Powerpoint slides from the InfoLunch discussion of RAMCloud on April 10, 2009.
Memcached benchmarks on Nehalem - Sun benchmarks memcached, running on the latest Nehalem processors over 10G links (they get > 350k ops per second, with ~ 62% network and 52% CPU utilization)
http://www.ddrdrive.com/ - an interesting block storage device implemented as 4 sticks of DDR (backed by flash) on a PCIe x1 board. 300000 IOPS (512 byte random reads and writes).