Cisco ASA5505-MEM-512 | 512MB DDR-400MHz PC3200 Non-ECC Unbuffered UDIMM CL3 1Rx8 2.5V 184-Pin Memory Module
Dell TTWN3 | 16GB DDR3-1600MHz PC3-12800 Non-ECC Unbuffered UDIMM CL11 2Rx8 1.35V 240-Pin Memory Module
HP D8228-63020 | 32MB 100MHz PC100 Non-ECC Unbuffered Udimm CL2 3.3V 168-Pin Memory