HP DVD635i 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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CDR, DVDR, BDR, HDDVDR
| DVD Media
comments for this DVD Writer (click on the link to
read the comments):
1 1TEK 8xDVD+R (SONY....D11) comments, 1 good, 0 mixed, 0 poor.
1 1TEK 8xDVD+R (VDSPMSAB002) comments, 0 good, 1 mixed, 0 poor.
1 Intenso 8xDVD-R (OPTODISCR008) comments, 1 good, 0 mixed, 0 poor.
1 Panasonic 16xDVD+R (RICOHJPNR03) comments, 1 good, 0 mixed, 0 poor.
1 Samsung (Pleomax) 8xDVD+R (OPTODISCOR8) comments, 1 good, 0 mixed, 0 poor.
Post your DVD Media comments here
Compatible with various quality of discs. Level of errors rather low. Not particularly fast, if confronted with other products of the same price. However, is a good product.
Comments posted by Tazio from Italy, July 21, 2006. Rated this writer 8 of 10.
A brand new unit created holes at the same spot in two separate CDs while rading CD ROM JPEG files from the CDs. The knowledgable folks told me that this is a mechanical manufacturing defect in the laser reader. I will be returing it to Comp USA.
Comments posted by JRA from United States, November 28, 2005. Rated this writer No rating.
| 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.