Product comparison · 2 optical disc drives

LG Internal SATA DVD-Rom Beige vs NEC AD-7633 black

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  • 10specifications compared
  • 9differ
  • 1identical
  • 14known for one product only

Key differences

  • Product colour
    • Internal SATA DVD-Rom Beige:Beige
    • AD-7633 black:Black
  • Interface
    • Internal SATA DVD-Rom Beige:Serial ATA
    • AD-7633 black:EIDE/ATA
  • Drive device, buffer size
    • Internal SATA DVD-Rom Beige:0.198 MB
    • AD-7633 black:2 MB
  • CD read speed
    • Internal SATA DVD-Rom Beige:52x
    • AD-7633 black:24x
  • DVD read speed
    • Internal SATA DVD-Rom Beige:16x
    • AD-7633 black:8x
  • DVD drive average random access time
    • Internal SATA DVD-Rom Beige:100 ms
    • AD-7633 black:190 ms
  • CD-ROM drive average random access time
    • Internal SATA DVD-Rom Beige:900 ms
    • AD-7633 black:190 ms
  • Weight
    • Internal SATA DVD-Rom Beige:700 g
    • AD-7633 black:160 g

Side by side

Differences highlightedShow differences only (off)
Comparison of Internal SATA DVD-Rom Beige, AD-7633 black
24 specifications
Design1 differ
InternalYesYes
Product colourDiffersBeigeBlack
Performance2 differ
InterfaceDiffersSerial ATAEIDE/ATA
Drive device, buffer sizeDiffers0.198 MB2 MB
Writing speedidentical
CD write speedKnown for oneUnknown — not stated by the source24x
CD rewrite speedKnown for oneUnknown — not stated by the source16x
DVD+R Double Layer write speedKnown for oneUnknown — not stated by the source4x
DVD+R write speedKnown for oneUnknown — not stated by the source8x
DVD+RW write speedKnown for oneUnknown — not stated by the source8x
DVD-R Double Layer write speedKnown for oneUnknown — not stated by the source4x
DVD-R write speedKnown for oneUnknown — not stated by the source8x
DVD-RAM write speedKnown for oneUnknown — not stated by the source5x
DVD-RW write speedKnown for oneUnknown — not stated by the source6x
Reading speed2 differ
CD read speedDiffers52x24x
DVD read speedDiffers16x8x
Access time2 differ
DVD drive average random access timeDiffers100 ms190 ms
CD-ROM drive average random access timeDiffers900 ms190 ms
Record modesidentical
Disc-at-once (DAO)Known for oneUnknown — not stated by the sourceYes
Multi sessionKnown for oneUnknown — not stated by the sourceYes
Session-at-once (SAO)Known for oneUnknown — not stated by the sourceYes
Track-at-once (TAO)Known for oneUnknown — not stated by the sourceYes
Weight & dimensions1 differ
WeightDiffers700 g160 g
Other features1 differ
Dimensions (WxDxH)Differs146 x 165 x 41.3 mm12.7 x 128 x 129 mm
Compatible operating systemsKnown for oneWindows 95, 98, 2K, ME, NT 4.0, XP, Vista, 2003 server, Linux Slackware Ver 3.10, Solaris Ver 2.4+.Unknown — not stated by the source

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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