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... and when you replace the hard drive with a "SATA2 DDR2 HyperDrive5", the swap memory bottleneck practically disappears. http://www.hyperossystems.co.uk/

"unless you have a battery backup for the DRAM"

You say that like it is not a given....

It's not a given... not to mention that such batteries don't last a long time (i.e. only hours or a day or two - not a week). The HyperDrive RAM Drive requires a DC adapter to keep the DRAM running and uses it's battery only in case of powerfailure to backup the DRAM to Compact Flash.

The performance would've been MUCH faster if they've invested into a RAMdrive. Come on, $16K and no RAMdrive? Lame.

you obviously haven't been paying attention

ACARD ANS-9010

HyperDrive 5

come with a battery and a built-in compact flash slot so even if power is lost, it can backup to compact flash card

REAL SQL performance improvement

you obviously haven't been paying attention

ACARD ANS-9010

HyperDrive 5

come with a battery and a built-in compact flash slot so even if power is lost, it can backup to compact flash card

REAL SQL performance improvement

Anyone who cares about the performance of the parts in their computers has been thinking of SSDs for some time now, and in a positive light.

Actually, anyone who cares about HD performance is looking at things such as http://www.hyperossystems.co.uk/ *grin*

A big bunch of ram for high speed and flash for permanent storage. Just use a super cap for a power backup and have it copy the ram to flash on power down.

They already have this device (although it uses a battery rather than a supercap) in the form of the HyperDrive 4 and the RamSan. Supercaps are pretty darn huge (and expensive) compared to batteries for the same amount of energy storage and since the drain is relatively stable during the backup operation, there's no reason to use one over a battery. Both of the devices are rediculously expensive though (between $250 to $2000 per GB).

You want speed..... You will have to pay but this will give you what you want TODAY!!

http://www.hyperossystems.co.uk/

Yes, and they are quite expensive. 32 GB will run you about $14k: HyperDrive 4

Something that should be mentioned when talking about these things is HyperDrive4

Or you could use the HyperOS HyperDrive, which is a DDR RAM based drive which claims "Seek time is 50-60 microseconds", that is right microseconds.

Granted, this is RAM based technology with the obvious pitfalls (this one has a external power source so as to not lose your data), but with upcoming flash based drives and other improvements, I wouldn't be surprised if these drives become more mainstream, especially with network transfer rates of 100Gb/s.

I only casually read about this kind of stuff, but this one seems to make the forum goers happy. Expensive as anything though.

http://www.hyperossystems.co.uk/07042003/products. htm#hyperosHDIIproduct