Access time
| CD-ROM drive average random access time |
160 ms |
| DVD drive average random access time |
160 ms |
Writing speed
| DVD-R9 write speed |
8 x |
| CD write speed |
48 x |
| CD rewrite speed |
32 x |
| DVD+R write speed |
20 x |
| DVD-R write speed |
20 x |
| DVD-RAM write speed |
12 x |
Other features
| DVD+R9 speed |
8 x |
| Minimum hard disk space |
650 MB |
| Minimum RAM |
128 MB |
| Minimum processor |
Pentium 4 1.3 MHz |
| Signal-to-Noise Ratio (SNR) |
75 dB |
Design
| Internal |
Y |
| Disc loading type |
Tray disc loader |
Reading speed
| CD read speed |
48 x |
| DVD+R read speed |
16 x |
DH-20A3P DVD-RW DL
- Burn DVD+R and DVD-R at tremendous 20x speed.
- ATAPI/E-IDE Half-Height internal DVD+R / DVD+RW / DVD-R / DVD-RW / DVD+R9/ DVD-R9 / DVD-RAM / DVD-ROM / CD-R/ CD-RW / CD-ROM combination drive.
- Support Double Layer DVD+/- R9 Recording Function.
- Smart-Write™ - Self-learning technology ensuring best writing quality with all media.
- SMART-BURN avoiding Buffer Under Run error, Automatically adjusting writing strategy & running OPC to provide the best burning quality.
- SMART-X function adjusts CD-DA / VCD / DVD data extraction to a fastest allowable speed according to both data request rate from host and disk quality.
- ABS system reduces vibration and noise during recording and reading.
- Support Fixed Packet, Variable Packet, TAO, SAO, DAO, Random Access time, Incremental, sequential recording, restricted overwrite, Layer Jump recording, Raw Mode Burning & Over-Burn.
- DVD read compliant: DVD single/dual layer (PTP/OTP), DVD-R(3.9GB/4.7GB), DVD-R multi-borders, DVD-RAM, DVD+R, DVD+R multi-sessions, DVD-RW, and DVD+RW.
- CD read compliant: CD-DA, CD-ROM, CD-ROM/XA, Photo-CD, Multi-session, Karaoke-CD, Video-CD, CD-I FMV, CD Extra, CD Plus, CD-R, and CD-RW.
- Support both 8cm and 12cm disc of CD and DVD family.
- Conform to Orange Book: Part 2 CD-R Volume 1, Part 2 CD-R Volume 2 Multi Speed, Part 3 CD-RW Volume 1 (1x, 2x, and 4x), Part 3 CD-RW Volume2: High Speed, Part 3 CD-RW Volume 3: Ultra Speed. Support Fixed packet, Variable packet, Disc-at-once, Session-at-once and Track-at-once.
- Supported transfer mode: PIO mode 4, DMA mode 2 and Ultra DMA mode 4.
