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Western Digital Announces 'Breakthrough' In Disk-Drive Storage

12 Octobre 2017

MAMR is one of two energy-assisted technologies that Western Digital has been developing for years.

Western Digital on Wednesday said it is investing in technology that will take spinning hard disk drives to 40 TBs and beyond in capacity as a way to meet big data and other large-capacity application needs going forward. Western Digital's innovative MAMR technology is expected to offer over 4 terabits-per-square-inch over time.

Unveiled by Western Digital's Mike Cordano during a presentation with MAMR inventor Jimmy Zhu, the technology is designed as a replacement for the heat-assisted magnetic recording (HAMR) system rival Seagate first demonstrated back in 2012.

At the heart of the company's innovation breakthrough is the "spin torque oscillator", which is used to generate a microwave field that increases the ability to record data at ultra-high density without sacrificing reliability. With sustained improvements in recording density, MAMR promises to enable hard drives with 40TB of capacity and beyond by 2025, and continued expansion beyond that timeframe.

"If we look at MAMR and talk about what are the attirbutes and benfits to a data center manager".

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Brendan Collins, vice president of hard drive product marketing for Western Digital, said that the demand for hard drives would continue to grow because flash storage costs about 15-times spinning drives on a cost-per-gigabyte basis.

"Western Digital's demonstration of MAMR technology is a significant breakthrough for the hard disk drive industry", said John Rydning, research vice president, Hard Disk Drives, IDC.

The first MAMR hard-disk drives will be running in data centres by 2020, according to WD, but will quickly find their way into an array of different products, including consumer products, according to IDC. More information on WD's MAMR technology is available from the official website. It builds upon a number of other leading innovations from the company. The company's head manufacturing operations are the only internal supplier to utilize Damascene processing to manufacture heads with the precise tolerances and complex structures required for reliable and cost-effective recording at ultra-high densities.

Western Digital's main focus going forward will be on MAMR technology, Collins said.

Western Digital's owns more than 7,000 issued patents in HDD technology-including ongoing helium-enabled HDD advancements-as highlighted by the recent introduction of the world's first host-managed, shingled magnetic recording (SMR) enterprise-class 14TB hard drive and a long history of world's firsts in multi-disk design.