Product comparison · 2 optical disc drives

NEC AD-7191A optical disc drive Internal Silver vs NEC BC-5500A optical disc drive Internal Black

13specifications compared
10differ
3identical
24known for one product only

Key differences

Product colour
- AD-7191A optical disc drive Internal Silver:Silver
- BC-5500A optical disc drive Internal Black:Black
CD write speed
- AD-7191A optical disc drive Internal Silver:48x
- BC-5500A optical disc drive Internal Black:16x
CD rewrite speed
- AD-7191A optical disc drive Internal Silver:32x
- BC-5500A optical disc drive Internal Black:10x
CD read speed
- AD-7191A optical disc drive Internal Silver:48x
- BC-5500A optical disc drive Internal Black:24x
DVD+R read speed
- AD-7191A optical disc drive Internal Silver:16x
- BC-5500A optical disc drive Internal Black:8x
DVD drive average random access time
- AD-7191A optical disc drive Internal Silver:160 ms
- BC-5500A optical disc drive Internal Black:200 ms
CD-ROM drive average random access time
- AD-7191A optical disc drive Internal Silver:140 ms
- BC-5500A optical disc drive Internal Black:190 ms
Weight
- AD-7191A optical disc drive Internal Silver:600 g
- BC-5500A optical disc drive Internal Black:200 g

Side by side

Differences highlightedShow differences only

Comparison of AD-7191A, BC-5500A
37 specifications	A NEC AD-7191A optical disc drive Internal Silver Model AD-7191A View product	B NEC BC-5500A optical disc drive Internal Black Model BC-5500A View product
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Silver	Black
Disc loading type	Tray	Tray
MountingKnown for one	Unknown — not stated by the source	Vertical/Horizontal
Performanceidentical
Interface	EIDE/ATA	EIDE/ATA
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	4.5 MB
Writing speed2 differ
CD write speedDiffers	48x	16x
CD rewrite speedDiffers	32x	10x
DVD+R write speedKnown for one	20x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	8x	Unknown — not stated by the source
DVD-R write speedKnown for one	20x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	12x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
Reading speed2 differ
CD read speedDiffers	48x	24x
DVD+R read speedDiffers	16x	8x
BD-ROM read speedKnown for one	Unknown — not stated by the source	2x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	4x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-RW read speedKnown for one	Unknown — not stated by the source	4x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	4x
DVD+RW read speedKnown for one	Unknown — not stated by the source	4x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	200 ms
CD-ROM drive average random access timeDiffers	140 ms	190 ms
BD-ROM average random access timeKnown for one	Unknown — not stated by the source	320 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Fixed packetKnown for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Variable packetKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
HeightKnown for one	42 mm	Unknown — not stated by the source
WeightDiffers	600 g	200 g
Other features2 differ
Media types supportedDiffers	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R9, CD-ROM, CD-R, CD-RW	BD-R, BD-R DL, BD-RE, BD-RE DL, DVD-R, DVD-ROM, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-R, CD-RW, BD-ROM, BD-AV (read), DVD-ROM, DVD-Video, CD-DA, CD-ROM (XA), CD Extra, Video CD, Photo CD, CD Text
Dimensions (WxDxH)Differs	148 x 170 x 42 mm	128 x 129 x 12.7 mm

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.

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