MSI's 1 GB version of the GeForce GTX 460 Cyclone uses 1024 MB of fast GDDR5 memory and clock speeds of 728 MHz to make it the fastest GTX 460 variant out there today. With a price of $239, it is only $10 more expensive than the reference design.

MSI GeForce GTX 460 Cyclone OC 1 GB @ techPowerUp