LaCie 400USB - Manual (Page 15)

LaCie d2 DVD ±RW Drive
User Manual page 
Introduction
DVD and CD Media Format Definitions ■
DVD+RW Discs
Best suited for: backing up and archiving digital con-
tent.
These discs are functionally similar to CD-RW and
DVD-RW discs, but utilizes the same recording
techniques as DVD+R.
Incorporates the Direct Overwrite (DOW) system,
allowing data to be written directly over existing data
in a single pass.
DVD-RW Discs
Best suited for: backing up and archiving digital con-
tent.
These discs serve the same general purpose as CD-
RW media, but with 4.7GB of space versus 650MB.
Discs can be written and erased up to 1,000 times.
DVD+R Discs
Best suited for: recording DVD videos, storing mul-
tiple photo albums and data DVDs under 4.7GB.
❖
❖
❖
❖
❖
❖
❖
These discs have the same write-once concept as CD-
R media, but with 4.7GB of capacity versus 700MB
for CD-R discs.
DVD+R supports “lossless linking” and the combina-
tion of Constant Angular Velocity (CAV) and Con-
stant Linear Velocity (CLV) recording techniques.
DVD-R Discs
Best suited for: recording DVD videos, storing mul-
tiple photo albums and data DVDs under 4.7GB.
These discs are also functionally similar to CD-R
media, and have the same capacity as DVD+R discs.
There are two types of DVD-R discs: DVD-R Gen-
eral, which are intended for home applications, and
DVD-R Authoring, which are intended for profes-
sional DVD-Video development applications.
DVD+R9 DL and R-9 DL (Double Layer) Discs
Ideal for: recording high-quality DVD videos, back-
ing up and archiving large data DVDs.
These discs follow the DVD+ recording techniques,
❖
❖
❖
❖
❖
❖
❖
Format Type of Disc Write Speed Capacity
DVD DVD±R DL 8x 8.5GB
DVD±R 20x 4.7GB
DVD+RW 8x 4.7GB
DVD-RW 6x 4.7GB
DVD-ROM (Single and dual layer)
--
4.7/8.5
GB
CD CD-R 48x 700MB
CD-RW 24x 650MB
CD-ROM -- --
1.5. Supported DVD and CD Formats