1GB DDR3-1333 Non-ECC SO-DIMM
1GB Module - DDR3 SO-DIMM - Non-ECC - Unbuffered - 1066MT/s - PC3-8500 - 7ns CAS Latency - 1.5V
2GB DDR3-1333 ECC UDIMM
2GB Module - DDR3 - ECC - Unbuffered - 1333MT/s - PC3-10600 - 9ns CAS Latency - 1.5V - Hynix C-Die DRAM Modules