NEC offers AD-5540A, a great unit with multiple read and write functions and the most compact form imaginable. It reads DVD-ROMS with up to 8x speed and CD-ROMS with up to an amazing 24x speed. The AD-5540A will impress you just as thoroughly when writing, due to its excellent values in all formats. It writes to DVD-Rs, DVD+Rs and DVD+RWs at 8x speed - or DVD-RWs at 6x speed. And it handles DVD-R DL/DVD+R DL-format disks just as comfortably (4x) as CD-ROMs in -R/-RW formats (24x).DVD- ROM CD- ROM
Transfer Rate Read 8x (max. 11,000 kByte/s) 24x (max.
3,600 kByte/s)
Transfer Rate Write - R 8x (max. 11,000 kByte/s) 24x
(max. 3,600 kByte/s)
- RW 6x (max. 8,200 kByte/s) 24x (max.
3,600 kByte/s)
-R DL 4x (max. 5,500 kByte/s)
+ R 8x (max. 11,000 kByte/s)
+ RW 8x (max. 11,000 kByte/s)
+R DL 4x (max. 5,500 kByte/s)
Access Time 180 ms 150 ms
Mechanism Internal 12/8 cm CD- and DVD-drive, motorized tray
load
mechanism for horizontal and vertical use, emergency
eject,
buffer underrun error prevention
Interface IDE/ ATAPI
Burst Transfer Rate PIO mode 4/Ultra DMA 33 (max. 33 MByte/s
transfer rate)
Media/Modes Supported DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW,
DVD+R DL, DVD-Video, CD-ROM, CD-ROM XA, CD-Audio,
CDExtra,
CD-Text, CD-I Ready, CD-Bridge, Photo-CD, Video-CD,
Hybrid- CD
Writing Methods DAO (disc at once), SAO (session at once), TAO
(track at once)
with zero gap, variable or fixed packet,
multisession
Compatibility MPC Level 3, MultiRead, PC2001
Weight 0.18 kg
Dimensions H x W x D 12.7 x 128 x 129 mm



 

Key Features
Feature	Value
Interface	IDE
Read Speed	24x (CD) / 8x (DVD)
Write Speed	24x (CD) / 8x (DVD1R) / 4x (DVD1R DL)
CD / DVD Rewrite Speed	24x (CD) / 6x (DVD-RW) / 8x (DVD+RW)