Monthly Archives: September 2012

Some great analysis on SSD wear leveling and power consumption

Some great analysis by Cullen Logan at Amazon.com appeared on LinkedIn over the weekend in response to my post “Are Enterprise SSDs a “bad” idea? Four tips and counter-tips for your consideration”: “To put some raw data out there, consider … Continue reading

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The Economist covers PCM – must be something real

I was surprised to see an article about phase-change memory (PCM) appear early this month in the well-respected British magazine The Economist. “Altered states” provides a good, basic introduction to PCM.

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Add OCZ to the growing list of SSD vendors differentiating their drives with a proprietary controller

SSD vendor OCZ has been showing its new top-of-the-line Vector 2.5-inch SSD at this week’s Intel Developers Forum in San Francisco. During a conference call with analysts, OCZ CEO Ryan Peterson reportedly discussed the controller in the new SSD. It’s … Continue reading

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IDT announces DDR4 register chip for DDR4 registered DIMMs and 3D die stacks

IDT has announced a small but essential component for the development of advanced DDR4 DIMMs: the 4RCD0124 DDR4 register. A device of this type is required for building DDR4 DIMMs to provide registered buffering. In addition, the 4RCD0124 DDR4 register … Continue reading

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Western Digital sampling 5mm, 2.5-inch, 500Gbyte hybrid HDD with NAND Flash

Western Digital just started shipping 7mm, 2.5-inch HDDs earlier this year and has now announced that it is sampling a 5mm, 2.5-inch, 500Gbyte hybrid HDD with integrated NAND Flash caching. The drive will be showcased during Western Digital’s Investor Day … Continue reading

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Will the Apple iPhone 5 use PCM?

An investment site called Seeking Alpha has published a bit of strange forensic research that leads it to claim that the Apple iPhone 5 that will be announced tomorrow employs phase-change memory (PCM). What clue led to this conclusion? It … Continue reading

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IBM gets patent for hi-temp PCM (phase-change memory) cell structure

Tom’s Hardware is reporting that IBM recently obtained a patent on specially formulated phase-change memory (PCM) that will operate above 150°C. This is a significant achievement because PCM has a problem with ambient thermal annealing. If the chip temperature goes … Continue reading

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