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Item#: N82E16817689001

ARCTIC 2.5" HDD Enclosure Portable External Storage, Supports USB 3.0, Stainless Steel - Silver

  • Supports USB 3.0, upto 5GB/sec
  • Stainless steel case
  • Only 2.5 oz
  • Inlcuded 15" cable
  • 2-year limited warranty
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ARCTIC’s ultra-thin 2.5” hard-disk enclosure is even slimmer than the thinnest MacBook Air! With its USB 3.0 interface, you'll get a super high-speed data transfer rate of up to 5Gbps, optimizing power efficiency for your hard disk. It also provides maximum protection for your add-on hard drives. What's more, The Arctic 2.5" HDD Enclosure was specifically designed for easy installation and use.
Technical data
0.4 x 2.9 x 4.9in. (10 x 74 x 125mm)
Packaging Dimensions
0.5 x 4.5 x 5in. (13 x 114 x 127mm)
Compliant 2.5" SATA II HDD / SSD with maximum 9.5mm thickness, 4TB max.
Cable USB 3.0 Cable - 20cm
OS Windows 7 / Vista / XP
Mac OS X
Limited Warranty 2-Year
Product Net Weight 2.6oz (71g) (not including the HDD and USB Cable)
itemnumber PCACO-E250101-GB
UPC 0872767004788
Gross Weight 1lbs (0.4kg)

Learn more about the ARCTIC COOLING PCACO-E250101-GB




AC Adapter
Internal Interface
External Interface
USB 3.0
Maximum Capacity (per Bay)
Up to 4TB
Supports USB 3.0 Interface Up To 5GB/sec Transfer Rate

Ultra-Durable Stainless Steel Surface 4-Times Stronger than Aluminum

Less than 0.4" Thick, Thinner than MacBook Air, Weighs Only 2.5 oz.

Modern & Elegant Design for Hi-Tech Appearance & Total Mobility

Included 15" Extra Long USB 3.0 Cable.


Operating Systems Supported
Windows 7 / Vista / XP
Mac OS X

Dimensions & Weight

0.4" x 2.91" x 4.92"
0.16 lbs. without HDD and USB Cable

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the ARCTIC COOLING PCACO-E250101-GB

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  • Jeannie C.
  • 2/1/2014 11:14:09 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsAddendum to Previous Review

Pros: See previous review

Cons: See previous review

Other Thoughts: When I first reviewed this, I had been using a 5400rpm HDD in it. After using it for a while, I experienced an occasional dropout. I replaced the drive with a 7200rpm HDD and it refused to be recognized by the computer at all. I removed the HDD put the enclosure in a drawer and forgot about it for a few months after that. I recently came across it and was all set to write a scathing review to replace my original one when it dawned on me I had been plugging it into the USB 2.0 port on my notebook. Unlike USB 3.0, USB 2.0 doesn't have enough power to properly run a HDD, especially a 7200rpm HDD. I got a USB 3.0 Y cable (and had a hard time finding it) that has an extra connector to steal power from a second USB 2.0 port and that was all that was needed to get the enclosure working properly with a 7200rpm HDD. Nor did I have any more problems with dropouts after that

One reviewer complained about the use of the USB 3.0 Micro B connector on the case. The reason that was used is a standard USB 3.0 B connector is larger than the thickness of the case and a port for it wouldn't have fit without making the case significantly thicker (not a bad idea if it added more padding).

A common complaint is the included cable is pretty stiff. USB 3.0 cables tend to be a bit stiffer because they have more conductors.

In my previous review, I complained about the plastic sheet used to insulate the HDD's circuit board from the case having to be stuck onto the HDD. When I was putting the HDD back into the enclosure this time, I used double sided cellophane tape to stick the plastic sheet to the cover of the enclosure instead of to the HDD. The manufacturer should have insulated the cover at the factory instead of requiring the user to stick one to the HDD. That is one reason I left my rating at four eggs. The others are it's a bit overpriced for what you get and either a Y cable should have been included (the extra connector can be left unused if unneeded) or a disclaimer should have been in the description saying it will not reliably run a HDD off a USB 2.0 port, if it will run at all.

1 out of 1 people found this review helpful. Did you? Yes No

  • Jason S.
  • 1/25/2014 4:42:21 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsNot properly backwards-compatible.

Pros: Attractive design. Slim, light, easy to dismantle and assemble. Clear instructions.

Cons: Not fully compatible with USB spec. It uses a new USB 3.0 micro connector, which per the USB spec is backwards-compatible with USB 2.0 micro connectors. However, when I attempt to use the drive with a USB 2.0 cable, no computer properly detects or can access the drive.

Other Thoughts: Returned for RMA within 24 hours or receiving, due to clear defect or mislabeling. Do not buy this product if you need something backwards-compatible.

0 out of 2 people found this review helpful. Did you? Yes No

  • Frank M.
  • 1/21/2014 5:40:07 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsBad USB Cable

Pros: The case was very easy to open up with a jewelers flat head screw driver. The 2.5 inch WD hdd I put in the case slid in with no hassle and didn't slide around at all.I made sure to put the plastic film on the circuit board side of the hdd. Plugged the unit in with a secondary usb cable i had from seagate and it connected with no problem and transferred files at about 110MB/s over USB 3.0.

Cons: The USB 3.0 cord that shipped with the unit is apparently bad, as it would drop the transfer speed to null for a couple seconds and then speed up. Then all of a sudden my Mac said the drive was disconnected incorrectly. Tried to plug it back in and the same thing happened. RESOLVED ISSUE by using a different usb cable.

Other Thoughts: Make sure to purchase another Usb 3.0 Male A to Male B for this unit because the shipping usb cable is so short and cheaply made.

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  • Richard B.
  • 10/31/2013 3:41:42 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsJunk

Pros: The stainless steel cover looks very nice and sturdy.

Cons: The enclosure will not stay snapped together. The connector on the enclosure is unlike any others that I have seen, and the cable is difficult to insert. Mine quit working in a few weeks, which is not surprising when the unit will not stay closed so the drive can put stress on the internal connector.

Other Thoughts: I have many other similar enclosures. The weakness in most of them is where the cable plugs into the enclosure. Ultimately the connector doesn't matter much if the unit will not stay closed. The one-piece extruded aluminum tube design seems to be much better for holding everything together, and so far, the best connectors seemed to be the ones that have the large standard USB connector on the enclosure. It doesn't really make much sense to put a tiny connector on the enclosure since there is plenty of space for it (unlike a telephone). The standard USB connector are pretty beefy.

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  • Gergana T.
  • 8/29/2013 12:08:33 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsBroke in seconds

Pros: Very compact.

Cons: It worked for about 2 minutes and then it seemed to disconnect itself. Worked briefly for a few more seconds and then it would never work again. First you could see the device, but neither the Disk Manager nor Seatools would find a disk. Then even Windows stopped detecting the device once plugged in. Tried it on a different computer and there I got some sort of a "USB device malfunctioned" message. Tried another disk in the enclosure: same story. Hopeless.

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  • William W.
  • 4/26/2013 8:44:41 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsA Good Value With Solid Performance

Pros: The overall quality of this case is very good, and the Arctic 2.5" HDD Enclosure has no compatibility issues running when connected to a USB 2.0 or 3.0 port on an Intel Core i7 based Dell OptiPlex 7010 Mini Tower running under 64-Bit Windows 7 Professional, or an Apple 13" MacBook Pro with a Retina Display with a Dual Core Intel i5 under Apple OS X Mountain Lion. The performance and throughput when connected to a USB 3.0 is solid and consistent when running with either system. Our primary reason for purchasing this case was to serve as a basic OS X based Journaled File System backup device for our MacBook running Apple's Time Machine.

Packaging & Appearance:
Both the top and bottom plates are a very good quality stainless steel with a simple black bezel of plastic along the edges. A small blue LED is on the back edge near the USB 3.0 connector, and its ambient light, although visible, is not overly bright or distracting when the drive is accessed and running in a dark room. The overall size and slim appearance matches very well with the MacBook Pro, and would compliment almost any other system case.

Cons: None

Other Thoughts: Overall:
Although purchasing this case with a bare OEM hard disk drive did cost a bit more when compared to a pre-built branded external USB 3.0 hard disk unit, the overall quality and value of the Arctic 2.5" USB 3.0 HDD Enclosure with the drive we selected is very good , and we're quite pleased with our purchase. I configured ours to use a Western Digital Scorpio Blue (WD10JPVT) SATA 3.0 1TB 5400 RPM 8MB Cache 2.5" Bare Hard Drive.

There are no screws or sliding rail guides to open up this case to install a hard disk. Using a small flat head screwdriver and gently sliding it in the gaps at the corners of the case and slowly and carefully turning and lifting the top plate up, the interior was easily exposed. The kit comes with a thin plastic film with a cutout for a hard disk drive's main spindle, and two small adhesive strips that separate and insulate the bare drive controller chips from having direct contact with the bottom plate of the case. I made sure to have the insulation film line up correctly and manually held it in place on the bottom of the disk drive as I slid the drive to the case's back mounted SATA controller. Considering that the SATA controller didn't have any significant flexing or bending, and the overall compact size of the case, there was a small but reasonable amount of room at the front of the case and on the sides to slide the disk drive into the SATA controller. Although the kit comes with a 15" / 40cm USB 3.0 cable, I would have preferred a slightly longer cable, but the length of the bundled USB cable is acceptable.

Overall formatting of the drive using this case under Windows 7 or OS X Mountain Lion was straight forward and quick. Although the case and disk drive will work when connected to a USB 2.0 port, to gain the best I/O throughput and performance from the disk drive, it's highly recommended that the drive and case is connected to a USB 3.0 port for regular use. As a quick check of the drive after installation and formatting under Windows 7 using the NTFS file system with default cluster size, I was able to copy over a folder of about 1.6GB in size using the Windows Desktop Explorer almost instantaneously. Reformatting under OS X Mountain Lion using the Mac Journaling File System was slightly slower, but still, done in a reasonable amount of time. The initial backup of the MacBook's 106GB of data to the drive using the Arctic case was completed by Time Machine in approximately 38 minutes, with an average transfer rate of a bit over 2.5GB per minute.

2 out of 2 people found this review helpful. Did you? Yes No

  • Jeannie C.
  • 4/26/2013 5:35:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsNice!

Pros: It's a nice, compact little enclosure that takes up very little more room than the HDD itself. Once assembled, it seems to be pretty sturdy and is easy to use.

Works fine on both USB 2.0 and 3.0 when used with the correct cable (such as the one included).

Cons: It could have used a little padding on the top and bottom.

It was a bit tricky to pry the case open to install the HDD.

The case was a bit too long and it was possible to slide the HDD in and out of the SATA connector a bit. I shimmed the end with a bit of folded paper so the HDD wouldn't be able to shift inside the enclosure.

The included USB cable is a bit on the stiff side.

Other Thoughts: CAREFULLY READ THE DIRECTIONS! The directions show using a screwdriver to pry open the case. I found a sturdy knife blade works better (just don't cut yourself!). The case cover has to go back in a certain direction to make sure it latches properly. Again, read the directions carefully. Also, pay attention to which direction the plastic piece goes onto the bottom of the HDD.

A USB 3.0 A to USB 3.0 Micro B cable, such as the one included, must be used with this enclosure. USB 3.0 Micro B is a standard (albeit uncommon) USB 3.0 connection, not a proprietary one as one review stated.

One reviewer was concerned about the case shorting out on the HDD printed circuit board. A piece of clear plastic with a couple of adhesive strips is included to be applied to the back of of the HDD to protect the circuit board (it would have made more sense to have lined the inside of the case bottom). Be sure to not lose that piece of plastic when first opening the packaging.

The product description says the case is aluminum in one place and stainless steel in another place. It's stainless steel.

1 out of 1 people found this review helpful. Did you? Yes No

  • 4/17/2013 5:14:35 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsVery Nice

Pros: Good price; nice looking unit; small and light; easy installation; seems quite fast; only one USB port needed to power.

Cons: Minor--SSD fits a little loosely (need to put a very thin layer of foam sheeting in to hold snugly), but I tested with an old SATA 2.5" HD from my notebook and it fit very nicely.

Did you find this review helpful? Yes No

  • Scott H.
  • 4/10/2013 6:21:08 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsNot bad but...

Pros: Small nice size and reasonably well built.

Cons: Cable is just too short, and rather stiff. No limp noodles here, which would be a good thing. Cable is so short and stiff that it really tends to twist in the case enclosure....would be alright if it was a locking plug. Other down side is a proprietary cable. Don't lose it!

Other Thoughts: Not bad, good for travelling....originally bought to clone a laptop HDD to a Samsung 840 SSD.....well the Samsung software sucks so not used as was intended, but not bad for a back-up solution travelling.

0 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 4/7/2013 1:54:53 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsNice case

Pros: Sleek, thin case and aesthetically pleasant. Nice transfer speeds through USB 3.0 on my Macbook Pro (22 GBs in less than 8 minutes). Stuck a 500 GB WD hard drive in there it worked fine. I use it as the primary backup drive for my computer.

Cons: Included cord is really short and stiff. Prying apart the case to install a hard drive is annoying, but I don't plan to swap out drives constantly. USB connector that goes into the case feels like it could break easily, so I'm being really careful with it.

Other Thoughts: Definitely look into this if you need an external case for your SATA 2.5" hard drive.

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Item#: N82E16817689001
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