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  • lours - Tuesday, March 04, 2014 - link

    What is the default setup for the models that come with drives? What capacity are the drives? Reply
  • hlmcompany - Tuesday, March 04, 2014 - link

    As a whole, the unit comes in capacities of 0, 4, 6, and 8 TB. For the units that come with drives, they are the WD Red Drives, such as WD20EFRX, which are slower performing than the 7,200 rpm WD RE4 drives used in this review. Reply
  • ganeshts - Tuesday, March 04, 2014 - link

    Configurations with disks are ready to operate out of the box in RAID-1 configuration. So, a 4 TB model, say, will have 2 TB of usable space.

    As hlmcompany mentions, the WD Red drives are used.
  • chubbypanda - Tuesday, March 04, 2014 - link


    Annoyingly enough, some WD previous models (My Book Studio II) would work only with WD Green drives. Looking at WD's list for EX2, situation is better in this case:
  • Oyster - Tuesday, March 04, 2014 - link

    This review (including some of the other NAS reviews) seems lacking. What's the point of just showing the read/write numbers without giving us the benchmarks. Like why not show us the comparison to Synology and QNAP 2-bay NAS devices? I'd be more informative to see the performance of things like VM images running off these devices as well. I hope this feedback is accounted for in the future reviews. Reply
  • hlmcompany - Tuesday, March 04, 2014 - link

    Agreed. There might even be some relevancy to comparing the My Cloud EX2 with the previous generation model sold as the My Book Live. Reply
  • ganeshts - Tuesday, March 04, 2014 - link

    We have already taken care of that aspect in the multi-client tests. Each graph has a drop-down menu under it that allows readers to view the results from the evaluation of similar NAS units. For example, this review lists other 2-bay NAS units that we have evaluated in a similar manner before. The ioSafe N2 presented as a comparison in this review is the Synology DS213. Unfortunately, we haven't evaluated any 2-bay QNAP units.

    We also have NASPT single-client results for more NAS units. Currently working on a way to integrate a comparison with a drop-down similar to what we have done for the multi-client tests.

    As for VM images, can you clarify the exact use-case? I was under the impression that users mount iSCSI volumes on VMs, and we already present iSCSI performance numbers. (at least, that is what I do with some of my VMs).
  • romrunning - Tuesday, March 04, 2014 - link

    To clarify, the comparisons with other 2-bay NAS are only on the "Multi-Client Performance - CIFS" page. It would have been helpful to have them on the other pages with performance graphs, like the Single-client Windows page. That would make it much easier to compare the different models/vendors. Reply
  • Oyster - Tuesday, March 04, 2014 - link

    Well, mounting the iSCSI volumes is good, but what I meant was to show us the actual comparisons of VM images running from different devices. So a use case would be to do a big Visual Studio compile on a VM over iSCSI on devices from different vendors. All these vendors claim virtualization compliance, so it'd be nice to put numbers against such claims. Data could include network throughput and CPU/RAM consumption, for e.g. This would also help us understand how good some of the Marvell processors are against Atom/x86. As it stands now, the graphs are too confusing...

    Also, as others have pointed out, it's a bit tedious to go clicking through every device from the dropdown and not at all intuitive. If I want to look at HD video playback throughput, I should be able to just look at the line graphs of the different vendors in one chart. Kind of like the video card comparison.
  • creed3020 - Tuesday, March 04, 2014 - link

    I also have to agree that a comparison to other reviewed devices is lacking. This could be in the form of updates to the charts so that they show different units e.g. Video Cards FPS benchmarks, or done verbally within the conclusion or it's own section doing a breakdown of each test.

    These devices are not in Bench so we cannot compare the data there either.
  • hlmcompany - Tuesday, March 04, 2014 - link

    The article states: "The Western Digital My Cloud EX2 is bundled with a 36 W(12V @ 3A) adapter. A power cord (customized to the country of sale) and a network cable are included in the package." The EX2 units do not include a power cord. The 36 watt power adapter is a fixed-plug wallwart-style unit. The comment about a power cord seems to be left-over from the EX4 review. Reply
  • ganeshts - Tuesday, March 04, 2014 - link

    Thanks for the note. I have fixed the relevant text. Reply
  • redmist77 - Wednesday, March 05, 2014 - link

    I refuse to buy any product with cloud in the name. Reply
  • romrunning - Wednesday, March 05, 2014 - link

    Well, that just kills my idea for "Cloud-soft" (tm pending) toilet paper! Reply
  • futbol4me - Thursday, March 06, 2014 - link

    One very useful non-geeky benchmark would be time machine backup performance. I have a mybook live and while it may read and write files with decent performance via afs or smb, time machine backups are almost unuseably slow. Reply
  • teich50 - Saturday, March 08, 2014 - link

    Has anyone figured out how to perform an encrypted Time Machine backup to My Cloud? I think, by default, the Time Machine back up writes to the Guest account with no encryption, which is scary. Reply
  • Atty - Sunday, March 09, 2014 - link

    What is your recommendation on hard drive choice? For this to be used to share and store mainly media files and stream them to various devices. Would it be worth the investment to get the re4 drives or are the red drives suitable? Reply
  • Cybernut1 - Friday, March 21, 2014 - link

    Red drives are recommended.For a home or small office setup Re drives are overkill. Re drivesare geared towards data centers. WD recommends Red for most common uses for this product though they will support select few other drives. Here's the full list of supported drives - Reply
  • Cybernut1 - Friday, March 21, 2014 - link

    The couple big issues for me with this having used it for a week are:

    1) Currently the ftp functionality is broken (if you are trying to ftp from outside your local network - which is almost 100% of the time). Broken because you cannot save your external IP for passive ftp to work and that is critical. It keeps resetting the external IP value to I have a trouble ticket open with their tech support but ETA for fix is unknown at this time.

    2) There does not seem to be any way for sftp - which is really a reason for many to get this. Even if you can get ftp to work (by going into the shell and making unsanctioned edit to the ftp configuration file), you cannot really do much about sftp. I am used to creating sftp via shell access for work - but here when you try to create an user in the embedded lightweight linux, that user cannot login to the shell no matter what privs you give that user. And without a remote way to ssh into the box, you can't do scp or sftp. So their marketing claim about "Secure FTP support" on this page -> (click on Advanced Serving tab) is rubbish.
  • jmm317 - Thursday, June 05, 2014 - link

    I found WD My Clound EX2 and was happy because I bought this was a great idea and a perfect solution. I found the product has several problems that makes this product useless. The problem is the following. The unit CPU work 24/7 at 100% because it has issues with a process name "Convert" that tries to create thumbs to media files. The problem I´m experimenting it not an isolated case, you can find in WD Community lots of people having the same problem. WD is aware of the problem for a while and has not find a solution (firmware update) or doesn´t care.

    This problem:
    - Not been able to access the unit.
    - When you have access the unit crashes.
    - Difficulty to access files.
    - Continually crashes and need to be restart.

    WD should stop selling My Clound EX2 and start a refund process.

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