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HR34 External Hard Drive Compatibility


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136 replies to this topic

#26 OFFLINE   Bartman94

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Posted 23 January 2012 - 07:08 PM

I'm going to go with an internal hard drive as the majority of the enclosures I've found including the Antec MX-1 and the Thermaltake BlacX only support a 3 Gb/s transfer speed and I want to go with a 6 Gb/s hard drive unit and I'm also going with Western Digital as it's the OEM installed by DirecTV. The WD20EURS is actually very hard to find so I'm crossing it off the list. The WD20EARS only has a 3 gb/s transfer speed so I'm crossing it off as well. The WD20EARX does have a 6 Gb/s transfer speed but the rotational speed is only 5400 rpm so I'm probably going to dismiss it as well. So after much research and deliberation I'm leaning towards the WD Caviar Black WD2002FAEX. Does anyone know much about the WD2002FAEX? What I mean is whether or not the 6 Gb/s transfer speed and 7200 rpm rotational speed of the WD2002FAEX is noticeably faster, more responsive, and worth the extra money in this application than the 3 Gb/s transfer and 5400 rpm rotation of the WD20EARX. Does the transfer and rotational speed really matter in this comparison or am I just over analyzing it?

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#27 OFFLINE   Davenlr

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Posted 23 January 2012 - 07:21 PM

Does the controller in the HR34 actually support anything faster than 1.5 Gb/s?
As for speed, seek speed and cache size would be my concerns. Usually 7200 rpm drives have faster seek times. As far as actual transfers, 5400 is way more than is required.

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#28 OFFLINE   Bartman94

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Posted 23 January 2012 - 09:32 PM

Everything has now been decided after completing all of my research. The Western Digital WD20EURS is the absolute perfect upgrade and my final choice. The next question I have is should I use it to replace the factory installed internal hard drive, or should I get an enclosure and just use the WD20EURS externally using an eSATA cable? What's your advice?

#29 OFFLINE   P Smith

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Posted 23 January 2012 - 09:33 PM

I'm going to go with an internal hard drive as the majority of the enclosures I've found including the Antec MX-1 and the Thermaltake BlacX only support a 3 Gb/s transfer speed and I want to go with a 6 Gb/s hard drive unit and I'm also going with Western Digital as it's the OEM installed by DirecTV. The WD20EURS is actually very hard to find so I'm crossing it off the list. The WD20EARS only has a 3 gb/s transfer speed so I'm crossing it off as well. The WD20EARX does have a 6 Gb/s transfer speed but the rotational speed is only 5400 rpm so I'm probably going to dismiss it as well. So after much research and deliberation I'm leaning towards the WD Caviar Black WD2002FAEX. Does anyone know much about the WD2002FAEX? What I mean is whether or not the 6 Gb/s transfer speed and 7200 rpm rotational speed of the WD2002FAEX is noticeably faster, more responsive, and worth the extra money in this application than the 3 Gb/s transfer and 5400 rpm rotation of the WD20EARX. Does the transfer and rotational speed really matter in this comparison or am I just over analyzing it?

You are betting on length of a tail and color of ears while picking the 'horse'.
[Definitely not reading before posting .]
a) NO ONR DVR is support 6 Gbps interface speed.
B) 7200 RPM is not a factor: 1 HD [channel] recording stream is ~1 MB/s, two - ~2 MB/s, OTA - ~2 MB/s; 5400 RPM drive has sustain R/W speed ~30-40-60 MB/s: ENOUGH !

c) no reasonable cache size [8-16-32-64 MB] will help for such stream, one or more.

The mentioned [many times] criteria:
- AV type what support 24/7,
- require less time for internal regular recalibrations,
- taking less energy as possible, ie keep own temperature less then 120 F inside badly ventilated case,
- perhaps low noise, if you keep the DVR close to your ears.

#30 OFFLINE   P Smith

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Posted 23 January 2012 - 09:34 PM

Everything has now been decided after completing all of my research. The Western Digital WD20EURS is the absolute perfect upgrade and my final choice. The next question I have is should I use it to replace the factory installed internal hard drive, or should I get an enclosure and just use the WD20EURS externally using an eSATA cable? What's your advice?


It's the same as mentioned last few years: for owned DVR - internal, for leased - external.

#31 OFFLINE   CCarncross

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Posted 23 January 2012 - 09:36 PM

Does the controller in the HR34 actually support anything faster than 1.5 Gb/s?
As for speed, seek speed and cache size would be my concerns. Usually 7200 rpm drives have faster seek times. As far as actual transfers, 5400 is way more than is required.


The HR's currently only support 1.5Gb/sec, the 6Gb/sec drives are pointless in this application. I still have one HR that has a 32MB cache model drive(EADS), and it seems to stay busier if the drive activity light on the BlacX is any indication compared to my EURS with the 64MB cache. I see absolutely no difference in system performance though. I tried a 7200rpm drive at one time as well and all I got was more heat...my experiences say stick with the 5400rpm 64mb cache drives..YMMV. I've been playing with these things for over 5 years now. I cant tell you if the HR34 has a SATA chipset that supports faster transfer rates or not, anyone remember from the 1st look?

#32 OFFLINE   P Smith

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Posted 23 January 2012 - 09:38 PM

HR34 support SATA 3 Gbps interface speed. Same for BCM7401 based DVRs, like HR22-100.

#33 OFFLINE   Bartman94

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Posted 23 January 2012 - 09:51 PM

Thanks guys! Only other question I have now is where can I find the best price on a WD20EURS that's in stock and ready to ship right away?

#34 OFFLINE   P Smith

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Posted 23 January 2012 - 10:21 PM

Spoiler

:D

#35 OFFLINE   Bartman94

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Posted 23 January 2012 - 11:03 PM

Thanks for the sarcasm - LOL. How about a link or a web address to where I can buy a WD20EURS? I'm simply striking out everywhere I look.

#36 OFFLINE   P Smith

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Posted 23 January 2012 - 11:06 PM

Perhaps post#23 had the answer ? ;)

#37 OFFLINE   Bartman94

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Posted 24 January 2012 - 01:27 PM

The WD20EURS is not available anywhere unless I want to pay around $240+. The WD20EARX is available for only $115 so as much as I want the WD20EURS as it's a specified AV-GP I don't know that I can justify paying twice as much. The only differences I can see is that the EARX has a 6 Gb/s transfer speed which I won't even use half of anyway compared to the 3 Gb/s transfer speed of the EURS, and I that the EURS is rated specifically for DVR expansion applications. Post #18 in this thread talks about the EARX working pretty good but has anyone else played with it in this application yet? How does the EARX perform in a 24/7 environment, is it noisy at all, and does it run hot at all that I should look out for? Should I just go with the WD20EARX and be confident in it?

#38 OFFLINE   Jerry_K

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Posted 24 January 2012 - 01:38 PM

Over the years I have put 17 different hard drives in DVRs. Never paid one ounce of attention to any of the details of the drive other than the interface was correct and the size was what I wanted. None of those drives ever failed or caused any performance problems in the DVRs.

Did the same recently with the HR34 and HR24. Just pulled a drive off the shelf that was 2T and installed. Happen to be Seagate Green Barracuda with 5900 rpm speed. Room temp is 78 and temp is 109f in the HR34 right now and it is installed just one inch above the receiver below which produces heat. No closed shelf in between. Just a metal kitchen rack made from coated steel rods.

Sometimes we can overthink things that have no bearing on performance.
Genie (nee HR34) 2TB Internal, Magnavox NR1601, Sharp 40" LED
HR24 2TB Internal, Magnavox NR1501, Sansui 32" LCD

#39 OFFLINE   Bartman94

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Posted 24 January 2012 - 08:12 PM

How many hours of programming will the 2TB WD20EARX hold; how many SD hours and how many HD hours approximately?

#40 OFFLINE   dpeters11

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Posted 24 January 2012 - 09:18 PM

A 34 with 1tb is spec'd at 200 hours HD and 800 SD.

#41 OFFLINE   Bartman94

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Posted 24 January 2012 - 09:42 PM

So with this new 2TB I can anticipate 400 hours of HD and 1600 hours of SD then is that about right?

#42 OFFLINE   P Smith

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Posted 24 January 2012 - 10:00 PM

When you'll install it, please report exactly real values to us.

#43 OFFLINE   Bartman94

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Posted 25 January 2012 - 12:43 PM

Just ordered the Antec MX-1 and the Western Digital WD20EARX! Will report back once they're installed.

#44 OFFLINE   toms111la

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Posted 25 January 2012 - 01:51 PM

Will be anxious to hear

#45 OFFLINE   mgroups

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Posted 27 January 2012 - 02:31 PM

Has anyone tried using a 2.5TB or 3TB drive with the HR34 in an esata enclosure? They won't work with older HRs but could work with the HR34 if it has compatible drivers and software. From Western Digital:

WD initially led the way in providing solutions for drives larger than 2.19 TB which included a Host Bus Adapter with our 2.5 TB and 3 TB hard drives. This HBA is no longer being provided, and is not needed as updated storage drivers and system software with support for large capacity drives are now available.

#46 OFFLINE   P Smith

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Posted 27 January 2012 - 02:50 PM

I did ask to check 2+ TB drives (thinking new FW could support it), but got so much pressure from ppl here ... Cold shower. Up to calling 'don't push us ! - do it by yourself' :(

#47 OFFLINE   Bartman94

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Posted 30 January 2012 - 10:20 AM

DirecTV confirmed that the HR34 maxes out at 2TB like the rest of the HR models... no luck on getting to 3TB yet. Drats!

#48 OFFLINE   CCarncross

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Posted 30 January 2012 - 12:24 PM

Until the OS kernel gets updated, you won't see larger than 2TB support on any of the HR line...

#49 OFFLINE   P Smith

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Posted 30 January 2012 - 12:49 PM

DirecTV confirmed that the HR34 maxes out at 2TB like the rest of the HR models... no luck on getting to 3TB yet. Drats!


Thank you for the report.

#50 OFFLINE   toms111la

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Posted 02 February 2012 - 02:59 PM

I just received a new HR24-200 and hooked it up with a new WD20EARX and new BlacX docking station. Everything looked ok but over a period of a few hours, it locked up and rebooted four or five times. I let it start once with the internal drive and it seemed to work ok. I re-started with the WD20EARX and continued to have the same problem. I changed to a different new WD20EARX and tried several different esata cables. After one crash with the current cable and hard drive, it ran ok overnight recording several programs.

I have had a HR24-100 running flawlessly for five or six months with a WD20EARS. For the first few months, it was connected to a BlacX docking station but a month or two ago, it became obvious that the internal fan was failing and it started to overheat. Notwithstanding that it is a leased unit, I opened the case and replaced the fan and moved the WD20EARS inside. It is continuing to work with no trouble.

When I get home today, I will see if the unit is still working ok. It may be that my problems last night were all esata cable related but as mentioned earlier, it did crash once after installing the current drve and cable.

In reviewing the differences between the WD20EARX and the WD20EARS, the specifications looked identical with the exception that the WD20EARX is capable of 6Gb/s transfer while the WD20EARS is specked for 3Gb/s. Earlier posters have indicated that the HR24’s do not support 6Gb/s transfers so I understand that there is no advantage in the 6Gb/s model.

The WD web sight indicates that the WD20EARX can be restricted to a 3Gb/s transfer rate by using a jumper. I am planning on trying the jumper as I can’t see it could hurt.. Do any of you more knowledgeable folks think that this might make my installation more stable?




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