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Product comparison · 2 optical disc drives

NEC DVD RW drive AD-7241S vs NEC DVD RW drive AD7240S

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  • 34specifications compared
  • 4differ
  • 30identical
  • 12known for one product only

Key differences

  • DVD drive average random access time
    • 140 ms
    • 160 ms
  • CD-ROM drive average random access time
    • 160 ms
    • 140 ms
  • Dimensions (WxDxH)
    • 142 x 42 x 170 mm
    • 148 x 42 x 170 mm

Side by side

Differences highlightedShow differences only
46 specifications
A

NEC

DVD RW drive AD-7241SView product
B

NEC

DVD RW drive AD7240SView product
Designidentical
InternalYesYes
Product colourBlackBlack
Disc loading typeTrayTray
MountingHorizontalHorizontal
Performanceidentical
InterfaceSerial ATASerial ATA
Drive device, buffer size2 MB2 MB
Optical disc diameter120 mm120 mm
Burst transfer rateKnown for one150 MB/s
LightScribeKnown for oneYes
Writing speedidentical
CD write speed48x48x
CD rewrite speed32x32x
CD-R write speed48x48x
CD-RW write speed32x32x
DVD+R Double Layer write speed12x12x
DVD+R write speed24x24x
DVD+RW write speed8x8x
DVD-R Double Layer write speed12x12x
DVD-R write speed24x24x
DVD-R9 write speed12x12x
DVD-RAM write speed12x12x
DVD-RW write speed6x6x
Reading speedidentical
CD read speed48x48x
DVD+R read speed16x16x
DVD-R Double Layer read speedKnown for one12x
DVD-R read speed16x16x
Access time2 differ
DVD drive average random access timeDiffers140 ms160 ms
CD-ROM drive average random access timeDiffers160 ms140 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Fixed packetKnown for oneYes
Multi sessionYesYes
Packet writingKnown for oneYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Variable packetKnown for oneYes
Weight & dimensionsidentical
Weight640 g640 g
Packaging contentidentical
Warranty cardYesYes
Other features2 differ
Media types supportedDVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RWDVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs142 x 42 x 170 mm148 x 42 x 170 mm
Compatible operating systemsDiffersWindows Vista Home Basic, Home Premium, Ultimate, Business Windows XP Home/Professional MultiRead, PC2001Microsoft Vista
Language versionMultilingualMultilingual
Additional accessoriesKnown for oneYes
Technical featuresKnown for oneMultiRead, PC2001
Minimum RAMKnown for one256 MB
Minimum processorKnown for onePentium III 1.0GHz
Minimum storage drive spaceKnown for one1 GB
Maximum data transfer rateKnown for one150 Mbit/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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