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Product comparison · 2 optical disc drives

LG GSA-H66N Black Bulk vs NEC AD-7633 black

Add a product
  • 17specifications compared
  • 12differ
  • 5identical
  • 13known for one product only

Key differences

  • Interface
    • Serial ATA
    • EIDE/ATA
  • CD write speed
    • 48x
    • 24x
  • CD rewrite speed
    • 40x
    • 16x
  • DVD+R write speed
    • 18x
    • 8x
  • DVD-R Double Layer write speed
    • 10x
    • 4x
  • DVD-R write speed
    • 18x
    • 8x
  • DVD-RAM write speed
    • 12x
    • 5x
  • CD read speed
    • 48x
    • 24x

Side by side

Differences highlightedShow differences only
30 specifications
A

LG

GSA-H66N Black BulkView product
B

NEC

AD-7633 blackView product
Designidentical
Disc loading typeKnown for oneTray
Performance1 differ
InterfaceDiffersSerial ATAEIDE/ATA
Writing speed6 differ
CD write speedDiffers48x24x
CD rewrite speedDiffers40x16x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one40x
DVD+R write speedDiffers18x8x
DVD-R Double Layer write speedDiffers10x4x
DVD-R write speedDiffers18x8x
DVD-RAM write speedDiffers12x5x
DVD+R Double Layer write speedKnown for one4x
Reading speed1 differ
CD read speedDiffers48x24x
CD-ROM read speedKnown for one48x
DVD-RAM read speedKnown for one12x
DVD-ROM read speedKnown for one16x
DVD read speedKnown for one8x
Access time2 differ
DVD drive average random access timeDiffers145 ms190 ms
CD-ROM drive average random access timeDiffers125 ms190 ms
Weight & dimensions1 differ
WeightDiffers750 g160 g
Other features1 differ
Dimensions (WxDxH)Differs146 x 41.3 x 165 mm12.7 x 128 x 129 mm
Number of optical discsKnown for one1 discs
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Multi sessionKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes

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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