WD "My Book Studio" 2TB - rpm?
Solution 1
Yes opening the case will void warranty, of course. However, most likely the drive inside is a Green Drive. I have opened MANY of the 1TB Mybooks, and they were all Green Drives. The bare drives in the 2TB range in the Green series are most popularly classified as "Intellipower" on the spin speed. This is a technology used to vary rpm and read speed for best performance to power consumption ratio. From the WD site on intellipower:
A fine-tuned balance of spin speed, transfer rate, and caching algorithms designed to deliver both significant power savings and solid performance. Additionally, WD Caviar Green drives consume less current during startup allowing lower peak loads on systems as they are booted.
I did find a listing for a WD20EARX bare drive, which is one of the 2TB Green drives, and it lists 7200 RPM. So it seems there is mixed information out there, though there is a chance it is 7200 RPM. Take it as you may.
Solution 2
Use something like Argus Monitor, which can access SMART drive attributes of a USB-connected hard drive. It will list the model number of the hard disk inside the USB enclosure. Look that model number up on WD web site, read the specs and you'll know the RPM speed.
Please note that the model number of the hard disk inside has nothing to do with the model number of the enclosure. Moreover, I wouldn't be surprised if same enclosure has different model hard disks inside depending on manufacturing date, factory, etc. In order to find the speed of the disk, you need the model number of the disk, not the enclosure.
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Nathanael
Updated on September 18, 2022Comments
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Nathanael almost 2 years
The rpm rating of this drive doesn't seem to be listed anywhere. Not on the box, not in the manual, not online, not even on Western Digital's website. I even called them but they were evasive, insisting that an external drive's rpm was not an important factor and that they didn't have that information anyway.
Finally I got an answer and, according to the supervisor, it is 7200 rpm. However, understandably, I would still like to verify this before I begin using the device. I've hooked it up to my MacBook but System Profiler doesn't list the rpm rating in the drive's specs. I'd pry it open to check the manufacturer label, but that would obviously void the warranty. Any ideas?
Model #: WDBC3G0020hal-00 (from the chassis)
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Breakthrough over 12 yearsYou need to open the enclosure and look at the actual HDD inside of it. The RPM rating should be present on the drive label, and if not, you could simply look up the HDD model on the internet and get the information from there.
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Nathanael over 12 yearsI have looked up the model number online, but that has proven to be a fruitless endeavor. Any listing for the drive has omitted the rpm rating. Also, as stated, I'd like to avoid opening the chassis if at all possible (though I would do it as a last resort).
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XXL over 12 yearsI would just like to add that HDDScan is an identical lightweight tool (able to identify SMART of USB-connected devices). However, both of these are incompatible with OSX.
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Nathanael over 12 yearsAs mentioned, I'm using the drive with Mac OS X (which is also the drive's default system, though it can be formatted for Windows, obviously). For that matter, I can check the SMART status with the included software. As for the model number, would the model number on the manufacturer label really differ from the printed model number on the box? If they are the same, then I have already looked it up to no avail. And if I'm going to open it anyway, would that label not include the rpm already? Again, trying to avoid having to open it if I can. I'd like to preserve the warranty.
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Nathanael over 12 yearsThank you. A clear answer if there ever was one. Since I work in pro-audio, a potential top-speed of 7200 rpm is not really helpful. Though I admire their effort at making a "green" device, if it can't keep up with the software at a consistent rpm, than the software will trip over itself, causing errors in live playback. Will exhange the drive. Thanks again!
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Paperlantern over 12 yearsNot necessarily. The throughput of the DRIVE is drastically different to that of the INTERFACE of the external enclosure holding the drive. SATA is 3Gbps (Now 6 on newer boards) on an internal connection. USB 2.0 is 480Mbps. Big difference. A firewire or eSata external drive might work better for you.
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haimg over 12 years@Nathanael: Updated my answer. No need to open the enclosure, but you probably need access to a Windows machine unless you can find something for OSX that shows real model number of a hard disk in a USB enclosure.
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XXL over 12 yearsFrom what I've read (russian article) - "Green" drives by WD have an intentional rotating speed of 5400-5900rpm.
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Paperlantern over 12 yearsTo put it simply eSata > Firewire > USB. In terms of speed. Usb is the most common, but it's also the slowest. More and more systems are shipping with Firewire and eSata ports these days though.
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Paperlantern over 12 yearsYeah I guess that is true. Have you tried using the drive though? Firewire is pretty dang fast. Though again, if the drive isnt fast enough in the end, you most likely need a faster interface, not a faster physical drive.
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Nathanael over 12 yearsIt's not transfer speed though that's the problem (Firewire takes care of that), it's read speed. If it can't read quickly enough, it won't keep up with the software properly (Logic Pro, specifically, but any digital audio workstation).
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XXL over 12 yearsYeah well, that's already seek / "access time" related, not bandwidth. Honestly, you might be fine with this disk. Try and see, I guess.
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Nathanael over 12 yearsUnless I'm mistaken, rpm affects latency. If there is too much latency when a DAW is trying to access and execute a gigbyte's worth (or more) of digital samples, this can cause errors in live playback. These kinds of errors are something that I've already experienced with drives of 5200 rpm.
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XXL over 12 yearsYes, it does. However, your experience might differ, as this drive is more of a "black horse" in terms of the rpm. Maybe it pushes out 5900 that is just about enough in your particular case, maybe it doesn't. The best thing to do is to try and see, really :-) It's hard to be predict otherwise. You tell us :p
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Paperlantern over 12 yearsSomething I thought of here, is if rotational speed is indeed a factor, even in external enclosures for you. You could grab a WD Raptor drive, take it out of its heatsink and put it in a External firewire drive cage. Raptors are 10,000 RPM. Though I think the SIZE would suffer a bit, Raptors are a bit smaller overall.