Acer DVD/RW 16x black vs BenQ 1650V 16x50x bulk wSW Bulk

Comparison of DVD/RW 16x black, 1650V 16x50x bulk wSW Bulk

25 specifications	A Acer DVD/RW 16x blackView product	B BenQ 1650V 16x50x bulk wSW BulkView product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Performanceidentical
InterfaceKnown for one	IDE/ATA	—Unknown — not stated by the source
Drive device, buffer sizeKnown for one	—Unknown — not stated by the source	512 MB
Writing speedidentical
CD write speedKnown for one	Yes	—Unknown — not stated by the source
CD rewrite speedKnown for one	Yes	—Unknown — not stated by the source
DVD+R Double Layer write speedKnown for one	Yes	—Unknown — not stated by the source
DVD+R write speedKnown for one	Yes	—Unknown — not stated by the source
DVD+RW write speedKnown for one	Yes	—Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	Yes	—Unknown — not stated by the source
DVD-R write speedKnown for one	Yes	—Unknown — not stated by the source
DVD-RW write speedKnown for one	Yes	—Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	Yes	50x
DVD-R Double Layer read speedKnown for one	Yes	—Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	Yes	—Unknown — not stated by the source
DVD read speed	16x	16x
Access timeidentical
Access timeKnown for one	—Unknown — not stated by the source	90 ms
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	20 - 90%
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 50 °C
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	800 g
Other featuresidentical
Power requirementsKnown for one	—Unknown — not stated by the source	DC 5 V±5%, 1.1 A, DC 12 V±5%, 1.5 A
Seek timeKnown for one	—Unknown — not stated by the source	90 ms
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	146 x 41.5 x 179 mm
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows 98SE / ME / 2000/ XP
Drive devices applicable disk formatKnown for one	—Unknown — not stated by the source	DVD ROM (SL/DL), DVD-Video, DVD-R (3.95Gb/4.7Gb), DVD-RW (ver. 2.0), CD-R/RW, CD-DA, CD-ROM, CD ROM/XA, VCD, CD-I, CD-Extra, CD-Text

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.