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Product comparison · 2 optical disc drives

Acer DVD reader combo CD/RW slimline vs NEC AD-7170S Silver

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  • 5specifications compared
  • 4differ
  • 1identical
  • 30known for one product only

Key differences

  • Interface
    • IDE/ATA
    • Serial ATA
  • CD write speed
    • 24x
    • 48x
  • CD rewrite speed
    • 24x
    • 32x
  • CD read speed
    • 24x
    • 48x

Side by side

Differences highlightedShow differences only
35 specifications
A

Acer

DVD reader combo CD/RW slimlineView product
B

NEC

AD-7170S SilverView product
Designidentical
InternalYesYes
Product colourKnown for oneSilver
Disc loading typeKnown for oneTray
MountingKnown for oneVertical/Horizontal
Performance1 differ
Optical drive typeKnown for oneDVD-RW
InterfaceDiffersIDE/ATASerial ATA
Drive device, buffer sizeKnown for one2 MB
Writing speed2 differ
CD write speedDiffers24x48x
CD rewrite speedDiffers24x32x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R write speedKnown for one18x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one8x
DVD-R write speedKnown for one18x
DVD-RAM write speedKnown for one12x
DVD-RW write speedKnown for one6x
Reading speed1 differ
CD read speedDiffers24x48x
DVD read speedKnown for one16x
DVD-ROM read speedKnown for one16x
Access timeidentical
DVD drive average random access timeKnown for one160 ms
CD-ROM drive average random access timeKnown for one140 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 & dimensionsidentical
WeightKnown for one705 g
Other featuresidentical
Media types supportedKnown for oneDVD-ROM, DVD-R (DL approx march 2005), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R & CD-RW 80mm & 120mm
Write methodsKnown for oneDAO, SAO,TAO zero gap,variable / fixed packet, multisession
Dimensions (WxDxH)Known for one148 x 175 x 42 mm
Number of optical discsKnown for one1 discs
Double Layer DVD write speedKnown for one8x
Size (imperial)Known for one13.3 cm (5.25")

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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