Product comparison · 2 optical disc drives

HP AR629AA optical disc drive Internal DVD±R/RW Black vs NEC AD-7220S optical disc drive Internal Black

8specifications compared
5differ
3identical
39known for one product only

Key differences

CD read speed
- AR629AA optical disc drive Internal DVD±R/RW Black:42x
- AD-7220S optical disc drive Internal Black:48x
DVD drive average random access time
- AR629AA optical disc drive Internal DVD±R/RW Black:145 ms
- AD-7220S optical disc drive Internal Black:160 ms
CD-ROM drive average random access time
- AR629AA optical disc drive Internal DVD±R/RW Black:125 ms
- AD-7220S optical disc drive Internal Black:140 ms
Weight
- AR629AA optical disc drive Internal DVD±R/RW Black:1.2 kg
- AD-7220S optical disc drive Internal Black:600 g
Dimensions (WxDxH)
- AR629AA optical disc drive Internal DVD±R/RW Black:150 x 44 x 203 mm
- AD-7220S optical disc drive Internal Black:148 x 170 x 42 mm

Side by side

Differences highlightedShow differences only

Comparison of AR629AA, AD-7220S
47 specifications	A HP AR629AA optical disc drive Internal DVD±R/RW Black Model AR629AA View product	B NEC AD-7220S optical disc drive Internal Black Model AD-7220S View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
MountingKnown for one	Unknown — not stated by the source	Vertical/Horizontal
Performanceidentical
Interface	Serial ATA	Serial ATA
LightScribeKnown for one	Unknown — not stated by the source	No
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Optical disc diameterKnown for one	Unknown — not stated by the source	120 mm
Burst transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Optical drive typeKnown for one	DVD±R/RW	Unknown — not stated by the source
Compatible productsKnown for one	- Compaq 500B Microtower PC - Compaq 505B Microtower PC - HP 500B Microtower PC - HP Compaq 6000 Pro Microtower PC - HP Compaq 6000 Pro Small Form Factor PC - HP Compaq 6005 Pro Microtower PC - HP Compaq 6005 Pro Small Form Factor PC - HP Compaq 8000 Elite Convertible Minitower PC - HP Compaq 8000 E	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	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 speedKnown for one	Unknown — not stated by the source	8x
DVD+R write speedKnown for one	Unknown — not stated by the source	22x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	8x
DVD-R write speedKnown for one	Unknown — not stated by the source	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 speed1 differ
CD read speedDiffers	42x	48x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
CD-R read speedKnown for one	42x	Unknown — not stated by the source
CD-RW read speedKnown for one	32x	Unknown — not stated by the source
DVD+R read speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD-R read speedKnown for one	8x	Unknown — not stated by the source
DVD-RW read speedKnown for one	8x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD+RW read speedKnown for one	8x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	145 ms	160 ms
CD-ROM drive average random access timeDiffers	125 ms	140 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Fixed packetKnown for one	Unknown — not stated by the source	Yes
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)Known for one	Unknown — not stated by the source	Yes
Track-at-once (TAO)Known for one	Unknown — not stated by the source	Yes
Variable packetKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	1.2 kg	600 g
Other features1 differ
Media types supportedKnown for one	Unknown — not stated by the source	DVDROM, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, CD-ROM (mode 1), CD-ROM/XA (mode 2, form 1/form 2), Photo CD, CD Extra, CD-TEXT, CD-I, VIDEO CD, DVD-Video, DVD-Audio, CD-DA, Enhance CD, UDF (fixed/variable Packet mode), DVD-Audio
Dimensions (WxDxH)Differs	150 x 44 x 203 mm	148 x 170 x 42 mm
Compatible operating systemsKnown for one	Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional Edition 32, Windows 7 Professional Edition 64, Windows 7 Ultimate Edition 32, Windows 7 Ultimate Edition 64, Windows Vista Business 64, Windows Vista Business 32, Windows Vista Home Basic 32, Windows 2000, Windows XP Professional o	Unknown — not stated by the source
Size (imperial)Known for one	15 cm (5.9")	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 50 °C	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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