Good bits, highly recommended !  A 10g ramdisk did wonder for my transcoding, since it was i/o bound from Raid 5, under Win7 x64.

http://memory.dataram.com/products-and-services/software/ramdisk “From DataRam”

• Speed up Internet page load times
• Control what files and programs are stored into memory (loaded at boot time)
• Create temporary disks for added security
• Speed up disk-to-disk activities such as video encryption and audio ripping
• Accelerate databases
• Reduce compile times

RAMDisk features:

• Freeware version (up to 4 GB disk size). Please register with Dataram for larger disks (there is no charge).
• Universal version for WindowsXP/2000, Vista (32 and 64-bit) Home Basic, Home Premium, Business and Ultimate, Windows Server 2003 Standard, Web and Enterprise Edition
• Up to 32 GB disk in Vista and Windows 2003, 2008 Server (registered mode)
• Save and load features allow RAMDisk to appear as persistent storage even through reboots
• Supports Windows 7

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