Product comparison · 2 optical disc drives

HP A2U56AA optical disc drive DVD±RW Black vs LG GH22 optical disc drive Internal DVD±RW

19specifications compared
14differ
5identical
26known for one product only

Key differences

Internal
- A2U56AA optical disc drive DVD±RW Black:No
- GH22 optical disc drive Internal DVD±RW:Yes
Interface
- A2U56AA optical disc drive DVD±RW Black:USB 2.0
- GH22 optical disc drive Internal DVD±RW:EIDE/ATA
Drive device, buffer size
- A2U56AA optical disc drive DVD±RW Black:1 MB
- GH22 optical disc drive Internal DVD±RW:2 MB
CD write speed
- A2U56AA optical disc drive DVD±RW Black:24x
- GH22 optical disc drive Internal DVD±RW:48x
CD rewrite speed
- A2U56AA optical disc drive DVD±RW Black:4x
- GH22 optical disc drive Internal DVD±RW:32x
DVD+R Double Layer write speed
- A2U56AA optical disc drive DVD±RW Black:6x
- GH22 optical disc drive Internal DVD±RW:16x
DVD+R write speed
- A2U56AA optical disc drive DVD±RW Black:8x
- GH22 optical disc drive Internal DVD±RW:22x
DVD-R Double Layer write speed
- A2U56AA optical disc drive DVD±RW Black:6x
- GH22 optical disc drive Internal DVD±RW:12x

Side by side

Differences highlightedShow differences only

Comparison of A2U56AA, GH22
45 specifications	A HP A2U56AA optical disc drive DVD±RW Black Model A2U56AA View product	B LG GH22 optical disc drive Internal DVD±RW Model GH22 View product
Design1 differ
InternalDiffers	No	Yes
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
MountingKnown for one	Unknown — not stated by the source	Vertical/Horizontal
Product colourKnown for one	Black	Unknown — not stated by the source
Performance2 differ
Optical drive type	DVD±RW	DVD±RW
InterfaceDiffers	USB 2.0	EIDE/ATA
LightScribe	No	No
Drive device, buffer sizeDiffers	1 MB	2 MB
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	22.16 MB/s
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Optical disc diameterKnown for one	120 mm	Unknown — not stated by the source
Compatible productsKnown for one	HP Mini 110, 210, 311; HP Pavilion tm2, dm1, dm3, dv4, dv5, dv6, dv7, dv3000, dv3500; Compaq Mini 311; HP Envy 13,15	Unknown — not stated by the source
Writing speed6 differ
CD write speedDiffers	24x	48x
CD rewrite speedDiffers	4x	32x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R Double Layer write speedDiffers	6x	16x
DVD+R write speedDiffers	8x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	6x	12x
DVD-R write speedDiffers	8x	22x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed2 differ
CD read speedDiffers	24x	48x
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	40x
DVD+R read speedDiffers	8x	16x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	12x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	12x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	120 ms
Weight & dimensions1 differ
WeightDiffers	365 g	800 g
HeightKnown for one	18 mm	Unknown — not stated by the source
Packaging contentidentical
Manual	Yes	Yes
Other features2 differ
Dimensions (WxDxH)Differs	146 x 152 x 18 mm	146 x 165 x 41.3 mm
Compatible operating systemsDiffers	Windows 7 Windows Vista Windows XP Windows 2000	Windows 7 Windows Vista Windows XP Windows 2003 Server Windows 2008 Server
Number of optical discs	1 discs	1 discs
Media types supportedKnown for one	DVD-R/RW+DL, CD	Unknown — not stated by the source
Size (imperial)Known for one	13.3 cm (5.25")	Unknown — not stated by the source

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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