External DVD R/RW Burner
Durability of DVDs is measured by how long the data may be
read from the disc, assuming compatible devices exist that can
read it: that is, how long the disc can be stored until data
is lost. Five factors affect durability: sealing method, reflective
layer, organic dye makeup, where it was manufactured, and storage
practices. According to the Optical Storage Technology Association
(OSTA), "manufacturers claim life spans ranging from 30 to 100
years for DVD, DVD-R and DVD+R discs and up to 30 years for
DVD-RW, DVD+RW and DVD-RAM".
With the cost of external DVD recorders ranging from around $50 to
just over $100 this makes for a very inexpensive backup system.
The main hold back of this type of data backup is the requirement
of a hands on backup, or the purchase of a quality backup
software to enable automated backups after a fresh DVD has been
placed in the burner.
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 HP DVD740e DVD R RW 16x Lightscribe external drive  US $25.00 |
 External USB DVD CD R RW Drives Burner Writer Laptop 36 US $10.00 |
 LiteOn External DVD R RW Drive US $20.00 |
 Laptop External USB DVD CD R RW Drives Burner Writer US $10.00 |
 LITEON EZ DUB USB External DVD±R ±RW Dual Burner Writer US $20.00 |
 External USB CD DVD R RW DVD CD RW Rom Drive Burner US $41.99 |
 External USB DVD CD R RW Rom Drive Burner Writer Combo US $25.69 |
 EXTERNAL DVDRW CD DVD R RW BURNER WRITER USB 20 DRIVE US $61.99 |
 External USB 20 Slim DVD R RW CD Drives Writer Burner US $38.99 |
 External USB 20 Slim DVD CD R RW Drives Burner Writer US $45.89 |
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