Panasonic LF-D321 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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Panasonic LF-D321

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$300 7.2/10
5 votes
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DVD Media comments for this DVD Writer (click on the link to read the comments):
1 Universal 1xDVD-R (GSC001) comments, 1 good, 0 mixed, 0 poor.
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5 comments, Showing 1 to 5 comments

Have had this recorder in the PC for about 6 months and yesterday was the first time I recorded a DVD-R.

My NLE workstation is NT4 and the packaged software with this recorder doesn't apply. Cep for Sonic DVD-Le. The Win-DVD installation completly crashed the OS and left me without a paddle until I did a complete reinstall. And even so I wasn't able to burn a DVD-R. RAM no prob.

I just bought GEAR DVD and it recognizes the LF-D321 as a LF-D310. That's not unusual. Odd though the program can not read and copy the Video TS files. To copy my DVDs I drag and drop from the LF-D to the hard drive. But with the GEAR program I can then burn the files to DVD-R no problem. Finally!!!

Over all it's a good recorder and lives up to its specs. My only problem with it has been with my outdated computer.

Jerry B

Comments posted by Gerald Beranek from Other, November 29, 2003. Rated this writer 7 of 10.

This is an excellent dvd-ram and dvd-r (1X) IDE drive. It is one of the few burners that is able to read dual layer (glass-mastered) dvd's at a speed up to 4X. I have this installed on Win ME, Win 2K, and Win XP pro dual cpu systems, with no problems whatsoever. It is not sensitive to where it sits on an IDE chain, or whether you have dma enabled. Write time to a dvd-ram is around 45 minutes, and to a dvd-r is 60 minutes. Bundled software includes DVD Movie Album, which allows you to extract the vro files you get when you record video on Panasonic dvd-ram set top recorders. Movie Album is a must if you intend to convert vro to vob, using either dvd jr. or ulead's software. DvdForm is also included, allowing you to format a dvd-ram as UDF 1.5 or 2.0. Dvd-ram is the only re-writable medium that you can mount in Explorer and treat as a hard drive, without adding any special purpose packet writing software (which is a requirement with dvd-rw or dvd+rw). If you value your data and programs, this is the most reliable way to back it up.

Comments posted by Ollie W. Holmes from Other, July 20, 2003. Rated this writer 9 of 10.

Purchased back in November 2002 for $199.
Installed in a P4 2Ghz Compaq EVO.

Never used the DVD-RAM capabilities but have burned to literally hundreds of DVD-R blanks (Princos and Riteks primarily), averaging 15-20 per week, with only occasional coasters and less than perfect burns (DVD movie skips during playback).

I've since read and now follow a suggestion on achieving perfect burns by not disturbing the PC during the burn by actually leaving the room and have had perfect burns since (guess external vibrations can affect the lasers writing precision).

Overall, the burner has served me extremely well to date, as I now look to upgrade to a 4X DVD-R drive.

Comments posted by hitechjunkie from Other, July 01, 2003. Rated this writer 9 of 10.

This unit works flawless. The DVD-RAM support is a great feature. After using this unit for 5 months, I'm ready to purchase 2 of the updated 2x DVD-R Panasonic Multi drives.

I gave it a 9 out of 10 because of the slow lead out time times. Lead in is a fast 8 seconds compared to Pioneers' almost 2 minutes. But lead out takes almost 3 minutes! Which negates the fast lead in time.

With the fire sale on these drives, the LF-D310, D311, and D321 can be had for $160, with the new 2x version for around $200. Money well spent!

BTW, simulation works fine, but never tried multisesion with DVD-R, but multisesion with DVD-RAM works fine, as does the VR mode. Never a coaster with Princo, Ritek, LD, Maxell, Verbatium, but refuses to load GigaStorage media, which is junk anyways.

Comments posted by disturbed1 from Other, March 25, 2003. Rated this writer 9 of 10.

Problems with multisession DVD-R. Problems with lead-out before firmware upgrade (A108 to A126). SCSI errors when writing DVD-Video with Nero and other software. Simulation problems when writing with DVD Decrypter.

Comments posted by Peter from Other, September 18, 2002. Rated this writer 2 of 10.

5 comments, Showing 1 to 5 comments

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Column Explanation:

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Original Equipment Manufacturer.


The manufacturer of the main chipset the DVD writer/recorder is based on.

Write support / Read support
= Works
DVD-R = Is not supported
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.

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