Hynix HMT451S6AFR8A-PB 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm 1.35V Low Voltage Single Rank Memory Module PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm Component test and cleanup 1.35V Low Voltage Single Rank Memory Module