LaCie 400USB User Manual

LaCie d2 DVD

±RW Drive 

User Manual

page 

Introduction

DVD and CD Media Format Definitions

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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.

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.

Best suited for: recording DVD videos, storing mul-

tiple photo albums and data DVDs under 4.7GB.

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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.

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.

Ideal for: recording high-quality DVD videos, back-

ing up and archiving large data DVDs.
These discs follow the DVD+ recording techniques, 

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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)

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4.7/8.5 

GB

CD

CD-R

48x

700MB

CD-RW

24x

650MB

CD-ROM

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