The DTM64458-S is a low voltage, Unbuffered 1Gx72 memory module, which conforms to JEDEC's DDR3L, PC3L-12800 standard. The assembly is Dual-Rank containing: eighteen Samsung 512Mx8 DDR3L-1600 SDRAMs. One 2K-bit EEPROM is used for Serial Presence Detect.A thermal sensor accurately monitors the DIMM module and can prevent exceeding the maximum operating temperature of 95C.Both output driver strength and input termination impedance are programmable