Most people are aware of the Blu-Ray asus a42-m6 battery, asus m6000 battery format when it comes to movies, but what some may not know is that it can also be used as a data storage medium in the same way as DVDs. These discs can hold 25GB on single layer versions and 50GB on dual layer versions whereas DVDs can only hold 4.7GB on single layer and 8.5GB on dual layer. For those of you who like to backup the data on your computer (and it is always a good idea to have backups), it can be an efficient way to accomplish this, but there are some things to consider before proceeding.
Data Protection
You may worry about your discs being scratched and ruining your data, but this is a lot less common of a problem then it is with DVDs. Blu-Ray uses a hard-coated scratch resistant material on the bottom of the disc in order to protect the data from common damage.
The data on the disc is also more protected than an external hard drive. Because it is an optical media format and there are no moving parts, it is protected against most physical damage such as dropping it on the ground. An external hard drive has many mechanical parts so it is much more susceptible to physical damage. An alternative would be to use a solid state drive (SSD) instead of a normal hard drive as these drives function much in the same way as a USB flash drive; meaning there are no moving parts. However, the downside to solid state drives is their much higher cost as described below.
Cost
The going price for a Blu-Ray writer can fujitsu lifebook s7110 battery, fujitsu lifebook s7111 battery range from around $100-$150 depending on where you buy it, which is the equivalent to a 1TB-2TB external hard drive. On top of this, it will cost you about $1 per 25GB disc so in order to reach the 1TB-2TB capacity of an external hard drive, you would need to spend an additional $40-$80. You also do not have the option of erasing the data on the disc unless you buy a re-writable version which would cost slightly more.
An external hard drive is more cost efficient than a Blu-Ray setup; however Blu-Ray does have a greater advantage over solid state drives. Currently, a 120GB SSD will cost you $250+ so in order to reach the 1TB-2TB capacity, you're looking at $2,000-$4,000. Solid State Drives are still relatively new so that price will come down in time, but that could be anywhere from 5-10 years before it is the equivalent price of a Blu-Ray setup today.
How To Decide?
The most efficient way to currently backup and protect your data is to ideally use both an external hard drive as well as Blu-Ray. Yes, this will cost more upfront, but you will be protecting yourself in all areas. It is recommended to use the hard drive to do a complete backup of all your files, and then use a Blu-Ray disc to store your most important files in addition to them also being on the hard drive. This way, if your hard drive fails (which happens more than some people realize), you will still have your most important data protected and safely stored on a Blu-Ray disc. If you are to choose only one method, toshiba pa3535u-1bas battery, toshiba pa3535u-1brs battery then you must decide whether it is worth it to spend the extra $40-$80 for the Blu-Ray setup in order to further protect your data from any damage.
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