BenQ DVD RW DW1640 ivory Bulk vs BenQ DVDRW DW1640 IDE int white retail

Comparison of DVD RW DW1640 ivory Bulk, DVDRW DW1640 IDE int white retail

30 specifications	A BenQ DVD RW DW1640 ivory BulkView product	B BenQ DVDRW DW1640 IDE int white retailView product
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Black	White
Performanceidentical
Optical drive type	DVD-RW	DVD-RW
Drive device, buffer size	2 MB	2 MB
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
DVD write speed	8x	8x
DVD rewrite speed	4x	4x
Reading speedidentical
CD read speed	48x	48x
DVD read speed	16x	16x
Operational conditionsidentical
Operating temperature (T-T)	5 - 45 °C	5 - 45 °C
Storage temperature (T-T)	-40 - 60 °C	-40 - 60 °C
Weight & dimensionsidentical
Height	42 mm	42 mm
Weight	820 g	820 g
Other featuresidentical
Power requirements	DC12V+/- 10%, DC 5V +/- 5%	DC12V+/- 10%, DC 5V +/- 5%
Media types supported	DVD+R DL 8.5GB, DVD+R 4.7GB, DVD+RW 4.7GB, DVD-R 4.7GB, DVD-RW 4.7GB, DVD-Video, DVD-5, DVD-9, DVD-10, DVD-18, CD-DA, CD-ROM XA (m1, m2f1/m2f2), CD-R, CD-RW, Bootable CD, Photo CD, Video CD, Super Video CD, CD-Extra, Mixed-mode CD, CD-Text	DVD+R DL 8.5GB, DVD+R 4.7GB, DVD+RW 4.7GB, DVD-R 4.7GB, DVD-RW 4.7GB, DVD-Video, DVD-5, DVD-9, DVD-10, DVD-18, CD-DA, CD-ROM XA (m1, m2f1/m2f2), CD-R, CD-RW, Bootable CD, Photo CD, Video CD, Super Video CD, CD-Extra, Mixed-mode CD, CD-Text
Minimum system requirements	IBM PC compatible Pentium III 550MHz CPU	IBM PC compatible Pentium III 550MHz CPU
Logical recording format	Track-at-Once, Disc-at-Once, Multisession, Packet Writing (fixed & variable packet), CD Digital Audio, Direct-Over-Write on CD-RW, Test Write	Track-at-Once, Disc-at-Once, Multisession, Packet Writing (fixed & variable packet), CD Digital Audio, Direct-Over-Write on CD-RW, Test Write
Write methods	Track-at-Once, Disc-at-Once, Multisession, Packet Writing, CD Digital Audio, Direct-Over-Write CD-RW, Test Write	Track-at-Once, Disc-at-Once, Multisession, Packet Writing, CD Digital Audio, Direct-Over-Write CD-RW, Test Write
Dimensions (WxDxH)	146 x 178 x 42 mm	146 x 178 x 42 mm
Minimum RAM	128 MB	128 MB
Minimum processor	550	550
Minimum storage drive space	100 GB	100 GB
Compatible operating systems	Windows 98/ ME / NT 4.x/ 2000/ XP	Windows 98/ ME / NT 4.x/ 2000/ XP
Track to track seek time	120 ms	120 ms
DVD+R speed	16x	16x
DVD+RW speed	8x	8x
DVD-R speed	16x	16x
DVD-RW speed	6x	6x
Double Layer DVD write speed	8x	8x

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.