Denali Memory Report:
The Denali Memory Report is produced by Cadence Design Systems, Inc. It delivers memory market news, discussions of market trends, products and product strategies of the memory vendors, plus information about alliances and industry consortia.
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Recent Posts
- Some great analysis on SSD wear leveling and power consumption
- The Economist covers PCM – must be something real
- Add OCZ to the growing list of SSD vendors differentiating their drives with a proprietary controller
- IDT announces DDR4 register chip for DDR4 registered DIMMs and 3D die stacks
- Western Digital sampling 5mm, 2.5-inch, 500Gbyte hybrid HDD with NAND Flash
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Tag Archives: Multi-level cell
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
Posted in NAND, SSD
Tagged ECC, Flash memory, Flash memory controller, Multi-level cell, Solid-state drive, Wear leveling
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Tweaktown review of 1.6Tbyte SMART Storage Optimus SSD reveals a few secrets. Wanna see them?
Tweaktown.com attended last week’s Flash Memory Summit and has published some great photos of the internals of the 2.5-inch SMART Storage 1.6Tbyte Optimus SSD. The drive has dual SAS ports with accompanying specs of 1Gbps sequential read and 500MGbps sequential … Continue reading
Posted in Flash, MLC, NAND, SAS, SSD, Storage
Tagged Flash, Flash memory, Flash memory controller, Multi-level cell, NAND Flash, Skyera, SMART Storage, Solid-state drive, SSD
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Want to know Rado Danilak’s and Skyera’s plan for total enterprise-class SSD world domination?
This week, I reported on a new high-end, high-performance 44Tbyte SSD for data centers and server farms from Skyera. (See “44Tbyte Skyera Skyhawk SSD employs Everspin MRAM as write cache” and “How Skyera developed the 44Tbyte, enterprise-class Skyhawk SSD from … Continue reading
Posted in Flash, HDD, MLC, NAND, SSD, Storage
Tagged Flash memory, Flash memory controller, Multi-level cell, NAND Flash, SandForce, Skyera, Solid-state drive, SSD
1 Comment
Flash memory endurance, multi-level cells, and process technology
I’ve been following an interesting discussion about Flash memory endurance, multi-level cells, and process technology in the LinkedIn Solid State Storage Group. Yesterday, The Memory Guy Jim Handy stepped in with this comment: “Flash endurance is the result of disruptions … Continue reading
Posted in Flash, NAND
Tagged Error detection and correction, Flash, Flash memory, LinkedIn, MLC, Multi-level cell
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Are Enterprise SSDs a “bad” idea? Four tips and counter-tips for your consideration.
I ran across a commentary on the Kaminerio Web site, “Is SSD Really a Bad Idea? BE CAREFUL WHOSE ADVICE YOU TAKE” by Eyal Markovich, which is a reaction to a blog posting by Phil Goodwin on the SearchSolidStateStorage.com Web … Continue reading
Posted in SSD, Storage
Tagged Flash memory, IOPS, MLC, Multi-level cell, Solid-state drive, SSD
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BIWIN America introduces 12x20mm e-MMC SSDs with on-chip controller, power-on boot, explicit sleep mode
BIWIN America has just announced a “single-chip” SSD device employing the e-MMC interface. The device is available in capacities from 2 to 64Gbytes, all packed into a 169-ball BGA package measuring 12x20x1mm. An integral SSD controller provides built-in BCH error … Continue reading
Posted in eMMC, Flash, NAND, SSD
Tagged e-MMC, Flash memory, Multi-level cell, NAND Flash, Solid-state drive, SSD, Wear leveling
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Low-cost Intel 330 series SSDs sport SandForce SF-2281 SSD Controller
According to this extremely informative article on the Anandtech.com site, Intel’s just-released 330 series SSDs push Intel into the low-cost SSD zone using the SandForce SF-2281 SSD controller. Apparently, Intel’s 520 SSD series also employs this controller, but the use … Continue reading
Posted in Flash, NAND, SSD, Storage
Tagged AnandTech, Flash memory, Flash memory controller, Intel, Multi-level cell, NAND Flash, SandForce, Solid-state drive
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Interview with Whiptail’s CTO James Candelaria demonstrates how SSD controllers can greatly improve NAND Flash endurance by managing write amplification
As NAND Flash geometries continue to shrink, device endurance specs have suffered, which is a significant challenge when using these devices in SSDs. This interview with Whiptail’s CTO James Candelaria discusses how his company’s approach to buffering writes in SSD … Continue reading
Posted in Flash, NAND, SSD
Tagged Flash, Flash memory controller, Multi-level cell, NAND Flash, RAID, Solid-state drive, SSD, Whiptail, Write Amplification
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SMART Storage Systems’ Optimus Ultra SSD taps consumer-grade NAND Flash memory with magic wand named Guardian to make enterprise-class SSD
A lead from Computerworld put me onto the announcement by SMART Storage Systems of a new enterprise-class Optimus Ultra SSD based on consumer-grade MLC (multi-level cell) NAND Flash devices. Using consumer-grade silicon to make this drive cuts the OEM cost … Continue reading
Posted in Flash, NAND, SSD
Tagged DIF, ECC, Flash, Flash memory, MLC NAND Flash, Multi-level cell, NAND Flash
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Flash Memory Summit 2012: Call for presentations
Planning is now underway for the Flash Memory Summit 2012, which will be held in Santa Clara, CA in August. There’s no better show devoted exclusively to NAND Flash semiconductor memory and applications of NAND Flash—particularly SSDs. The organizers have … Continue reading
Posted in Flash, NAND, SSD
Tagged Flash memory, Flash memory controller, Multi-level cell, NAND Flash, Semiconductor memory, Solid-state drive, SSD
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Hitachi Global Storage unleashes 2.5-inch, 100 to 400Gbyte enterprise SSDs with Intel 25nm SLC NAND Flash
This week, Hitachi GST (Global Storage Technology) announced a new line of 2.5-inch, 100 to 400Gbyte enterprise SSDs, called the Ultrastar SSD400S.B, based on Intel 25nm SLC (single level cell) NAND Flash devices. The endurance specs of the Flash devices … Continue reading
Posted in Flash, SSD
Tagged Hitachi Global Storage Technologies, Hitachi GST, Intel, IOPS, Multi-level cell, Solid-state drive
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Can MLC NAND Flash work in enterprise SSDs? Yes, with the right storage algorithms says Seagate
MLC (multi-level cell) NAND Flash memories provide 2x or 3x the storage for slightly more than the cost of SLC (single-level cell) NAND Flash memories. Consequently, there’s a big economic case to be made for MLC NAND Flash devices in … Continue reading
Posted in eMMC, Flash, NAND, SLC, SSD
Tagged Flash memory, Flash memory controller, MLC, MLC NAND Flash, Multi-level cell, Solid-state drive, SSD
1 Comment