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.

Here is a scan for TYG02, burned at 8X.
http://club.cdfreaks.com/showpost.ph...1&postcount=69

Here is a scan for Verbatim MCC 003, made by Prodisc, burned at 8X.
http://club.cdfreaks.com/showpost.ph...8&postcount=85

Here is a scan for Verbatim MCC 02RG20, made by Prodisc, burned at 8X.
http://club.cdfreaks.com/showpost.ph...3&postcount=49
http://club.cdfreaks.com/showpost.ph...6&postcount=48

Here is a scan from Ridata R03 burned at 8X.
http://club.cdfreaks.com/showpost.ph...9&postcount=57

Here is Prodisc S03 burned at 4X
http://club.cdfreaks.com/showpost.ph...9&postcount=45

TYG01 burned at 4X. A real disappointment

http://club.cdfreaks.com/showpost.ph...2&postcount=94

how do prodisc 16x do?

What about doing some testing by yourself.
Have't your 1620 drive arrived yet?

There are at least 4 types of Prodisc "16x" media present in 1620's latest firmware, which one did you have in mind...?
Note. On this board we specify media with MID.