They put the height for that 1TB drive in bold (nothing else on the page is), and include a note at the bottom: “The WD10TPVT model is 12.5 mm high and may not be compatible with all notebook systems. Consult system specifications for maximum allowable drive height before attempting to install.”
All the other 2.5" drives are only 9.5 mm thick, the 1TB drive is 12.5mm thick – 32% thicker – a tad more than “slightly”. :wink:
Actually I found when I swapped the Hub internal drive with the Passport 2.5" drive, the Hubs Internal Scorpio Blue drive is slightly thicker that the Passport Scorpio. The 250 Gb Passport drive needed a bit of extra packing when I put it into the Hub. The 1 Tb Hub drive is too thick to fit into the Passport case, so I will have to find another case for it. The actual length and width of the drives is almost the same, it’s just the thickness that is different.
Yeah, you could try lookin’ at newegg for a 2.5 external enclosure. You should be able to find one for less than 20 bucks.
They put the height for that 1TB drive in bold (nothing else on the page is), and include a note at the bottom: “The WD10TPVT model is 12.5 mm high and may not be compatible with all notebook systems. Consult system specifications for maximum allowable drive height before attempting to install.”
All the other 2.5" drives are only 9.5 mm thick, the 1TB drive is 12.5mm thick – 32% thicker – a tad more than “slightly”. :wink:
Curious… There’s two versions of the 1TB… A “standard” size and the thicker one. Wonder why they created a 2nd flavor, unless the thicker one was first by necessity then they figured out how to scale it down…
Curious… There’s two versions of the 1TB… A “standard” size and the thicker one. Wonder why they created a 2nd flavor, unless the thicker one was first by necessity then they figured out how to scale it down…
If I had to guess, I’d say that’s exactly it. Probably using known stable geometry and densities required an extra platter to reach 1TB. And, with it being an oddball size, it probably didn’t sell well. They presumably eventually got a higher density to be stable enough for release and could remove the extra platter. Then when they had a pile of oddball drives that people weren’t buying, stuck them in the Hub, where the size didn’t matter.
First, because according to that spec sheet PDF, they’re both AF drives… all the xPVT drives are AF and none of the BEVT drives are AF – the only reason the one is JPVT instead of BPVT is because the first letter is the capacity base unit and the form factor… all Bxxx drives are GB, 2.5-inch drives; all Jxxx drives are TB, 2.5-inch drives… the 2009 documentation lacks some of the recently-introduced codes, so I can’t quote why the thick one is TPVT instead of JPVT – logic would say WD invented a new form-factor code for the thicker drive, to mark it as oddball, since it’s not the “standard” 2.5-inch form factor that the J-code would designate.
And second, because whether there’s 512-byte sectors or 4096-byte sectors wouldn’t affect the physical size of the drive or of a platter… each platter stores the same number of bits (and bytes), it’s just the organization that’s different between AF and old-style physical sectors. The grouping is irrelevant. A day has 86,400 seconds… it doesn’t matter if you choose to organize the day as 24 hours of 3600 seconds, or as 1440 minutes of 60 seconds… you still end up with a 86,400-second day, even if an hour is bigger than a minute.
The old thin Passport drive is a WD2500BEVS model produced in 2008 - I haven’t used it for a while. Yes, now that you pointed it out, it’s strange that the 1 TB Scorpio is the only drive that is quite a bit thicker. Bucks the trend of things getting smaller as technology progresses. In practice, I don’t think many people will be swapping hard disks like me or even opening up the Hub if it has a valid warranty. As I had already opened the Hub to fix the dodgy switch, I decided to see what else I could play with. I like to tinker I’m not planning to put the Hub 1 Tb disk in a notebook, so at worst I will have to hack up an old external drive case to get the thicker drive to fit.
This is an interesting exercise - I assumed that all drives were the same standard size, but now I will check the spec. sheet before I upgrade my laptop.
If you look HERE, under the Model No.'s, only the TPVT drive has an “*” next to it signafying it as an AF drive, the JPVT does not.
However, you may be quiet right in explaination, I’m not a drive technican so I wouldn’t know what it would take to develop a 2.5" 1TB AF drive. All I’m saying is, that’s the only difference that I could see.
If you look HERE, under the Model No.'s, only the TPVT drive has an “*” next to it signafying it as an AF drive, the JPVT does not.
However, you may be quiet right in explaination, I’m not a drive technican so I wouldn’t know what it would take to develop a 2.5" 1TB AF drive. All I’m saying is, that’s the only difference that I could see.
On the other hand at the bottom of the spec sheet it says:
Advanced Format (AF)Technology being adopted by WD and other drive manufacturers to increase media format efficiencies, thus enabling larger drive capacities. (PVT models only)
If you look HERE, under the Model No.'s, only the TPVT drive has an “*” next to it signafying it as an AF drive, the JPVT does not.
Interesting… that same page, as well as not having an asterisk for the JPVT, also duplicates the July 2011 Spec sheet that does say the JPVT is AF… twice. So, on the same webpage, WD says both that it is and that it isn’t. :smileyvery-happy:
Based on the fact that the March 2010 spec sheet doesn’t list the JPVT, that seems to confirm that the thick model was the “original”, for whatever technical reasons (and an extra platter is the only thing that makes sense, in terms of building a non-standard size), and that the JPVT was added later when it was physically possible to have a standard form factor.
So, if the JPVT is the newest model, I can’t see it not being AF. I’m inclined to think the spec sheet is correct, and that the missing asterisk on the webpage is an oversight. But, my guesses have been wrong before. :smileyvery-happy:
Yeah, I wouldn’t argue with your reasoning, and more than likely your correct.
Personally though, I think that it’s because the thicker one is an Autobot and the thiner one is a Deceptacon. And the reason the Autobot is thicker is the it needs room for it’s dual high intensity lasers.
I’m not planning to put the Hub 1 Tb disk in a notebook, so at worst I will have to hack up an old external drive case to get the thicker drive to fit.
But, my guesses have been wrong before. :smileyvery-happy: