Blurring the line between memory and physical disk, comes the i-RAM.
Gigabyte's i-RAM storage device - The Tech Report - Page 1: "i-RAM revealed
The i-RAM's greatest asset is easily its simplicity. Just populate the card with memory, plug it into an available PCI slot, attach a Serial ATA cable to your motherboard, and you've got yourself a solid-state hard drive. There's no need for drivers, extra software, or even Windows�the i-RAM is detected by a motherboard BIOS as a standard hard drive, so it should work with any operating system. In fact, because the i-RAM behaves like a standard hard drive, you can even combine multiple i-RAMs together in RAID arrays. "