All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 optical disc drives

NEC ND-7550 DVD-RW Black Slim vs NEC ND4570 16x DVD writer

Add a product
  • 16specifications compared
  • 11differ
  • 5identical
  • 28known for one product only

Key differences

  • CD write speed
    • 24x
    • 48x
  • CD rewrite speed
    • 20x
    • 32x
  • CD read speed
    • 24x
    • 48x
  • DVD read speed
    • 8x
    • 16x
  • Weight
    • 190 g
    • 720 g
  • Dimensions (WxDxH)
    • 128 x 12.7 x 129 mm
    • 148 x 175 x 42 mm
  • DVD+R speed
    • 8x
    • 16x
  • DVD-R speed
    • 8x
    • 16x

Side by side

Differences highlightedShow differences only
44 specifications
A

NEC

ND-7550 DVD-RW Black SlimView product
B

NEC

ND4570 16x DVD writerView product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
Disc loading typeKnown for oneTray
Performanceidentical
Optical drive typeDVD-RWDVD-RW
Drive device, buffer sizeKnown for one2 MB
Writing speed2 differ
CD write speedDiffers24x48x
CD rewrite speedDiffers20x32x
CD-R write speedKnown for one24x
CD-RW write speedKnown for one20x
DVD+R write speedKnown for one8x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one4x
DVD-R write speedKnown for one8x
DVD-RAM write speedKnown for one5x
DVD-RW write speedKnown for one6x
DVD write speedKnown for one8x
DVD rewrite speedKnown for one8x
Reading speed2 differ
CD read speedDiffers24x48x
CD-R read speedKnown for one24x
CD-RW read speedKnown for one20x
DVD+R read speedKnown for one8x
DVD-R Double Layer read speedKnown for one4x
DVD-R read speedKnown for one8x
DVD-RAM read speedKnown for one5x
DVD-RW read speedKnown for one6x
DVD+RW read speedKnown for one8x
DVD read speedDiffers8x16x
Access timeidentical
Access timeKnown for one130 ms
Weight & dimensions1 differ
WeightDiffers190 g720 g
Other features6 differ
Media types supportedDiffersDVD-ROM,DVD-R,DVD+R, DVD+RW,CD-ROM, CD-R, CD-RWDVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+R9, DVD+RW, DVD-Video, CD-ROM, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I Ready, CD-Bridge, Photo-CD, VideoCD, Hybrid CD
Minimum system requirementsKnown for one-MPC Level 3 -MultiRead -PC2001
Write methodsDiffersDAO, SAO,TAO + zero gap, variable / fixed packet, multisessionDAO, SAO, TAO & zero gap, variable / fixed packet, multisession
Dimensions (WxDxH)Differs128 x 12.7 x 129 mm148 x 175 x 42 mm
Number of optical discs1 discs1 discs
DVD+R speedDiffers8x16x
DVD+RW speed8x8x
DVD-R speedDiffers8x16x
DVD-RW speed6x6x
Double Layer DVD write speedDiffers4x8x
Drive devices burst data transfer rate (PIO)Known for oneMode 4
Drive devices burst data transfer rate (Ultra DMA)Known for one33
Technical featuresKnown for one-12 cm / 8 cm CD & DVD -buffer underrun prevention
Compatible operating systemsKnown for oneWindows 98SE, 2000, Me, XP, 2003 server
I/O portsKnown for oneDigital out, line out

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.

More optical disc drive comparisons

All optical disc drive comparisons