Sony DW-U50A DVD Writer
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What is the DVD Write speeds? CAV, CLV, PCAV, ZCLV. Read our DVD Writer colum explanation.
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Sony DW-U50A OEM:Sony Chipset:N/A |
16xCDR ZCLV 8xCDRW CLV 1xDVD-R CLV 1xDVD-RW CLV 2.4xDVD+R CLV 2.4xDVD+RW CLV |
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24xCD 5xDVD |
Slim EIDE, 8MB
More info |
$250 | 4.2/10 5 votes Read 5 comments (19915 views) Post comment |
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comments for this DVD Writer (click on the link to
read the comments): 1 Integrity 4xDVD+R (........001) comments, 0 good, 0 mixed, 1 poor. 1 Philips 4xDVD+RW (RICOHJPNW11) comments, 0 good, 0 mixed, 1 poor. Post your DVD Media comments here |
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| This is really a CD drive with a temporary life as a DVD burner. Is fussy about media, doesn't close out burns well, and won't even read its own burns after a while. Comments posted by ddf from United States, November 04, 2006. Rated this writer 1 of 10. |
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| This drive is dated with a DVD writing speed of only 4X. There is a better replacement (not by Sony) if I can find it. I saw it once on the web and it's plug and play. Better specs. Don't bother calling Sony, they will tell you there is no upgrade. They want you to buy another notebook. Comments posted by DaleB from United States, March 09, 2006. Rated this writer 6 of 10. |
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| had this drive for over 1 year. pisses me off constantly. very very fussy with media. Some +RW discs I burnt 6 months ago now read as blank. sometimes burns dvd-r and dvd +r with success, then cannot even read the discs afterwards, even if they play fine in standalone dvd player!! Today I officially give up, have upgraded firmware etc. I buy a POINEER DVR-109d today and connect it with USB2 Comments posted by natas from United Kingdom, August 01, 2005. Rated this writer 2 of 10. |
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| Safe the slowliness, it used to be very good, but after about one year it decided not to recognize some DVD-R brands. Now it can still read some DVD's, but burning is not possible anymore. Cd's are fine. Updated to latest firmware, but no improvment. Comments posted by Reto from Switzerland, July 18, 2005. Rated this writer 5 of 10. |
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| I purchased a sony PCG-GRT-100 laptop in Canada and it contained the DW-U50A DVD/CD burner. I had to return it since this drive did not work properly. It was inconsistent with media (And I tried MANY brands). The replacement unit has been fantastic. No problems with CD/DVD writing since the replacement. I cant remember a bad burn. Its slow going with DVD-R at 1X performance. The DVD+RW clips along at 2.4 times. Why they don’t step up the DVD-R to 2X via firmware I have no idea. The drive does run hot, but all laptop drives seem to be that way. I am using firmware 1.5f. Comments posted by spear from Canada, May 28, 2004. Rated this writer 7 of 10. |
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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. OEM Original Equipment Manufacturer. Chipset 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. Connection 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) Rating 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. |
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