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Product comparison · 2 optical disc drives

NEC 16x DVD-ROM SATA vs NEC AD-7201S optical disc drive Internal White

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  • 8specifications compared
  • 5differ
  • 3identical
  • 26known for one product only

Key differences

  • Drive device, buffer size
    • 0.2 MB
    • 2 MB
  • DVD drive average random access time
    • 125 ms
    • 160 ms
  • CD-ROM drive average random access time
    • 100 ms
    • 140 ms
  • Weight
    • 640 g
    • 690 g
  • Dimensions (WxDxH)
    • 148 x 170 x 42 mm
    • 148 x 42 x 170 mm

Side by side

Differences highlightedShow differences only
34 specifications
A

NEC

16x DVD-ROM SATAView product
B

NEC

AD-7201S optical disc drive Internal White

Model AD-7201S

View product
Designidentical
InternalYesYes
Product colourKnown for oneWhite
Disc loading typeKnown for oneTray
Performance1 differ
InterfaceSerial ATASerial ATA
LightScribeKnown for oneYes
Drive device, buffer sizeDiffers0.2 MB2 MB
Burst transfer rateKnown for one150 MB/s
Plug and PlayKnown for oneYes
Writing speedidentical
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R Double Layer write speedKnown for one8x
DVD+R write speedKnown for one20x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one12x
DVD-R write speedKnown for one20x
DVD-RAM write speedKnown for one12x
DVD-RW write speedKnown for one6x
Reading speedidentical
CD read speed48x48x
DVD-ROM read speedKnown for one16x
DVD read speedKnown for one16x
Access time2 differ
DVD drive average random access timeDiffers125 ms160 ms
CD-ROM drive average random access timeDiffers100 ms140 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Fixed packetKnown for oneYes
Multi sessionKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Variable packetKnown for oneYes
Weight & dimensions1 differ
WeightDiffers640 g690 g
HeightKnown for one42 mm
Other features1 differ
Dimensions (WxDxH)Differs148 x 170 x 42 mm148 x 42 x 170 mm
Drive device, transfer rateKnown for one150 MB/s

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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