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What is the DVD Write speeds? CAV, CLV, PCAV, ZCLV. Read our DVD Writer colum explanation.
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CDR, DVDR, BDR, HDDVDR
|Pacific Digital U-30278/U-30279 16x/5x DL Internal DVD±RW
| DVD Media
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I bought the model through Sam's club in July 2005.
I returned the model to Pacific Digital in April 2006, having used Verbatim DVD+R and DVD+R DL Media exclusively in the machine.
The model I was shipped was a Toshiba SD-R5372. The recorder was very reliable at burning DVD+R and DVD+RW, as well as CD-R media. When recording DVD+R DL, it was hit an miss. Out of a 30 pack of blanks, I usually made 8-9 without error. With the price of media still high, this was unacceptable.
If more problems exist with the replacement, I will give further comment at that time.
Comments posted by ElwoodM from United States, April 22, 2006. Rated this writer 5 of 10.
This drive appears to be compatible with all media.
That is until you try to read the disc.
I have tried several brands of media including (Sonic, Fujitsu, Verbatum, and Ritek)
I have burned 100 DVD-r's with this drive and can only read them in two of my players (Panasonic and a Cyberhome 300)
Cyberhome 320, Sony Playstation, and the KLH will not play them.
I use the same media same ISO burned on a different burner and they all play the disks.
Comments posted by jbunderwood from United States, March 07, 2005. Rated this writer 5 of 10.
Ok, More info. I have the U30265-RV2 Drive. It's really a Benq drive. I have found that making back up dvd's, only the +R media has worked well. I've tried really high quality -R media and it has not worked at all on any dvd player other than the computer. Other than that, it has worked very well.
Comments posted by sidestick from United States, February 10, 2005. Rated this writer 8 of 10.
Still learning about this drive but so far it burns well with Philips +R media. I played the disk in 4 different DVD players and they all worked. The Sony 8x -R did not work nearly as well. It only played in the computer and on my Panasonic DME-R55. For the price I got it, I love it!
Comments posted by sidestick from United States, January 29, 2005. Rated this writer 8 of 10.
| Column Explanation:
Click on this for more technical information.
New comments= New comments since your last visit.
New Writer = New DVD Writer since your last vist.
Original Equipment Manufacturer.
The manufacturer of the main chipset the DVD writer/recorder is based on.
Write support / Read support
DVD-R = Works
DVD-R? = Not tested
Single Layer(4.7GB) write speeds
1x (CLV) = about 58 minutes
2x (CLV) = about 29 minutes
2.4x (CLV) = about 24 minutes
4x (CLV) = about 14.5 minutes
6x (CLV/ZCLV) = about 10-12 minutes
8x (PCAV/ZCLV) = about 8-10 minutes
12x (PCAV/ZCLV) = about 6.5-7.5 minutes
16x (CAV/ZCLV) = about 6-7 minutes
Dual/Double Layer(8.5GB) write speeds
1x CLV = about 105 minutes
2.4x CLV = about 44 minutes
4x CLV = about 27 minutes
Single Layer (4.7GB) read speeds
1x read speed is 1.321MB/s = ~56 minutes
6x CAV (avg. ~4x) read speed is max 7.93MB/s = ~14 minutes
8x CAV (avg. ~6x) read speed is max 10.57MB/s = ~10 minutes
12x CAV (avg. ~8x) read speed is max 15.85MB/s = ~7 minutes
16x CAV (avg. ~12x) read speed is max 21.13MB/s = ~5 minutes
DVD Write types
CAV = Constant Angular Velocity, the DVD is written at a constantly increasing speed.
CLV = Constant Linear Velocity, the DVD is written at a constant speed.
ZCLV = Zone Constant Linear Velocity, the DVD is divided into zones. After each zone the write speed is increased.
PCAV = Partial Constant Angular Velocity, the DVD is being written at an increasing speed until a certain speed. After this speed it will not increase anymore.
Desktop = Standalone desktop DVD Recorder
EIDE = Computer DVD Writer with EIDE/IDE connection
SCSI = Computer DVD Writer with SCSI connection
USB = Computer desktop DVD Writer with USB 2.0 or/and 1.1 connection
FireWire = Computer desktop DVD Writer with IEEE 1394/FireWire/i.Link connection (some standalone desktop dvd recorder supports this also but then it is usually to connect your DV camera to the recorder)
The first rating is based on a weighted rank (the true Bayesian), it requires at least 5 votes to get a weighted rating.
The second rating between the ( ) is a normal average rating.
We can Not gurantee that this list is 100% correct and don't forget to read the User Comments for more Info about each recorder.