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Western Digital WD20EURS AV-GP HardDisk
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|Prezzo||Da EUR 146,21||EUR 72,40||EUR 85,50||EUR 65,48|
|Spedizione||—||Spedizione GRATUITA||Spedizione GRATUITA||Spedizione GRATUITA|
|Venduto da||Disponibile presso questi venditori||FabioStore||Adognicosto||A-MONTAIN|
|Velocità di trasferimento dati||375MB al secondo||750MB al secondo||750MB al secondo||750MB al secondo|
|Velocità di rotazione hard disk||5.400 rpm||5.400 rpm||7.200 rpm||7.200 rpm|
|Dimensioni hard disk||2.000 GB||2.000 GB||2.000 GB||2 TB|
These drives are designed to last in always-on, streaming digital audio/video environments such as PVRs, DVRs and surveillance video recorders.
Reduced power consumption.
With the combination of WD's IntelliSeek, IntelliPark, and IntelliPower technologies, WD has reduced power consumption by up to 40 percent compared to competitors' drives.
Noise levels have been minimized to less than one sone – virtually below the threshold of human hearing.
Tested for compatibility in a broad range of AV products including set top boxes, DVD recorders, and mainstream surveillance systems.
Optimized for smooth, continuous digital video playback of up to twelve simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so CE customers can use standard streaming management and error recovery options.
Calculates optimum seek speeds to lower power consumption, noise and vibration.
* A sone is a subjective unit of loudness as perceived by a person with normal hearing.
Delivers lower power consumption by automatically unloading the heads during idle to reduce aerodynamic drag.
Preemptive Wear Leveling (PWL).
The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio video streaming applications.
Advanced Format Technology (AF).
Technology being adopted by WD and other drive manufacturers as one of multiple ways to continue growing hard drive capacities. AF is a more efficient media format that enables increased areal densities.
These drives are designed to last in high temperature always-on streaming digital audio/video environments such as PVR/DVR, DVR recorders and surveillance video recorders.
PVRs, DVRs, set-top boxes (STBs), and surveillance video recording.
Acoustic pressure emissions: 24 dB
Colour of product: Black
Data transfer rate: 3 Gbit/s
Depth: 147 mm
Drive device, buffer size: 64 MB
Ethernet LAN: N
FireWire 400: N
FireWire 800: N
Hard drive capacity: 2000 GB
Hard drive interface: Serial ATA
Hard drive size: 3.5"
Hard drive speed: 5400 RPM
Height: 26.1 mm
Operating temperature (T-T): 0 - 60 °C
Power consumption (idle): 4 W
Power consumption (read): 4.5 W
Power consumption (standby): 0.7 W
Power consumption (typical): 4.5 W
Power consumption (write): 4.5 W
USB powered: N
Weight: 640 g
Width: 101.6 mm
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This pertains to the low-end TiVo Roamio model, the only new TiVo model that works with an over the air HD antenna, which is my use, having just cut the cable company cord. The hardest part, should you be interested in swapping out the original drive, is opening up the case. An earlier set of directions that I found with a web search mentioned removing two screws from the back and sliding the case forward to reveal the innards. Not so with my case. I finally realized that I had to pop the lid off the case after removing only the middle screw from the back (Torx driver). But, this is not the easiest thing to do because the lid is secured with several integral plastic pressure clips. I was too lazy to go to my tool stash to retrieve a sparger, so I used a blunt-nosed table knife and inserted it CAREFULLY so as not to break any clips. Other than that, it was just a matter of unscrewing some screws that held the drive in place using Torx drivers. First the brackets that mount to the chassis (three screws), and then the four screws that secure the drive in the brackets. Unplug the SATA connector; reverse the process using the replacement drive; snap the lid back on, and you're in business.
Now I have more storage capacity for recorded shows than I will conceivably ever need.
I considered simply adding an external hard drive built specifically for Tivo, a simple fix (by the way, Tivo charges about twice what you can get them from Amazon, etc). However, since I am familiar with computers and after reading how the external drives seem not hold up so well in the long run and how you might loose the programs stored on both the main drive and the external if it ever dysfunctions or you disconnect the external hard drive, I decided to just have one larger drive inside the Tivo with more recording capability.
I searched on line and in the Tivo forums found that upgrading my Tivo Premiere XL would be easy and that I could increase my recording potential from 150 Hrs with the 1 TB drive in it to 300HD hours with a 2 TB WD20EURS drive (already maximized with reliability, power saving and compatible functions for Tivo and Video recording - 3 Yr Warranty). All I needed to do was copy the contents of my current 1 TB Tivo which is already a WD10EURS to 2 TB using a Western Digital WD20EURS Hard Drive as the target drive. By the way, Tivo software at present WILL NOT support a 3TB drive, so do not buy one of those.
To do that, I found a reference to a program called JMFS, rev 104 in Tivo forums after a Yahoo internet search. I downloaded it, and and when I clicked on the download, I was given the option of burning the disk which I did creating a boot cd with the JMFS program on it.
I then repeatedly hit F2 as my computer was starting to change the boot order to CD Rom before hard disk (change this back to hard drive when done with the copy procedure). I unplugged my Tivo, then using a Torx T10 and T15 screwdriver (purchased at Ace or online), I removed the four screws to the Tivo cover and then slid back the cover to my Tivo, and being careful not to touch anything else inside (possible shock), I removed the current Tivo hard drive which has four Torx screws holding the rail inside . I then inserted the JMFS boot drive into my computers second CD drive and turned OFF my computer, opened the side of my computer and disconnected the power and sata belt to my computers main hard drive (leave the computers hard drive in the machine) and then connected the power and SATA plugs freed up inside my computer from disconnecting the hard drive(s) in the machine to both the old Tivo drive taken out of my Tivo and the new 2 TB drive I am copying to. (hard drives now sitting on floor both connected next to computer). I then started the machine allowing my computer to start and boot up from the JMFS boot disk in the CD Rom. The program showed me both the older smaller Tivo Drive and the Newer Larger Drive and then gave me the option to copy from the smaller to the larger (make sure that you have this right), and after the copy finished (about 3-4 hours), I was given the option to expand my new drive to 2 TB for tivo, and then to supersize which only took about one second each.
Done! Nothing else needed to be done since the WD20EURS is already optimized to work with Tivo (no need to worry about parking or seek speeds or running the Wdidle program). I simply put the new drive into my Tivo, and now it says 320 Hrs of HD recording available.
Naturally, to make my computer usable again, I turned it off and disconnected the Tivo Drives, and reconnected my hard drive power and sata belts, and started my computer hitting F2 again to access the setup and bios program and changed back the order of the boot to hard drive first.
Note, that the WD20EURS needs to be aligned if instead of puting it into a Tivo or video recorder you leave it inside your computer running with Windows XT in place unless you align the hard drive first (a jumper setting), however, this is not a problem setting up a tivo drive as the JMFS boot disk that you made has its own operating system that you use when you boot and the fact that windows XT might be on your computer is totally irrelevant to the copy procedure. So don't worry about windows XT being on your computer for this copy procedure and don't add a jumper or alter or align the WD20EURS when you get it!
If I had known I was going to buy an upgrade drive, I probably would have purchased the $400 Tivo Premiere XL4 machine (cheaper on Amazon) with 300 HD hours already available and the ability to record four channels at a time instead of 2 channels and only 150 HD recording hours like the Tivo Premiere XL. By the way, you can get a refurbished Premiere XL from Tivo with 150 HD hours for $150 at present. And of course, it may be wise to save the old Tivo drive removed as a backup should your new drive ever fail or to put in the machine for a factory return if you need service later.
The instructions to do this upgrade may be slightly different for an older version than a Tivo Premiere, however, they are readily available on the internet. If you are not confident about doing this and are out of space, the external drive may be a much better option for you.
Of course, a computer shop or hard drive cloner tool may be able to clone your Tivo Drive onto the larger drive. However, you may still need to run the JMFS boot disk to expand the new drive to the full 300Hrs recording time and supersize (for another 20 hours) the disk and if you have less than a Premiere machine, you may need to use a different program to supersize (instructions on line).
The new drive does not invalidate the ownership of your Tivo, which is recognized from a microchip in the machine. Also, this process works fine with a machine with Windows XP as mentioned since you are using the Unix Operating system on the JMFS boot disk. My drive although bulk OEM, was easily recognized and used for the copying of my older drive to the new. Other drives may work for this procedure, but the WD20EURS is an AV drive optimized to conserve its resources when not being used and to be more reliable in the long run.
As a side note, Comcast in our area only broadcasts at 720dpi even in high definition. When I set my Tivo to record higher than that, the picture looked terrible, some sort of bad upsampling apparently. So, if you don't like your picture, try setting your tivo for recording at 720 dpi.
Also, when I plugged the drive into my computer, it was already formatted and the volume label is ELEMENTS.
So it looks like I received a recertified Elements hard drive. So I now I wonder if it has the AV-GP firmware or not.
I've opened a case with WD support. I'll let you know what they say.
I heard back from WD Support. This drive is a recertified drive, as the label says. WD will extend the warranty to 3 years from the ship date, after I send proof of purchase and a photo of the drive.
Since the drive is being sold as New on Amazon, I don't think it's right for Storite to ship recertified drives instead. I don't really have a problem with recertified products in most cases, but they should definitely be listed as such, so you know what you're buying.
Same type (Western Digital AV-GP) drive. When new Roamio arrived, just swapped out the 1TB with this 3TB drive. Powered up the unit and it re-initialized the drive and once all the updates has processed, the System Information screen showed over 450 hours of HD recording available. Sweet.