OCZ OCZ2G10664GK 4gb kit (2gb x 2) pc2-8500 1066mhz 5-6-6-18 240-pin ddr2 dimm w/reaper hpc heatsink
KINGSTON value ram kvr800d2n6/1g 1gb (1024mb) pc26400 800mhz cl6 240-pin ddr2 dimm
OCZ OCZ2N800SR2GK 2GB KIT (1GB x 2) PC2-6400 800MHZ 4-4-4-15 nVIDIA sli certified 240-pin ddr2 dimm w/heat spreader ($25 Mail-In Manufacturer Rebate Available from 11/17/08 till 11/30/08)
Generic 1gb (1024mb) pc3200 400mhz non-ecc 184-pin ddr dimm