Sony has introduced the AD-7220S-ID - a dust-proof drive designed especially for India. Off late there have been reports suggesting that dust is the biggest enemy of optical drive performance. In order to overcome this limitation, Sony has introduced the AD-7220S-ID with 'dust-proof mechanism' running at 22x speed. The AD-7220S-ID implements 6 sponges on the inside of bottom cover, bezel and PWB. These sponges help absorb the dust resulting in 20% longer product life.
The AD-7220S-ID with ‘Dust proof technology’ offers maximum 22x DVD Read/Write, 48x CD Read/Write, Maximum 12x DVD-RAM Write speeds and is available in SATA format. It also features a vibration reduction system, efficient heat dissipation, buffer under run protection, optimized writing quality by automatically adjusting the writing strategy, and automatic adjustment of CD-DA/VCD/DVD data extraction for smooth reading.
Yoshiaki Katsube, General Manager for Computer Peripherals Marketing Division at Applications & Devices Marketing (Singapore) reiterated, “Based on feedback from our Sony Authorised Partners (SAP), dust is the main limiting factor in India and we worked closely with our design department to have a product specially for India that helps resolve this issue. The hard work of our designers and production team has resulted in this India- specific model. I am pleased to announce that this special dust-proof DVD-RW is now available for sale in India”.
It is compatible with DVD-ROM, 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 and 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.
Other technical specifications include Buffer memory capacity of 2 MB, Access Time of DVD is 160ms, CD is 140ms and a weight of 600g.
The AD-7220S-ID is available through Rashi Peripherals at an estimated retail price of Rs. 1300 and comes with a 1 year warranty.
I have just bought this Writer for Rs. 1250 in Mumbai. 
