KINGSTON hyper x KHX5300S2LLK2/2G 2gb kit (1gb x 2) match pair pc25300 667mhz cl4 4-4-4-12 ddr2 so-dimm

PATRIOT PVS24G6400LLK 4gb kit (2gb x 2) viper pc2-6400 800mhz 4-4-4-12 240-pin ddr2 dimm w/heat spreader ($25 Mail-In Manufacturer Rebate Available from 12/1/08 till 12/31/08)

CRUCIAL CT3KIT25664BA1339 6gb kit (2gb x 3) match pair pc10600 1333mhz cl9 240-pin ddr3 dimm

OCZ OCZ3G13332GK 2gb kit (1gb x 2) 1333mhz 9-9-9-26 240-pin ddr3 dimm w/heat spreader ($30 Mail-In Manufacturer Rebate Available from 12/1/08 till 12/16/08)