam pads (Vantec).
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