Review http://www.cdfreaks.com/article/159
Here are the specifications of the BenQ DW1620A as found at BenQ’s webpage:
Performance
DVD:
DVD+R DL : (2.4x)
DVD+R/+RW : (16X) / (4X)
DVD-R/-RW : (16X) / (4X)
DVD ROM : (16X, MAX)
Access time: 120 ms
CD :
Data Transfer Rate /write: (40X)
Data Transfer Rate /rewrite: (24X)
Data Transfer Rate /read: (40X, Max.)
Access time: 120 ms
Interface : E-IDE/ATAPI
Supported IDE mode :
PIO mode 0/1/2/3/4
DMA mode 0/1/2
UDMA mode 0/1/2
Buffer Size :
2 Mbytes
Writing Mode
DVD :
DVD Data and Video
CD :
Track-at-Once, Disc-at-Once, Multisession, Packet Writing (fixed & variable packet), CD Digital Audio,
Direct-Over-Write on CD-RW, Test Write
Disc Size
DVD : 120 mm disc
CD : 80 and 120 mm discs
Disc Formats
DVD :
DVD+R 4.7GB, DVD+RW 4.7GB, DVD-R 4.7GB, DVD-RW 4.7GB (closed session) DVD Video, DVD-5, DVD-9, DVD-10, DVD-18
CD :
CD-DA, CD-ROM XA (m1, m2f1/m2f2), CD-R, CD-RW, Bootable CD, Photo CD (single & multi-session), Video CD, Super Video CD, CD-Extra, Mixed-mode CD, CD-Text, CD-Graphics
Audio Performance
Signal-to-Noise ratio: 76 dB min.
Number of stereo channels: 2
Analog audio line output: 0.75 VRMS at 470 Ohm
Analog headphone output: 0.6 VRMS at 34 Ohm
CD sampling frequency: 44.1 KHz
Power Requirement
+5V ± 5%, ripple: 100mVpp
+12V ± 10%, ripple: 200mVpp
Environment Conditions
Operating temperature: 5°C~45°C (41°F~113°F) at humidity of 8-80% RH
Non-operating temperature: -40°C~60°C (-40°F~140°F) at humidity: 5%~95% RH
Non-operating humidity: 5%~95% RH
Reliability Characteristics
MTBF: 50,000 POH
Non-recoverable read error < 1 block in 1012 bits (CD and DVD)
Physical Characteristics
Dimension: 146 X 42 X 198 mm (W x H x D)
Weight: 1.0 Kg
Firmware Update
Flash memory upgradeable
Panel Design
Front side: open/close button, read/write status indicator LED
Rear side: 40-pin ATA-2 dual row flat-cable connector, 4-pin DC power connector, 3-position device jumpers, digital audio output and analog audio output
OS Compatibility
Windows XP, 2000, Me, 98SE
Minimum System Requirement
IBM PC compatible
Pentium III 550MHz CPU
128MB DRAM
100MB free HDD space for CD/DVD recording related software installation
1GB free HDD space for CD Image recording (10GB for DVD authoring) is recommended.