How about a battery free RAMdrive? The Viking ArxCis-NV writes to flash if it loses power

Subject: General Tech | October 20, 2011 - 08:35 AM |
Tagged: Viking, ramdisk, DRAM to SLC, flash, super cap

Move over Fusion-io and RAMdisks with battery back up, Viking Technology has a surprise in store for you.  Their DDR3 ArxCis-NV works as a standard DIMM in your machine, making installation and compatibility a snap.  The difference is the super capacitor, available in a variety of sizes, which provides power long enough for the entire contents of the DIMM to be dumped to SLC flash for non-volatile storage in the case of a power outage or expected shut down.  Once power is restored the contents of the SLC flash is dumped back to the DIMM and once again your storage media is back to running at DDR3 speeds.  The slowest part of your storage will be the flash drive!  If that sounds like something you'd like to know more about head to The Register.

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"Viking Technology is a division of Sanmina-SCI, and its DDR3 ArxCis-NV is a DIMM that comes in 2, 4 and 8GB capacity points and operates at DRAM speed. It integrates into industry-standard x86 motherboards and functions in the host environment as a JEDEC standard DDR3 registered DIMM. If there is a power failure, or a host driven command, the ArxCis-NV will save all data in the DRAM to SLC (single-level cell) flash; upon power being restored, the data is written back to the DRAM ready for the system to access immediately following boot-up, provided there's sufficient operating system-level support for such a restore."

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Source: The Register
October 20, 2011 | 07:45 PM - Posted by Ninjin (not verified)

I feel obligated to point out that a company called Netlist (and perhaps others) has made a very similar product for a while now (RAM with a capacitor-powered backup to flash memory on power loss).

It's a cool idea, and it's always nice to see more applications for SUPERcaps!

October 21, 2011 | 09:50 AM - Posted by Jeremy Hellstrom

I'm familiar with the battery powered ones, but I haven't run into Netlist before

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