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ASUS DRW-24B1ST DVD-RW SATA Optical Drive E-mail
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Written by Hank Tolman   
Wednesday, 10 February 2010
Table of Contents: Page Index
Features and Specifications
Closer Look: ASUS DVD-Burner
ASUS DRW-24B1ST Detailed Features
Testing and Results
Testing and Results Continued
Final Thoughts and Conclusion

Testing & Results Continued

The spin up and spin down tests measure the time it takes for the drive to stop, then start again. The spin down time measures from the time the stop command is given until the drive has completely stopped. Then the spin up time measures the amount of time from that stop until the drive can effectively read information again. Obviously, shorter spin up and down times are better for a drive, but they can also effect the noise level. The spin up time for the ASUS DRW-24B1ST was pretty impressive, only 1.25 seconds, but it did take a backseat to the Panasonic drive, which spun up in just over half a second. The Panasonic drive also outperformed the DRW-24B1ST in the spin down test by about three quarters of a second. In defense of the ASUS drive, however, the noise level was noticeably quieter during spin up and down that it was with the Panasonic drive, or even the MAD DOG drive for that matter, which was quite a bit slower than the ASUS DRW-24B1ST.


The transfer rate test measures the transfer rate of the data from the disc, in other words, the read speed. The test runs throughout the entire disc to give a good idea of read speeds over different densities of information. Since the DVD that we used to test was writing using CAV (constant angular velocity), the information closest to the center of the disc is more dense than the information closer to the outside edge. The test was run reading at CAV also, and that is why the yellow line (RPMs) stays constant throughout the test. As you can see below, the read speed averages are pretty constant for the different speeds of the drives themselves. It's really no surprise that the average read speed for the ASUS DRW-24B1ST outpaces the pack, since it is the fastest drive.


The burst rate test measures the maximum possible transmission rate from the optical drive to the hard drive. Though this test is somewhat dependent on the read speed of the drive, it is really testing the transfer speed of the channel being used. In this case, it is clear to see that the ASUS DRW-24B1ST takes excellent advantage of the SATA channel and has a burst rate of 64 MB/s. The slower Panasonic SATA drive is nearly on par with the IDE MAD DOG drive. Again, I am not surprised by the slower speed of the USB drive, especially since this test is dependent on the channel. It is important to note at this point that when using the burst rate test on Nero Disc Speed 4, you will get better results if the disc is cached. Nero recommends this before running the test. If you use an audio CD for your testing, it is unlikely that your computer will cache it, and you will get much slower burst rate speeds.


Nero Disc Speed 4 has given us the tools necessary to compare the actual raw speeds of the ASUS DRW-24B1ST against some of the competition. As we have seen, the DRW-24B1ST holds its ground against every other drive we have tested it against, and even pulls ahead in most of the areas we have tested. With an optical drive these days, pure read and write speed is not going to be the deciding factor. Nearly all drives perform at rates so close to each other that it hard to tell a difference without benchmark programs to tell us that it's there. Still, it is nice to see results that show the drive coming out ahead.



# RE: ASUS DRW-24B1ST DVD-RW SATA Optical DrivePaul Parkinson 2010-03-22 05:05
Every DVD drive I have tested consumes less than 1W in idle. What optical drives do is when a disc is inserted the drive consumes about 2.5W even without the drive spun up. The ASUS drive simply recognizes that the drive is not spun up and is idle so it adjusts the on board circuitry to bring the idle power down to the same level as if there was no disc installed. While I applaud ASUS for doing this you can get the same power savings by not leaving discs in your drive when you are not going to use the disc.
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# price of Asus DRW-24B1STtapan biswas 2010-04-13 06:11
the price of ASUS DRW-24B1ST is Rs. 1425.00 was given from me.
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# problem with my Asus DRW-24B1STLion 2010-05-29 10:45
ive been using asus all my life but now i have problems with my Asus DRW-24B1ST i installed newest firmware but starts burning than after boofer starts runing it stops it says fail!!!pls anyone help mee what is the problem?ive took to another computer it goes perfect where can it bee the problem??
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# RE: problem with my Asus DRW-24B1STMuho 2010-06-03 19:38
have you try to downgrade the firmware as it was before???
I do this several times and no problem appears
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# Yeah, a nice drive, but...Ant P 2010-08-16 06:53
it's simply a Lite-On rebadge (which is a high compliment in it's own right).

Funnily enough, most 24x SATA Liteons sold under the "Lite-On" name have a NEC chipset, in effect making *them* a Sony/Optiarc re-badge.

Personally, I prefer "true" Lite-Ons because they have a Mediatek chipset - terrific for reading and scanning.

One of the surefire ways to guarantee receiving a legit Lite-On is to get this Asus drive. In fact, I'm gonna crossflash my Asus to a Lite-On right now!
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# problemsesman 2010-11-03 15:13
I have serious problem with ASUS DRW-24B1ST;
PC loosing CD-Rom from system and can not find it from Control Panel-Add Hardware
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# RE: problemsGary Parriott 2012-04-03 11:52
Had the same problem with a DRW-24B3LT used in a USB enclosure. Several months ago another of these Green Power DVDRW in my work station stopped showing up too. Seems to be a generic problem with these GP drives.
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# BD-RAlex 2011-03-22 20:17
Can i use BD-R DVD in burning with this compatible with BD-R 25gb..
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# RE: BD-ROlin Coles 2011-03-22 20:20
No, you will need a BD-Burner, often much more expensive than the other BD drives.
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# TerminatorGarcoman 2011-10-07 07:31
"E-Hammer?" A waste of laser life. If you want to totally destroy all data on a cd or dvd, try the microwave. There is no one who can recover a completely fried metal layer.
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# bad driveYASEEN SHAIK 2012-06-16 08:39
i purchased 2 asus drives 4 months ago both drives failed my 40 dvds, and it is burning the data sucessfull but the games are not boooting verry verry verry baddddddd driveeeeee dont buy it guys........... i tried it so many tmes i used LG and i burnt the same data it works fine.
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# motor problemjitendra panchal 2013-02-16 10:05
in my asus dvd-rw,any disk i insert doesn't rotate and writer isn't able to read the data such as if i insert operating system 7 dvd in the writer.Then it doesn't show boot any key.... message.
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# ict can change your lifeit4ubd 2013-03-09 12:46
i used lite-on and that's good...!!!!

long lasting odd.

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